Bug 424092

Summary: closing kde session by key
Product: [I don't know] kde Reporter: mehl
Component: generalAssignee: Unassigned bugs <unassigned-bugs-null>
Status: RESOLVED WORKSFORME    
Severity: normal CC: mehl, nate
Priority: NOR    
Version First Reported In: unspecified   
Target Milestone: ---   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description mehl 2020-07-11 08:49:05 UTC 
SUMMARY
closing kde session by key should be possible

STEPS TO REPRODUCE
1. 
2. 
3. 

OBSERVED RESULT


EXPECTED RESULT


SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 5.19.3
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION

A computer session under opensuse 15.2 can only be closed using the mouse:

starter > system > shutdown

It is desirable to be able to close using the keys only. halt or shutdown from the terminal do not help as then not all processes started by mouse action
start here, too so some processes are skipped this way. When clicking on
shutdown a file (command) must be activated. So it would be sufficient to state somewhere which command can be used instead of the mouse clicks. Then e.g. this command could be used in batch files as well.
Comment 1 Nate Graham 2020-07-12 14:23:50 UTC 
It is, try Ctrl+Alt+Delete. :) You can see all the shortcuts at System Settings > Shortcuts > Session management.
Comment 2 mehl 2020-07-21 08:03:43 UTC 
(In reply to Nate Graham from comment #1)
> It is, try Ctrl+Alt+Delete. :) You can see all the shortcuts at System
> Settings > Shortcuts > Session management.

Thank you for your answer. The shortcut Ctrl+Alt+Delete is known to me.
But two questions remain for me:

1. In good old times windows had to be defragmentated regularly. Now
   this is done automatically, in linux, too. But I read somewhere
   that e.g. the command 'halt' does NOT do it, only the click
   sequence starter > session > shutdown would do it.

       Is Ctrl+Alt+Delete _completely_ equivalent
       to the click sequence above?

2. I would like to have a command for the _complete_ shutdown process
   within a script.

          What do write there?

Albrecht
Comment 3 Christoph Feck 2020-08-03 16:08:31 UTC 
It is best to ask such questions in a forum instead of a bug tracker, but let me answer anyway.

First, you are mixing up defragmentation, filesystem consistency, and applications needing to save state before shutdown. The filesystem will always be consistent, as long as you don't cut the power before the system has turned off itself.

About the command-line shutdown tools, such as 'halt', 'poweroff', and 'shutdown': These do not ask applications to save state. All processes are terminated without giving them a chance to ask the user.

To shutdown a graphical session from the command line, use a DBus command for the session manager:

    qdbus org.kde.ksmserver /KSMServer logout 1 2 3

If you replace 1 with 0, then it won't ask, i.e. proceed as if you had clicked Shutdown. For more information, see e.g. https://www.reddit.com/r/kde/comments/70hnzg/command_to_properly_shutdownreboot_kde_machine/