Ubuntu – How does one exit the X server

gdmlightdmxorg

The command sudo service gdm stop would successfully disable the X server in Ubuntu 11.04 temporarily.

However, this same command no longer works in Ubuntu 11.10, because "gdm" is an "unrecognized service" according to Terminal. How, then, do I disable the X server in Ubuntu 11.10?

Best Answer

GDM was switched out for LightDM, so:

sudo stop lightdm

Or in your service parlance:

sudo service lightdm stop

For future reference, all these upstart services (that can be run with initctl's service command and shortcuts) are .conf files in /etc/init/

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Ubuntu – Ubuntu doesn’t automatically starts in graphical mode after upgrade to 11.10

I had the same behaviour with my Lenovo Ideapad Y560p running 11.10. First install went fine but after restarting it didn't boot the GUI.

The issue was to do with the graphics driver. In the kern.log file I found the message "failed to load module "fglrx"". Which is the ATI Catalyst driver for linux.

So I did a "sudo apt-get install fglrx" . It installed the driver and now it boots up every time.

Ubuntu – How to disable GDM from being automatically started

In recent versions of Ubuntu, gdm has been replaced with lightdm - this is why you don't have a gdm.conf. To set lightdm to be started manually, create an 'override' file for its init configuration:

echo 'manual' | sudo dd of=/etc/init/lightdm.override

(this just creates a file, called /etc/init/lightdm.override, containing a single line that says manual)

This way, lightdm will only be started when you invoke:

sudo service lightdm start

and to stop it:

sudo service lightdm stop

Best Answer

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