I'm not sure if this is the right way to do it from xterm, but it seems that it starts loading canola, I get the glimpse of a green canola screen that immediately disappears and gives me this error:

~ $ sudo gainroot
Root shell enabled


BusyBox v1.6.1 (2008-05-22 10:32:35 EEST) Built-in shell (ash)
Enter 'help' for a list of built-in commands.

/home/user # canola
process 4484: D-Bus library appears to be incorrectly set up; failed to read machine uuid: Failed to open "/var/lib/dbus/machine-id": No such file or directory
See the manual page for dbus-uuidgen to correct this issue.
D-Bus not built with -rdynamic so unable to print a backtrace
Aborted
/home/user #