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    Kubuntu, can't lock screen.

    Hi all,

    I suddenly can't lock the screen anymore with ctrl-ald-delete on Kubuntu 15.10. Any solution ?

    Thanks.

    Ps: Also, i was wondering if it's possible to remove Akonadi and Kmail completely.

    #2
    is not screen locking ,,,, "ctrl+alt+l" thats an L

    VINNY
    i7 4core HT 8MB L3 2.9GHz
    16GB RAM
    Nvidia GTX 860M 4GB RAM 1152 cuda cores

    Comment


      #3
      I meant "L" obviously, yes, sorry.

      Still. Doesn't work

      Comment


        #4
        Does it work from the K menu?

        If so, then it could be a keyboard shortcut issue - like another app having stolen that shortcut. Look in system settings > shortcuts and gestures. Global shortcuts > KDE Session Manager on my version.
        I'd rather be locked out than locked in.

        Comment


          #5
          It doesn't work from the K menu either.

          Comment


            #6
            So ... does it work from the command line?

            I think this is the right command:
            Code:
            qdbus org.freedesktop.ScreenSaver /ScreenSaver Lock
            Works on my system but I'm on 14.04
            I'd rather be locked out than locked in.

            Comment


              #7
              No, doesn't either.

              Says this.

              sudo qdbus org.freedesktop.ScreenSaver /ScreenSaver Lock[sudo] password for red:
              Service 'org.freedesktop.ScreenSaver' does not exist.

              Comment


                #8
                Doesn't require sudo on my system. But if you get the same result, I'd guess your screensaver has been stopped or corrupted or even uninstalled ... try reinstalling?
                I'd rather be locked out than locked in.

                Comment


                  #9
                  I'm willing to reinstall it but i'm not sure wich package to reinstall ?

                  Comment


                    #10
                    I thought you'd ask that ... and I looked again but I can't work it out

                    Anyone?
                    I'd rather be locked out than locked in.

                    Comment


                      #11
                      Ha. Thanks a lot mate.

                      If someone else could jump into the conversation ?

                      Comment


                        #12
                        kscreenlocker_greet

                        Code:
                        [FONT=monospace]$ [/FONT][COLOR=#333333][FONT=Ubuntu]/usr/lib/x86_64-linux-gnu/libexec/[/FONT][/COLOR][COLOR=#333333][FONT=Ubuntu]kscreenlocker_greet[/FONT][/COLOR][FONT=monospace] --help
                        Usage: [/FONT][COLOR=#333333][FONT=Ubuntu]/usr/lib/x86_64-linux-gnu/libexec/[/FONT][/COLOR][COLOR=#333333][FONT=Ubuntu]kscreenlocker_greet[/FONT][/COLOR][FONT=monospace] [options]
                        Greeter for the KDE Plasma Workspaces Screen locker
                        
                        Options:
                          -h, --help                  Displays this help.
                          -v, --version               Displays version information.
                          --testing                   Starts the greeter in testing mode
                          --immediateLock             Lock immediately, ignoring any grace time etc.
                          --graceTime <milliseconds>  Delay till the lock user interface gets shown in
                                                      milliseconds.
                          --nolock                    Don't show any lock user interface.
                          --ksldfd <fd>               File descriptor for connecting to ksld.
                        [/FONT]


                        Ubuntu package: http://packages.ubuntu.com/search?se...=wily&arch=any



                        Last edited by LinkBot; Feb 24, 2016, 12:17 PM.
                        Try Me !

                        Comment


                          #13
                          Thanks a lot for your answer but i'm not really sure how this install this package.

                          Some help would be highly appreciated.

                          Comment


                            #14
                            Originally posted by Reding View Post
                            Thanks a lot for your answer but i'm not really sure how this install this package.
                            ??

                            If you have the Kubuntu desktop or the Plasma desktop installed then you should have the plasma-workspace installed

                            Package: kubuntu-desktop: http://packages.ubuntu.com/wily/kubuntu-desktop
                            depends: plasma-desktop

                            Package: plasma-desktop : http://packages.ubuntu.com/wily/plasma-desktop
                            depends: plasma-workspace


                            Part of the plasma-workspace: http://packages.ubuntu.com/wily/plasma-workspace
                            is the kscreenlocker_greet

                            64 bit: /usr/lib/x86_64-linux-gnu/libexec/kscreenlocker_greet
                            32 bit:
                            /usr/lib/i386-linux-gnu/libexec/kscreenlocker_greet

                            by executing the kscreenlocker_greet, with the full path, the screen locker should start.


                            Ubuntu Apt-Get How-To: https://help.ubuntu.com/community/AptGet/Howto
                            Try Me !

                            Comment


                              #15
                              /usr/lib/x86_64-linux-gnu/libexec/kscreenlocker_greet --helpbash: /usr/lib/x86_64-linux-gnu/libexec/kscreenlocker_greet: No such file or directory
                              I reinstalled everything including kubuntu-desktop, plasma-desktop and plasma-workspace using the terminal with apt-get.

                              Still. kscreenlocker doesn't seem to be willing to install.

                              Comment

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