Joined: Aug 13, 2004 Posts: 335 Location: Maysville, KY
Posted: Mon Jun 05, 2006 1:55 pm Post subject: Ubuntu / Debian distros and not starting gui on bootup
An MLUG member asked me a question regarding Debian installation and disabling a gui on startup, and for the first time I thought about it.
Most people familiar with Red Hat operating systems knows this is commonly called runlevel 3 but debian-like operating systems really only have 2 runlevels. Most people familar with red hat-like operating systems know you edit the /etc/inittab file and change the default runlevel from 5 to 3 and this takes care of it. However, the default runlevel in debian is only 2 and changing to 3, 4, or even 5 won't make a difference.
This is why:
By default Debian only uses 2 run levels. It's redhat and derived distributions that have created the trend of runlevel 3 being 'multiuser no gui' and runlevel 5 being 'multiuser gui'. Debian is not the only distro to behave this way. The official tool to use in debian to manipulate runlevel scripts is update-rc.d (like chkconfig in redhat and others).
The default runlevel in debian is 2, if you dont want X to start at startup disable gdm using update-rc.d i.e,
Code:
$ sudo update-rc.d -f gdm remove
for gdm based logins or
Code:
$ sudo update-rc.d -f kdm remove
for kdm based logins
To re-enable either of them, run the following commands:
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