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Migrazione Manuale di una DomU

Bisogna spostare la macchina virtuale DomU dal server Xen_Source al server Xen_Dest.

opz. Tenere aggiornato il backup della macchina DomU e la sua configurazione su Xen_Backup.

nota: Questa e' una procedura di concetto, va' adattata a quella che e' la reale situazione della domu.

• Pre-sincronizzazione …

How to open a blocked site from the blacklists

• Login into the Squidguard server.
• su - proxy (better avoiding root account)
• cd /var/lib/squidguard/site_perm/
• edit domains file and add the domain to be opened.
• edit domains.diff file and add the domain to be opened with a + at the …

Bisogna installare CLVM e modificare l'/etc/lvm/lvm.conf per attivare il locking del cluster.

locking_library = "liblvm2clusterlock.so"
locking_type = 2
library_dir = "/lib/lvm2"

/etc/cluster/cluster.conf

<?xml version="1.0"?>
<cluster name="cluster1" config_version="4">
  <cman two_node="1" expected_votes="1"/>
  <clusternodes>
  <clusternode name="nfs2" votes="1">
  <fence>
  <method …

Since under Xen debian etch the is no rpm-strap for fedora > 4 I proceed in this way.

Note:This is only a brief explanation, not an Howto nor a step-by-step guide.

I've installed fedora 8 somewhere with less stuff as possible, manually editing packages and remove any package you can …

The problem start playing with rails is that most tutorial out there are based on rails 1.2.6 and doesn't work in rails 2 which is now the standard in debian lenny.

First install ruby and rubygem from debian packages.

Then install rails 1.2.6 in a local …