<?xml version='1.0' encoding='UTF-8'?><?xml-stylesheet href="http://www.blogger.com/styles/atom.css" type="text/css"?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearchrss/1.0/' xmlns:georss='http://www.georss.org/georss' xmlns:gd='http://schemas.google.com/g/2005' xmlns:thr='http://purl.org/syndication/thread/1.0'><id>tag:blogger.com,1999:blog-6986137953372620180</id><updated>2011-11-28T01:15:38.839+01:00</updated><category term='Network'/><category term='Xen'/><category term='HA'/><category term='Appunti'/><category term='Backup'/><category term='VMware'/><category term='Linux'/><category term='Hardware'/><category term='Cisco'/><category term='Managing'/><category term='#Life'/><category term='Virtualization'/><category term='Windows'/><category term='Security'/><category term='NDMP'/><title type='text'>Andrea Dainese</title><subtitle type='html'>just my technical opinion</subtitle><link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/posts/default'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default?max-results=100'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/'/><link rel='hub' href='http://pubsubhubbub.appspot.com/'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><generator version='7.00' uri='http://www.blogger.com'>Blogger</generator><openSearch:totalResults>46</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>100</openSearch:itemsPerPage><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-2700797681523407646</id><published>2010-10-20T14:22:00.020+02:00</published><updated>2011-02-04T15:34:53.944+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Cisco'/><title type='text'>CCNP: laboratorio EIGRP</title><summary type='text'>Dopo aver conquistato la certificazione VCP, posso finalmente rimettermi a studiare (seriamente) per completare la certificazione CCNP. Partendo dall'esame 642-902 (ROUTE) e seguendo il libro di Wendell Odom, troviamo come primo argomento EIGRP. Dopo aver studiato, non c'è niente di meglio di un buon lab GNS3 per fissare i concetti. Vediamone quindi una soluzione ragionata.

L'autore ci consiglia</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/2700797681523407646/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=2700797681523407646' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2700797681523407646'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2700797681523407646'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2010/10/ccnp-laboratorio-eigrp.html' title='CCNP: laboratorio EIGRP'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_Fge521jufOk/TL_2VcDEqOI/AAAAAAAADkU/Ykr05Xl9KD0/s72-c/eigrplab.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-6612954037049691136</id><published>2010-09-13T15:09:00.003+02:00</published><updated>2010-09-15T10:04:05.257+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><title type='text'>NFS/iSCSI e Jumbo Frame su ESX/ESXi</title><summary type='text'>Finalmente VMware supporta i Jumbo Frame (MTU 9000) sui server ESX/ESXi per quanto riguarda l'accesso agli storage NFS e iSCSI. Vediamo velocemente come configurare questa caratteristica, presupponendo che il resto (switch e storage) siano già correttamente configurati. Impostiamo per prima cosa le variabili d'ambiente necessarie: 
$ export VI_SERVER=vcenter.example.com
$ export VI_USERNAME=</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/6612954037049691136/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=6612954037049691136' title='1 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/6612954037049691136'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/6612954037049691136'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2010/09/nfsiscsi-e-jumbo-frame-su-esxesxi.html' title='NFS/iSCSI e Jumbo Frame su ESX/ESXi'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-6942310795716997531</id><published>2010-09-07T11:08:00.000+02:00</published><updated>2010-09-07T11:08:53.298+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><title type='text'>VMware Update Manager: Failed to retrieve data</title><summary type='text'>Altro problemino apparso successivamente all'aggiornamento alla versione 4.1 di vCenter: VMware Update Manager non mostra più i dati relativi agli host contenuti in un oggetto (Folder, Datacenter o Cluster) col l'errore Failed to retrieve data. Selezionando invece un unico host i dati vengono mostrati correttamente.

Nei log presenti in c:\Documents and Settings\All Users\Dati applicazioni\VMware</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/6942310795716997531/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=6942310795716997531' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/6942310795716997531'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/6942310795716997531'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2010/09/vmware-update-manager-failed-to.html' title='VMware Update Manager: Failed to retrieve data'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-4703034654470564089</id><published>2010-09-06T16:16:00.001+02:00</published><updated>2010-09-06T16:21:18.452+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><title type='text'>Problemi di licenze su VMware vSphere e host ESX 3.x</title><summary type='text'>Oggi mi son trovato a migrare VMware vCenter dalla versione 4.0 alla versione 4.1. Poiché la nuova versione è supportata solamente su sistemi operativi a 64 bit, mentre la vecchia installazione era su 32 bit, ho preferito partire con una nuova installazione. Dopo aver copiato il vecchio database sul nuovo host ho proceduto a installare tutta la suite vSphere senza però aggiornare/importare i vari</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/4703034654470564089/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=4703034654470564089' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/4703034654470564089'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/4703034654470564089'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2010/09/problemi-di-licenze-su-vmware-vsphere-e.html' title='Problemi di licenze su VMware vSphere e host ESX 3.x'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-2895692879860743532</id><published>2010-04-13T11:58:00.000+02:00</published><updated>2010-04-13T11:58:55.631+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><title type='text'>Creare email con allegati da bash</title><summary type='text'> Oggi mi trovo a dover effettuare uno script per creare email con un allegato su un sistema Linux. Ecco un piccolo script che può dare un'idea di come procedere:
#!/bin/bash

EMAIL_OK="dainese@example.com"
BODY_OK="From: Webmaster \nTo: undiscloded@example.com\nSubject: File richiesti\n\nIn allegato i file richiesti."

EMAIL_ERR="dainese@example.com"
BODY_ERR="From: Webmaster \nTo: undiscloded@</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/2895692879860743532/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=2895692879860743532' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2895692879860743532'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2895692879860743532'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2010/04/creare-email-con-allegati-da-bash.html' title='Creare email con allegati da bash'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-2584138224321807838</id><published>2010-04-13T11:48:00.000+02:00</published><updated>2010-04-13T11:48:45.231+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><title type='text'>Streaming di database</title><summary type='text'>Mi trovo nella condizione di dover trasferire un database Oracle tra due sedi remote abbastanza distanti. Due sono le opzioni possibili:
La prima opzione prevede di esportare il DB, trasferirlo su cassetta, trasportare fisicamente la cassetta nella nuova sede, recuperare il database da cassetta e procedere con l'importazione. Data la dimensione del database, e il trasferimento fisico della </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/2584138224321807838/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=2584138224321807838' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2584138224321807838'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2584138224321807838'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2010/04/streaming-di-database.html' title='Streaming di database'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-5939091919724232919</id><published>2010-04-13T11:38:00.000+02:00</published><updated>2010-04-13T11:38:37.973+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><title type='text'>V2V ovvero P2V da Xen a VMware ESX/ESXi (Linux)</title><summary type='text'>Passare da una tecnologia di virtualizzazione ad un'altra potrebbe non essere così semplice. L'attività di conversione di macchine virtuali (V2V) da Xen a VMware o viceversa potrebbe richiedere strategie particolari e diversi mal di testa. Nel documento vediamo come convertire una macchina da Xen a VMware ESX nel modo più semplice possibile. 

Dal sistema Xen convertiamo l'immagine raw nel </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/5939091919724232919/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=5939091919724232919' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/5939091919724232919'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/5939091919724232919'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2010/04/v2v-ovvero-p2v-da-xen-vmware-esxesxi.html' title='V2V ovvero P2V da Xen a VMware ESX/ESXi (Linux)'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-8477094239187567236</id><published>2010-04-13T11:13:00.001+02:00</published><updated>2010-10-28T16:15:32.177+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Virtualization'/><title type='text'>Tecnologie di Virtualizzazione</title><summary type='text'>Possiamo suddividere in quattro categorie le principali modalità di virtualizzazione:
Full Virtualization
 Hardware Assisted Virtualization (emulazione assistita)
 ParaVirtualization (OS Assisted Virtualization)
 Containers (virtualizzazione a livello di sistema operativo)
Full Virtualization: VMWare, Xen, KVM, qemu, Hercules
Full Virtualization, detta anche virtualizzazione completa, permette </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/8477094239187567236/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=8477094239187567236' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/8477094239187567236'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/8477094239187567236'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2009/09/tecnologie-di-virtualizzazione-tipi-e.html' title='Tecnologie di Virtualizzazione'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-7355060010275488954</id><published>2010-04-12T11:29:00.000+02:00</published><updated>2010-04-13T11:44:36.677+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><title type='text'>P2V di Red Hat su VMWare</title><summary type='text'>Abbiamo già visto diverse soluzioni (1,2) per virtualizzare sistemi operativi su Xen o VMware. In questo documento riassumo alcune accortezze specifiche per Red Hat Linux.

Generalmente un sistema virtualizzato Red Hat Linux con kernel 2.6 usa come un controller per i dischi SCSI LSI Logic; i moduli da caricare sono i seguenti:

# /etc/modprobe.conf
alias scsi_hostadapter mptbase
alias </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/7355060010275488954/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=7355060010275488954' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/7355060010275488954'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/7355060010275488954'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2010/04/p2v-di-red-hat-su-vmware.html' title='P2V di Red Hat su VMWare'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-1406945315674748213</id><published>2010-03-05T14:57:00.011+01:00</published><updated>2010-10-28T16:39:17.004+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Network'/><category scheme='http://www.blogger.com/atom/ns#' term='Cisco'/><title type='text'>Soluzione dell'esame Demo TSHOOT</title><summary type='text'>L'uscita del nuovo esame TSHOOT ha causato un po' di incertezza nelle persone che come me stanno percorrendo il percorso per ottenere la certificazione CCNP. Oggi ho trovato una demo ufficiale Cisco dell'esame TSHOOT e, piuttosto incuriosito da questa modalità, ho deciso di cimentarmici. Non nego che il primo tentativo è miseramente fallito, principalmente perché la fretta mi aveva fatto </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/1406945315674748213/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=1406945315674748213' title='2 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/1406945315674748213'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/1406945315674748213'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2010/03/soluzione-dellesame-demo-tshoot.html' title='Soluzione dell&apos;esame Demo TSHOOT'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-7562586313829928692</id><published>2009-12-03T15:43:00.001+01:00</published><updated>2009-12-03T15:43:59.805+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><title type='text'>Network Address Translations su Cisco (NAT)</title><summary type='text'>Nel collegamento di due reti differenti, private o non, può presentarsi il problema di overlapping di indirizzi. In altre parole due entità (aziende) differenti utilizzano lo stesso indirizzamento, impedendo così la possibilità di poter comunicare in modo trasparente. Occorre quindi rendere trasparente la rete del cliente alla rete interna e viceversa.





Si vuole in particolare che:
</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/7562586313829928692/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=7562586313829928692' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/7562586313829928692'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/7562586313829928692'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2009/12/network-address-translations-su-cisco.html' title='Network Address Translations su Cisco (NAT)'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_Fge521jufOk/SxfBIlE5zzI/AAAAAAAADhg/MyI3LcMEyDA/s72-c/nat.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-8323344424749171431</id><published>2009-11-16T14:53:00.000+01:00</published><updated>2009-11-16T14:53:40.297+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><title type='text'>Timeout nell'apertura della console su VMware ESX</title><summary type='text'>Ogni tanto accade che alcuni host ESX 3.0 impediscano l'accesso alle console dei vari guest installati restituendo uno strano messaggio di errore: 

Error connecting: Cannot connect to host vmware.example.com: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond
Do you</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/8323344424749171431/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=8323344424749171431' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/8323344424749171431'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/8323344424749171431'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2009/11/timeout-nellapertura-della-console-su.html' title='Timeout nell&apos;apertura della console su VMware ESX'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-4876477950953782603</id><published>2009-11-15T17:24:00.000+01:00</published><updated>2009-11-15T17:24:22.875+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><title type='text'>Display VFD Xaser Media LAB sotto CentOS</title><summary type='text'>Anni fa ho acquistato un display VFD (Vacuum Fluorescent Display) con telecomando e ricevitore infrarosso denominato Xaser Media LAB della Thermaltake. Vediamo come farlo funzionare sotto CentOS.

Abbiamo bisogno di una versione recente di LIRC, Linux Infrared Control, e di LCDproc. Il primo software contiene il driver per il display iMON della SoundGraph e il relativo ricevitore a infrarossi, il</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/4876477950953782603/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=4876477950953782603' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/4876477950953782603'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/4876477950953782603'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2009/11/display-vfd-xaser-media-lab-sotto.html' title='Display VFD Xaser Media LAB sotto CentOS'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_Fge521jufOk/SwAdHkg6nqI/AAAAAAAADg4/50gvSPrxLmc/s72-c/thermaltake-xaser-media-lab-a2331-p_472626vb.png' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-1600253459535886056</id><published>2009-10-13T17:26:00.004+02:00</published><updated>2009-10-13T17:45:46.814+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><title type='text'>Aggiungere un modulo ad initrd su RedHat/CentOS</title><summary type='text'>Sebbene l'immagine initrd di default contenga tutti i driver necessari al sistema, a volte può succedere di dover personalizzare l'immagine initrd, includendo in esso alcuni moduli particolari. Vediamo la miglior procedura per fare questo in sistemi Red Hat o derivati.

Creiamo se non esiste il file /etc/sysconfig/mkinitrd/include e al suo interno inseriamo la seguente riga:
MODULES="e1000 </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/1600253459535886056/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=1600253459535886056' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/1600253459535886056'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/1600253459535886056'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2009/10/aggiungere-un-modulo-ad-initrd-su.html' title='Aggiungere un modulo ad initrd su RedHat/CentOS'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-2865405653626114848</id><published>2009-10-12T10:17:00.009+02:00</published><updated>2010-03-05T15:23:14.874+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Managing'/><title type='text'>Installazione automatizzata via PXE e Kickstart</title><summary type='text'>Contenuti
Introduzione
Kickstart
Boot via PXE
IntroduzioneAbbiamo visto come creare un repository locale contenente le distribuzioni Linux che utilizziamo in azienda. Quello di cui abbiamo bisogno ora è un sistema che ci permetta di ottenere una installazione Linux completa in modo quanto più automatico possibile. La strada più semplice da seguire nei sistemi Red Hat o CentOS è quella di </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/2865405653626114848/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=2865405653626114848' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2865405653626114848'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2865405653626114848'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2009/10/installazione-automatizzata-via-pxe-e.html' title='Installazione automatizzata via PXE e Kickstart'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_Fge521jufOk/StMDyJa9muI/AAAAAAAADgw/dmxAKAKLtE8/s72-c/pxemenu.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-2265715291606141585</id><published>2009-08-29T15:52:00.002+02:00</published><updated>2009-08-29T15:52:00.220+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><title type='text'>VMWare Tool sotto Debian</title><summary type='text'>Se su Red Hat è sufficiente installare l'rpm, per avere i VMWare Tools sotto Debian occorre compilare a mano il pacchetto. Vediamo come:selezioniamo l'opzione VM-&gt;Install/Upgrade VMWare Tools;installiamo i pacchetti necessari:aptitude install linux-headers-`uname -r` psmisc makemontiamo il CD virtuale mount /cdromdecomprimiamo il pacchetto e procediamo all'installazione:tar xzf /cdrom/VMwareTools</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/2265715291606141585/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=2265715291606141585' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2265715291606141585'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2265715291606141585'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2009/08/vmware-tool-sotto-debian.html' title='VMWare Tool sotto Debian'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-8257479912850202689</id><published>2009-08-28T15:41:00.005+02:00</published><updated>2010-04-13T11:28:25.779+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><title type='text'>P2V (Xen)</title><summary type='text'>Virtualizzare una macchina Linux fisica sotto Xen potrebbe non essere semplice e immediato. Vediamo come fare in pochi semplici passi:
creare (ovviamente) la macchina virtuale Xen e avviarla in rescue mode come spiegato in precedenza;
partizionare i dischi (fdisk /dev/xvda) usando eventualmente LVM (se si usano i CD di Red Hat in rescue mode occorre anteporre "lvm" ad ogni comando: lvm pvcreate, </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/8257479912850202689/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=8257479912850202689' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/8257479912850202689'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/8257479912850202689'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2009/08/p2v-xen.html' title='P2V (Xen)'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-807538071977581795</id><published>2009-08-27T15:16:00.002+02:00</published><updated>2009-08-27T15:41:21.099+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><title type='text'>"rescue" di una macchina virtuale Xen (domu)</title><summary type='text'>Accedere ad una installazione Linux non più avviabile che sia installata su un server fisico non è un problema, basta inserire un qualsiasi CD di Red Hat e avviare usando la modalità rescue.Se questa necessità capita su una macchina virtuale Xen, non possiamo ovviamente inserire il CD di boot. Vediamo quindi come modificare il file di configurazione per avviare la macchina in modalità rescue:# /</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/807538071977581795/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=807538071977581795' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/807538071977581795'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/807538071977581795'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2009/08/rescue-di-una-macchina-virtuale-xen.html' title='&quot;rescue&quot; di una macchina virtuale Xen (domu)'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-1572188033977365416</id><published>2009-07-18T19:59:00.004+02:00</published><updated>2009-09-23T17:17:33.808+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='#Life'/><title type='text'>Cinque anni di karma</title><summary type='text'>Sono passati cinque anni, cinque anni da quando ho deciso di affrontare il mio destino karmico e guardarlo in faccia. Cinque anni passati a mandar giù cose che non mi piacevano, cinque anni di sacrifici, di weekend immolati alla conoscenza, cinque anni di pazienza, cinque anni di lavori vari diurni e notturni, cinque anni di Joga, meditazione, insonnia... ma dopo cinque anni finalmente posso dire</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/1572188033977365416/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=1572188033977365416' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/1572188033977365416'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/1572188033977365416'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2009/07/5-anni-di-karma.html' title='Cinque anni di karma'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-240092193892321287</id><published>2009-06-05T11:43:00.030+02:00</published><updated>2010-03-05T15:18:44.482+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Linux'/><category scheme='http://www.blogger.com/atom/ns#' term='Managing'/><title type='text'>Nagios, installazione e configurazione</title><summary type='text'>ContenutiIntroduzione
Installazione
Frontend
Configurazione
Addon: NRPE (Nagios Remote Plugin Executor)
Addon: NSCA (Nagios Service Check Acceptor)
Addon: NDOUtils (Nagios Data Output Utils)
Addon: Nagios NagVis
Risorse
IntroduzioneAll'interno di una qualsiasi infrastruttura informatica complessa, deve esistere un sistema centralizzato di controllo. Senza scomodare software complessi come </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/240092193892321287/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=240092193892321287' title='8 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/240092193892321287'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/240092193892321287'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2009/06/nagios-installazione-e-configurazione.html' title='Nagios, installazione e configurazione'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_Fge521jufOk/SjjOxmUxgmI/AAAAAAAADfg/3khJDfpTuQQ/s72-c/Nagios.jpg' height='72' width='72'/><thr:total>8</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-2284247454572003107</id><published>2009-06-01T10:00:00.025+02:00</published><updated>2009-06-04T19:28:18.956+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Security'/><category scheme='http://www.blogger.com/atom/ns#' term='Linux'/><category scheme='http://www.blogger.com/atom/ns#' term='Managing'/><title type='text'>Centralizzazione degli accessi con OpenLDAP (SLAPD)</title><summary type='text'>ContenutiIntroduzioneCreare e gestire i certificatiInstallazioneConfigurazione del database LDAPConfigurazione di un server di backup (replica del database)Ricerca manuale e test del server OpenLDAPAutenticazione su LDAPIntroduzioneCentralizzare le informazioni di account su un server LDAP è il primo passo per semplificare l'infrastruttura. Sebbene non sia propriamente un'attività semplice, alla </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/2284247454572003107/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=2284247454572003107' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2284247454572003107'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2284247454572003107'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2009/06/centralizzazione-degli-accessi-con.html' title='Centralizzazione degli accessi con OpenLDAP (SLAPD)'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-8666956548127724513</id><published>2008-03-11T16:07:00.005+01:00</published><updated>2009-11-24T13:40:40.588+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='VMware'/><category scheme='http://www.blogger.com/atom/ns#' term='Linux'/><category scheme='http://www.blogger.com/atom/ns#' term='Virtualization'/><title type='text'>Installazione di VMware Infrastructure (ESX)</title><summary type='text'>ContenutiIntroduzione
Installazione e patching
Configurazione
Virtual Infrastructure
Licensing
Backup

Data Protector
VMware Consolidated Backup

Opzioni avanzate
Problematiche


IntroduzioneAbbiamo visto come VMware distribuisca gratuitamente un sistema di virtualizzazione server che ci può essere di grande aiuto in ambienti di testing, ma anche di produzione che non siano troppo critici o </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/8666956548127724513/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=8666956548127724513' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/8666956548127724513'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/8666956548127724513'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2008/03/installazione-di-vmware-infrastructure.html' title='Installazione di VMware Infrastructure (ESX)'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_Fge521jufOk/SjiwAgdHd_I/AAAAAAAADd4/vV2cepbqOZ8/s72-c/install_esx.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-6349655760773742590</id><published>2008-03-04T20:52:00.004+01:00</published><updated>2009-06-04T17:56:19.680+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='#Life'/><title type='text'>Il cambiamento</title><summary type='text'>Ogni tanto mi chiedo dove stiamo andando. Al di la dei media che continuano con sadismo a riportare avvenimenti più o meno tristi con (raramente) più o (spesso) meno accuratezza, e al di la del morboso desiderio delle persone che vanno proprio in cerca di tali notizie, ogni giorno mi trovo davanti fatti, accadimenti che mi urtano. Urtano la mia personalità, la urtano a tal punto da scatenarmi una</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/6349655760773742590/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=6349655760773742590' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/6349655760773742590'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/6349655760773742590'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2008/03/il-cambiamento.html' title='Il cambiamento'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-1671578435077232299</id><published>2008-02-14T16:17:00.007+01:00</published><updated>2010-07-27T15:48:46.551+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Security'/><category scheme='http://www.blogger.com/atom/ns#' term='Linux'/><title type='text'>Public Key Infrastructure: impariamo a lavorare con le chiavi asimmetriche</title><summary type='text'>ContenutiPremessa
Introduzione
Chiave privata
Chiave pubblica

Login automatizzato (SSH)
Certificato
Fingerprinting
Certification Authority (CA)
Digest (firma e verfica di un messaggio)
Cifratura simmetrica
Cifratura asimmetrica e firma digitale (S/MIME)

Import di certificati su router Cisco

PremessaPrima di cominciare, una piccola premessa: l'argomento è stato trattato solo in modo </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/1671578435077232299/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=1671578435077232299' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/1671578435077232299'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/1671578435077232299'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2008/02/public-key-infrastructure-impariamo.html' title='Public Key Infrastructure: impariamo a lavorare con le chiavi asimmetriche'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_Fge521jufOk/Sji01YTcnXI/AAAAAAAADe4/9RJy1LpupcE/s72-c/puttygen.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-5999913854732132467</id><published>2008-02-06T08:39:00.004+01:00</published><updated>2010-03-05T15:22:06.187+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Linux'/><category scheme='http://www.blogger.com/atom/ns#' term='HA'/><title type='text'>Ridondiamo la rete (bonding) su Red Hat</title><summary type='text'>Contenuti

Introduzione
Configurazione
Diagnostica

Introduzione

Per configurare un server in alta affidabilità, occorre minimizzare l'impatto di un qualsiasi guasto. Al di la di come è costruito il server, cosa che ovviamente non possiamo in alcun modo modificare, possiamo assicurarci che ogni canale che permette la comunicazione del server verso l'esterno sia ridondato. Ridondare un </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/5999913854732132467/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=5999913854732132467' title='1 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/5999913854732132467'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/5999913854732132467'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2008/02/ridondiamo-la-rete-bonding-su-red-hat.html' title='Ridondiamo la rete (bonding) su Red Hat'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_Fge521jufOk/SigBW4Uh01I/AAAAAAAADdI/3UBYU46KjA4/s72-c/Etherchannel.jpg' height='72' width='72'/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-9205422715965102908</id><published>2008-01-15T17:18:00.004+01:00</published><updated>2009-06-17T10:34:28.935+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='VMware'/><category scheme='http://www.blogger.com/atom/ns#' term='Windows'/><category scheme='http://www.blogger.com/atom/ns#' term='Virtualization'/><title type='text'>Installazione di VMware Server</title><summary type='text'>ContenutiIntroduzioneInstallazioneEsecuzioneOpzioni avanzateIntroduzioneAbbiamo visto che la virtualizzazione può esserci di grande aiuto per sperimentare nuovi sistemi operativi senza distruggere il nostro ambiente di lavoro. VMware ci offre una diversa possibilità per gestire le macchine virtuali, e lo fa mediante la versione Server della sua suite.La versione server comprende le funzionalità </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/9205422715965102908/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=9205422715965102908' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/9205422715965102908'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/9205422715965102908'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2008/01/installazione-di-vmware-server.html' title='Installazione di VMware Server'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_Fge521jufOk/SjiqDX-mBWI/AAAAAAAADdg/WqSoONEPboY/s72-c/vmware_server_console.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-3984327052941008451</id><published>2008-01-10T17:19:00.001+01:00</published><updated>2009-06-04T19:55:09.243+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='VMware'/><category scheme='http://www.blogger.com/atom/ns#' term='Windows'/><category scheme='http://www.blogger.com/atom/ns#' term='Virtualization'/><title type='text'>Installazione di VMware Player</title><summary type='text'>ContenutiIntroduzioneEsecuzioneOpzioni avanzateIntroduzioneVMware Player è un software gratuito che permette di avere una computer virtuale 'dentro' al nostro PC. L'immediato vantaggio che consegue dall'utilizzo di questo software è quello di avere una macchina dove fare tutte le prove che vogliamo senza 'sporcare' il nostro PC. Possiamo quindi imparare a installare e ottimizzare Windows, Linux, </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/3984327052941008451/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=3984327052941008451' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/3984327052941008451'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/3984327052941008451'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2008/01/installazione-di-vmware-player.html' title='Installazione di VMware Player'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_Fge521jufOk/SigJkRE6suI/AAAAAAAADdY/wPFANuAuw4I/s72-c/vmware_player.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-4089987563049370997</id><published>2007-12-12T11:55:00.016+01:00</published><updated>2010-03-05T15:21:19.474+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Linux'/><category scheme='http://www.blogger.com/atom/ns#' term='Managing'/><title type='text'>cfengine: come centralizzare i file di configurazione</title><summary type='text'>Contenuti
Introduzione
Installazione e prima configurazione
Configurazione avanzata
Automazione
Monitoring e reporting
IntroduzioneLa gestione di un largo numero di server richiede una gestione più flessibile delle varie configurazioni; l'ideale sarebbe di averle centralizzate tutte in un unico punto ed effettuare un semplice push sui vari server in caso di necessità.
Installazione e prima </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/4089987563049370997/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=4089987563049370997' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/4089987563049370997'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/4089987563049370997'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/12/cfengine-come-centralizzare-i-file-di.html' title='cfengine: come centralizzare i file di configurazione'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-801155026496041371</id><published>2007-11-06T15:59:00.002+01:00</published><updated>2009-06-04T18:55:09.484+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Security'/><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><category scheme='http://www.blogger.com/atom/ns#' term='Linux'/><category scheme='http://www.blogger.com/atom/ns#' term='Windows'/><title type='text'>Conversione di un certificato da Windows 2000 (IIS) a Linux (Apache)</title><summary type='text'>Dal sistema Windows, mediante l'utility "Internet Services Manager", visualizzare le prorietà del sito web interessato, quindi proseguire con "Directory Security" -&gt; "View Certificate" -&gt; "Details" -&gt; "Copy to File" -&gt; "Next" -&gt; "Yes, export the private key" -&gt; "Next" -&gt; "Personal Information Exchange - PKCS #12 (.PFX)" abilitanto solo l'opzione "Include all certificates in the certification path</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/801155026496041371/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=801155026496041371' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/801155026496041371'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/801155026496041371'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/11/conversione-di-un-certificato-da.html' title='Conversione di un certificato da Windows 2000 (IIS) a Linux (Apache)'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-8713610644515544845</id><published>2007-09-28T16:22:00.001+02:00</published><updated>2009-06-04T17:57:06.780+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='#Life'/><title type='text'>Birmania, un'altra chance</title><summary type='text'>L'umanità ha un'altra chance per risollevarsi dal baratro pieno di violenza in cui è finita; non sarà la prima ne l'ultima, ma è comunque un'altra possibilità. Alle persone che decidono di ribellarsi all'oppressione in maniera pacifica va tutta la mia solidarietà. Alle persone che guardano, me compreso, va la speranza che questo aiuti tutti a dire basta alla violenza, basta alle armi, basta alla </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/8713610644515544845/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=8713610644515544845' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/8713610644515544845'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/8713610644515544845'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/09/birmania-unaltra-chance.html' title='Birmania, un&apos;altra chance'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_Fge521jufOk/Rv0O4X8jlXI/AAAAAAAACP0/DUbbDOrTZPc/s72-c/MonkProtestSept26.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-7783367884046011664</id><published>2007-09-28T11:16:00.011+02:00</published><updated>2009-11-24T12:56:59.102+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Virtualization'/><category scheme='http://www.blogger.com/atom/ns#' term='Xen'/><title type='text'>Xen, configurazione e backup</title><summary type='text'>
Contenuti
Introduzione
Installazione
Configurazione della rete
La prima macchina virtuale
Backup delle macchine virtuali

IntroduzioneDopo aver installato una Red Hat 5 base, come da manuale, cominciamo a configurare Xen in modo da venire incontro alle nostre esigenze: la macchina di test è un Dell PE6950 con otto processori (quattro dual core), 32GB di memoria RAM, quattro interfacce di rete: </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/7783367884046011664/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=7783367884046011664' title='4 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/7783367884046011664'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/7783367884046011664'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/09/xen-configurazione-e-backup.html' title='Xen, configurazione e backup'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_Fge521jufOk/RvzDF38jlWI/AAAAAAAACPs/c1oECRMuv2M/s72-c/xen-network.png' height='72' width='72'/><thr:total>4</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-3600262650721641074</id><published>2007-09-14T11:26:00.014+02:00</published><updated>2009-11-19T11:14:35.256+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Linux'/><category scheme='http://www.blogger.com/atom/ns#' term='Managing'/><title type='text'>mrepo, un repository interno alternativo a Satellite di Red Hat</title><summary type='text'>ContenutiIntroduzione
Installazione
Configurazione
Configurazione di Apache
Configurazione dei client
Installazione automatizzata
IntroduzioneL'installazione e l'aggiornamento di numerosi sistemi Linux si semplifica (e velocizza) decisamente avendo un mirror interno dei vari repository. Red Hat propone Satellite, basato su Oracle; tale software è però closed source, e ogni client registrato </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/3600262650721641074/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=3600262650721641074' title='12 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/3600262650721641074'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/3600262650721641074'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/09/mrepo-un-repository-interno-alternativo.html' title='mrepo, un repository interno alternativo a Satellite di Red Hat'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>12</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-2893213422188173167</id><published>2007-09-04T22:08:00.001+02:00</published><updated>2009-06-04T18:52:59.769+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='#Life'/><title type='text'>Il mondo come organismo</title><summary type='text'>Diversi modi di pensare (chiamiamoli così) new age sostengono che ci sia una sorta di unione tra noi tutti, e in questa unione è compreso anche Dio. Al di là di cosa questo implicherebbe per alcune delle religioni attualmente più diffuse, mi piace riflettere su implicazioni leggermente spirituali. Se fossimo tutti uniti e facenti parte di un tutto, credo che un paragone tra il nostro organismo </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/2893213422188173167/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=2893213422188173167' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2893213422188173167'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2893213422188173167'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/09/il-mondo-come-organismo.html' title='Il mondo come organismo'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-622338261644599637</id><published>2007-08-26T16:54:00.001+02:00</published><updated>2009-06-04T18:56:50.308+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Hardware'/><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><category scheme='http://www.blogger.com/atom/ns#' term='Windows'/><title type='text'>Presario B1013 e Windows XP SP2</title><summary type='text'>Sono stato uno degli "sfortunati" acquirenti dei portatili modello Presario B1013, credo uno dei primi modelli post merge Compaq-HP.Poiché l'installazione (o reinstallazione) di questo portatile crea non pochi problemi, ecco due righe su come avere una installazione di Windows XP con Service Pack 2 pulita, senza dannarsi la vita. Tenete a disposizione i vari CD forniti con il portatile, e in </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/622338261644599637/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=622338261644599637' title='2 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/622338261644599637'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/622338261644599637'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/08/presario-b1013-e-windows-xp-sp2.html' title='Presario B1013 e Windows XP SP2'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>2</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-8291662409099819409</id><published>2007-06-25T10:55:00.009+02:00</published><updated>2010-10-28T16:50:25.088+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Hardware'/><category scheme='http://www.blogger.com/atom/ns#' term='NDMP'/><category scheme='http://www.blogger.com/atom/ns#' term='Backup'/><title type='text'>Backup di NetApp via NDMP</title><summary type='text'>NDMP, acronimo di Network Data Management Protocol, è un protocollo sviluppato inizialmente da NetApp e Legato (ora EMC) diventato in seguito uno standard, viene utilizzato per lo scambio di dati tra apparati filer o NAS (Network Attached Storage) e, generalmente, apparati di backup. Con l'avvento di storage di rete si è infatti posto il problema di come effettuare il backup di questi filesystem:</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/8291662409099819409/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=8291662409099819409' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/8291662409099819409'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/8291662409099819409'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/06/configurazione-ndmp-su-netapp.html' title='Backup di NetApp via NDMP'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_Fge521jufOk/Sif-TpayHsI/AAAAAAAADcQ/JES_TZDzJCI/s72-c/ndmp.gif' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-2543252145820434576</id><published>2007-06-25T10:54:00.002+02:00</published><updated>2009-06-04T19:41:00.002+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><category scheme='http://www.blogger.com/atom/ns#' term='Backup'/><title type='text'>Installazione libreria su CentOS</title><summary type='text'>Oggi devo occuparmi dell'installazione di un server che si occupi di gestire le quattro librerie in fibre channel per i backup, vediamo quindi di documentare il tutto.Una volta installato il sistema operativo, nel mio caso una CentOS 4.4, occorre occuparsi dello zoning, recuperiamo quindi i dati necessari:# fgrep adapter-node /proc/scsi/qla2xxx/*   /proc/scsi/qla2xxx/1:scsi-qla0-adapter-node=</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/2543252145820434576/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=2543252145820434576' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2543252145820434576'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2543252145820434576'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/06/installazione-libreria-su-centos.html' title='Installazione libreria su CentOS'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-4758430362557720940</id><published>2007-06-22T15:56:00.001+02:00</published><updated>2009-06-04T18:48:24.110+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='VMware'/><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><category scheme='http://www.blogger.com/atom/ns#' term='Virtualization'/><title type='text'>Errori di timeout su VMWare ESX server 3</title><summary type='text'>La situazione in esame rappresenta una macchina virtuale VM, situata sullo storage nominato STORAGE, che durante un reboot, il task che si occupa del reset dell'hardware virtualizzato è andato in timeout, ed ogni ulteriore tentativo fallisce invanocon l'errore "Operation Failed Since another task is in progress".Per ripristinare la situazione, senza dover riavviare l'intero server ESX, occorre </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/4758430362557720940/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=4758430362557720940' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/4758430362557720940'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/4758430362557720940'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/06/errori-di-timeout-su-vmware-esx-server.html' title='Errori di timeout su VMWare ESX server 3'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-596843855413584479</id><published>2007-06-22T15:52:00.002+02:00</published><updated>2009-11-24T12:07:53.679+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='VMware'/><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><category scheme='http://www.blogger.com/atom/ns#' term='Virtualization'/><category scheme='http://www.blogger.com/atom/ns#' term='Backup'/><title type='text'>Backup veloce su VMWare</title><summary type='text'>La facilità di creazione delle macchine virtuali porta spesso ad un aumento vertiginoso dei server. Dal punto di vista dei backup tradizionali questo comporta un noioso lavoro di gestione dei backup di ogni singola macchina. Nella situazione in cui mi trovo queste macchine sono per lo più 'da battaglia', quindi più che un backup puntuale di certi file, conviene pensare ad un backup integrale in </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/596843855413584479/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=596843855413584479' title='4 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/596843855413584479'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/596843855413584479'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/06/backup-veloce-su-vmware.html' title='Backup veloce su VMWare'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>4</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-2495756531610638221</id><published>2007-06-22T15:45:00.001+02:00</published><updated>2009-06-04T18:45:02.922+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Security'/><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><title type='text'>Autenticazione via HTTP (basic)</title><summary type='text'>Mi è capitato di dover analizzare una sessione HTTP attraverso un proxy che dava problemi nell'autenticazione, ecco due appunti su come funziona:# telnet webserver 80GET http://www.mycompany.org/ HTTP/1.0Authorization: Basic dXNlcm5hbWU6cGFzc3dvcmQ=Oppure, in caso di autenticazione sul proxy:# telnet webproxy 80GET http://www.google.it/ HTTP/1.0Authorization: Basic dXNlcm5hbWU6cGFzc3dvcmQ=Dove: "</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/2495756531610638221/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=2495756531610638221' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2495756531610638221'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2495756531610638221'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/06/autenticazione-via-http-basic.html' title='Autenticazione via HTTP (basic)'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-6382750232003599039</id><published>2007-06-22T15:43:00.002+02:00</published><updated>2009-06-04T18:45:23.125+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Security'/><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><category scheme='http://www.blogger.com/atom/ns#' term='Linux'/><title type='text'>Analisi di una sessione HTTPS</title><summary type='text'>Una sessione HTTPS non è altro che una sessione HTTP protetta da SSL; per analizzare tale sessione occorre quindi utilizzare una tecnica MIM (Man-in-the-Middle), mettendosi quindi in una posizione privilegiata tra il client e il webserver.Un po' di teoria (molto semplificata):Il client invia al server un messaggio di tipo "ClientHello"Il server risponde con un messaggio di tipo "ServerHello"Il </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/6382750232003599039/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=6382750232003599039' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/6382750232003599039'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/6382750232003599039'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/06/analisi-di-una-sessione-https.html' title='Analisi di una sessione HTTPS'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-8617187554513302886</id><published>2007-06-22T15:38:00.003+02:00</published><updated>2009-06-04T18:45:58.934+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Security'/><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><category scheme='http://www.blogger.com/atom/ns#' term='Linux'/><title type='text'>Telnet via tunnel SSL</title><summary type='text'>A volte capita di dover fare un po' di debug sui server web e non sempre posso accontentarmi di una sessione HTTP in chiaro (porta 80); sorge quindi la necessità di avere un client telnet che possa parlare in HTTPS (porta 443): l'ideale sarebbe quindi di creare un tunnel SSL su cui farci passare una connessione telnet. Ci viene in aiuto l'utility stunnel, la cui configurazione avviene tramite </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/8617187554513302886/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=8617187554513302886' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/8617187554513302886'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/8617187554513302886'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/06/telnet-via-tunnel-ssl.html' title='Telnet via tunnel SSL'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-2139989893979299215</id><published>2007-06-22T15:31:00.003+02:00</published><updated>2009-06-04T18:39:36.646+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='#Life'/><title type='text'>Ne sono responsabile</title><summary type='text'>Non sto facendo politica, non sto facendo polemica, non sto chiamando in causa nessuno. Ma credo che se ognuno di noi cercasse di essere se stesso, sempre, senza nascondersi nel gruppo, forse, dico forse si potrebbe cambiare qualcosa, non il mondo, ma almeno quella piccola parte che ci circonda. E di piccola parte in piccola parte...In questo senso ne sono responsabile e lo siamo tutti. Cerchiamo</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/2139989893979299215/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=2139989893979299215' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2139989893979299215'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/2139989893979299215'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/06/ne-sono-responsabile_22.html' title='Ne sono responsabile'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_Fge521jufOk/RnvPjvcADmI/AAAAAAAACF0/94ySE6TtOP8/s72-c/iran.png' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-5635061176062788008</id><published>2007-06-22T15:15:00.002+02:00</published><updated>2009-06-04T18:38:01.447+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='#Life'/><title type='text'>Un nuovo modo di vedere il web</title><summary type='text'>La rete ormai è talmente pervasiva da aver modificato radicalmente il modo di vivere delle persone che ne hanno accesso (abbastanza) libero. La possibilità di comunicare con persone situate in qualsiasi parte del mondo, di informarsi su prodotti, fatti, novità da persone che ne sono state dirette testimoni supera di gran lunga qualsiasi rivista, quotidiano, pubblicità...Molti punti di riferimento</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/5635061176062788008/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=5635061176062788008' title='1 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/5635061176062788008'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/5635061176062788008'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/06/un-nuovo-modo-di-vedere-il-web.html' title='Un nuovo modo di vedere il web'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-7446362143027449509</id><published>2007-06-22T15:12:00.001+02:00</published><updated>2009-06-04T18:35:02.739+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Hardware'/><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><title type='text'>Boot da Floppy USB su Epia</title><summary type='text'>Mi è capitato recentemente di dover avviare una scheda madre EPIA da Floppy USB, e nonostante tutti i disperati tentativi fatti, al boot continuava a non riconoscere il lettore Floppy, tanto da farmi pensare che fosse guasto.Scollegando l'alimentazione, collegando il lettore Floppy, e solo alla fine alimentando il tutto, dovrebbe funzionare.Da: LosingTime</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/7446362143027449509/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=7446362143027449509' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/7446362143027449509'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/7446362143027449509'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/06/boot-da-floppy-usb-su-epia.html' title='Boot da Floppy USB su Epia'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-7390056589037901107</id><published>2007-06-22T15:06:00.009+02:00</published><updated>2010-10-28T16:42:45.408+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Hardware'/><category scheme='http://www.blogger.com/atom/ns#' term='NDMP'/><category scheme='http://www.blogger.com/atom/ns#' term='Backup'/><title type='text'>Backup di Celerra via NDMP</title><summary type='text'>NDMP, acronimo di Network Data Management Protocol, è un protocollo sviluppato inizialmente da NetApp e Legato (ora EMC) diventato in seguito uno standard, viene utilizzato per lo scambio di dati tra apparati filer o NAS (Network Attached Storage) e, generalmente, apparati di backup. Con l'avvento di storage di rete si è infatti posto il problema di come effettuare il backup di questi filesystem:</summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/7390056589037901107/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=7390056589037901107' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/7390056589037901107'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/7390056589037901107'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/06/configurazione-ndmp-su-celerra.html' title='Backup di Celerra via NDMP'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_Fge521jufOk/Sif1bxMJS9I/AAAAAAAADbg/50X0LbXKLIQ/s72-c/ndmp.gif' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6986137953372620180.post-4985221317463817492</id><published>2007-06-22T15:03:00.001+02:00</published><updated>2009-06-04T17:58:53.125+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Hardware'/><category scheme='http://www.blogger.com/atom/ns#' term='Appunti'/><category scheme='http://www.blogger.com/atom/ns#' term='Linux'/><title type='text'>Linux non riconosce le schede di rete su HP Proliant DL585</title><summary type='text'>Se vi capita di installare Linux (nel mio caso Red Hat Enterprise 4) su un HP Proliant DL585, e volete utilizzare le schede di rete integrate (Broadcom Corporation NetXtreme II BCM5706 Gigabit Ethernet), vi accorgerete che ad un normale boot il kernel non riconosce l'hardware.Provate quindi ad avviare Linux inserendo al boot:pci=nommconfOppure modificate direttamente grub, inserendo l'opzione in </summary><link rel='replies' type='application/atom+xml' href='http://the1979s.blogspot.com/feeds/4985221317463817492/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=6986137953372620180&amp;postID=4985221317463817492' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/4985221317463817492'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6986137953372620180/posts/default/4985221317463817492'/><link rel='alternate' type='text/html' href='http://the1979s.blogspot.com/2007/06/linux-non-riconosce-le-schede-di-rete.html' title='Linux non riconosce le schede di rete su HP Proliant DL585'/><author><name>nemesis</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry></feed>
