[nmglug] Upgrading a server version of Ubuntu.

[Tim Emerick]

I'm running about 13 machines in my garage.  They are running Ubuntu-Gutsy server version and BOINC.  One of the machines is mirroring the ubuntu site so that apt-get dist-upgrade is a pretty painless and fast process across the machines.

Ubuntu wiki states that to upgrade to a newer version (hardy for instance) you would run "update-manager -d".  I thought I would try it but it turns out update-manager is an X app and I'm not interested in installing X on any of these machines.

A command line alternative short of updating all of the /etc/apt/sources.list files on each machine?

Thanks

Tim

btw, I know that there is a command line to replace all occurances of "gutsy" with "hardy" in /etc/apt/sources.list but it escapes me.  Anybody???