[KDE] Logout System Script

[farjibaba]

Dear Friends

I am working on a script which logs out the system but I didnot find any command which will logs out a user from system graphically

How I am Doing. ?

I used the following commands.
exit
gnome-session-quit ( and other gnome commands)
kill -u username
etc.

please guide how could i logout via script keep in mind that Scipt will run on sudo privileges

thanking you

[vinnywright]

sudo service lightdm restart

maby

VINNY

[oshunluvr]

You mean just logout without the GUI thingy?

kdeinit4_shutdown

works without root requirements.

[oshunluvr]

This works better as root:

pkill -u <username>

or

pkill x

to kill all users

[farjibaba]

@ vinnywright error lightdm service not found
@ oshunluvr After giving you command system give a black screen neither is logout nor it shutdown. It just become black and no mouse/keybord working
"kill" commands hang the system and nothing appears I want to know when we do logout from start menu which command is executed. please give some other suggestions

[oshunluvr]

Since you didn't say which command you tried, I can report that here:kdeinit4_shutdown resulted in a dialog stating kdeinit had closed and when I clicked OK I was presented with the log in screen and sudo pkill -u <myusername> gave no errors at all, just went straight to the log in screen.

Both commands work here, Without more info I can't guess why they didn't for you.

As far as Vinny's suggestion, if you're not using lightdm that means you've uninstalled it. Again, we can't guess which dm you've replaced it with so you'll have give more info or try gdm or kdm.

[oshunluvr]

Since you didn't say which command you tried, I can report that here:kdeinit4_shutdown resulted in a dialog stating kdeinit had closed and when I clicked OK I was presented with the log in screen and sudo pkill -u <myusername> gave no errors at all, just went straight to the log in screen.

Both commands work here, Without more info I can't guess why they didn't for you.

[kubicle]

I'd rather not simply kill the display manager or user processes, as the kde session will not end cleanly (session is not saved, applications are TERMed instead of exited etc.)

The cleanest way to logout from kde via script would be using a dbus call, something like:
qdbus org.kde.ksmserver /KSMServer logout 0 0 0
Where the last three integers define shutdownConfirm, shutdownType and shutdownMode (see http://api.kde.org/4.4-api/kdebase-w...WorkSpace.html), so it's pretty configurable.

It will work fine if run as a user, but can be a tad tricky to get it to work if you need to run the script as root (or another user), you can try this script:

#!/bin/bash 
ADDRESS="$(tr '\0' '\n' < /proc/$(ps -Ao %p%c | sed '/ksmserver/!d; s/ *\([0-9]*\) *.*/\1/g')/environ | grep DBUS_SESSION_BUS_ADDRESS |  cut -d"=" -f2-)" 
qdbus --address "$ADDRESS" org.kde.ksmserver /KSMServer logout 0 2 2

(from http://ubuntuforums.org/showthread.php?t=2244106 , did not test myself)

[oshunluvr]

The above works for me. I wonder if there's a way to launch the logout GUI popup from a script?

[kubicle]

The above works for me. I wonder if there's a way to launch the logout GUI popup from a script?

qdbus org.kde.ksmserver /KSMServer logout 1 -1 -1
(like I said, it's pretty configurable)

[oshunluvr]

Cool thanks!