GNU/Linux Ubuntu 22.04 Killing X Server
How to Kill X Server on Ubuntu 22.04 Jammy LTS GNU/Linux desktop – Step by step Tutorial.
So with this procedure you should be able to Kill Ubuntu X Server and drop a Runlevel 3 Shell.
 
- First, Hit 
 Ctrl+Alt+F1.
- Then Login again 
 So enter your Username & Pass.
- And Kill the Display Manager. - sudo service lightdm stop Or:- sudo service gdm stop - But if you have a Custom display manager then look for the command to Stop it… 
- Finally, Go to Runlevel 3 
 With:- sudo init 3 To test you are on Ubuntu Server Mode issue:- who -r 
