Virtualization (LXC Containers)
As of Fall 2009, we use Linux containers to maintain a few virtual machines, most notably caffeine, which is hosted on glomag. The various commands to manipulate Linux containers are prefixed with "lxc-"; see their individual manpages for usage. To start caffeine, run the following command as root on glomag:
lxc-start -d -n caffeine
Containers are stored on the host filesystem in /var/lib/lxc (root filesystems are symlinked to the appropriate directory on /vm). mspang originally set this up, so he probably knows more about it than anyone else.
vserver $NAME build -m debootstrap --hostname magic --interface $IFACE:$IP/24 -- -d lenny
To have a vserver autostart, create a file called /etc/vservers/$VSERVER/apps/init/mark with content: