Step-by-step – Xubuntu 20.04 Stop X Server Guide

Runlevel 3

2. 2. Killing Display Manager

   Then Login again
   So enter your Username & Pass.

   And Kill the Display Manager.

   sudo service lightdm stop

   But if you have a Custom display manager then look for the command to Stop it…

3. 3. Accessing Runlevel 3

   Finally, Go to Runlevel 3.

   sudo init 3