Ubuntu – How to kill the x-server

gdmlightdmxserver

Every time I try to kill the x-server,

sudo service lightdm stop

so that I can install the latest Nvidia drivers, I get an error message.

stop: Unknown instance:

What am I doing wrong?

Best Answer

Use ctrl+alt+F1 to switch to terminal,
login
run sudo service lightdm stop, lightdm and xserver should be stopped now (check with ctrl+alt+F7, which is your current xorg session, it should not show any desktop now)
do your things
run sudo service lightdm start to start lightdm and xorg again.

Good Luck!

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Ubuntu – How to stop the login server

Strictly speaking the natty method was

sudo service gdm stop

For oneiric lightdm has replaced gdm - therefore to stop you would use

sudo service lightdm stop

Ubuntu – How to enable X at boot time so that the system boots not in text mode

I was able to restore the default Ubuntu 16.10 settings after applying the commands from this post (sudo systemctl enable multi-user.target --force and sudo systemctl set-default multi-user.target).

The solution is to run:

sudo systemctl set-default graphical.target

I was able to deduce it from running systemctl get-default on an unmodified Ubuntu.

Best Answer

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