Try using ctrl-alt-f2 to get a console.  Log in as an accout with sudo priviledge.  Then: sudo systemctl restart km That should do it Kevin ⁣Sent from BlueMail ​ On Jul 30, 2018, 10:57 AM, at 10:57 AM, Jim wrote: >I have a problem killing the x server.  I have Kubuntu 18 installed.  >I've gone into system settings / input devices / keyboard and enabled >the option to kill the x server using control alt backspace, but it >doesn't work.  I created another user account and it works if I'm >logged >in as the other user.  I know I could nuke all this account's settings >and start from scratch, but I have this account configured like I like >except for the ability to kill the x server.  Does anyone have any idea > >what file needs to be edited or deleted, or is there something else?  >Thanks >--------------------------------------------------- >PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >To subscribe, unsubscribe, or to change your mail settings: >http://lists.phxlinux.org/mailman/listinfo/plug-discuss