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{ Category Archives } Xen

I Killed the Mail Server Today

It all started so simply: I was going to set up a little Xen instance to be my next cluster submit host, and needed a spare address for it: I started setting up an instance for ch208i.cae.tntech.edu, since it was no longer on the Xen host like it was several months ago. Crap, the reason […]

Time Synchronization

Time synchronization makes lots of things work better, including: make Kerberos tar syslog We’ve got a central NTP server on campus, and I’m using that to sync from. Puppet handles ntp and ntpdate configuration on the managed systems. Components of that setup: ntp.pp and ntpdate.pp classes imported from puppet/classes Virtualization-detecting facter recipe (originally from here, […]