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In regular Ubuntu (Unity/Gnome), I use gksudo to run GUI programs with root privileges. I'm trying out Kubuntu (or KDE) now -- what do I use?

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  • This seems to be too obvious to ask&answer. – Oleh Prypin Jul 20 '12 at 8:20
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    I disagree. Didn't know it before, as I've never seen the kdesudo command before. – Exeleration-G Jul 20 '12 at 23:55
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    similarly; I remember a kdesu for some reason that is 'command not found' in 15.04 at least – Mark Mar 1 '15 at 9:41
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The Kubuntu/KDE equivalent of gksudo is kdesudo. You can use this in the terminal or via the graphical command box on the top of the screen (Alt-F2).

When you do this, or otherwise launch an application which requires root privileges, you will get a kdesudo popup like this:

enter image description here

Note: If you are not getting this box with GUI applications, it may indicate a problem with the way the KDE desktop environment was installed. Please try reinstalling kubuntu-desktop if you are not using Kubuntu.

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  • As of Kubuntu 20.04, neither kdesudo, nor kdesu seem to be installed by default. There pkexec, but everything I tried to launch with it failed with some Qt error. – Dan Dascalescu Feb 16 at 22:51
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Now it is kdesu,

Example, If I want to use Matlab, and I want to run it as sudo user then I would type in: kdesu matlab, which would open a GUI window for taking my password as input.

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    For whatever reason in Kubuntu bionic beaver the command wasn't added to the path, but I can run it from /usr/lib/kde4/libexec/kdesu – Adam Plocher Aug 20 '18 at 2:34
  • @Looserof7 Since su and sudo are both command-line apps, I would imagine that kedsu and kdesudo both exist. – jpaugh Dec 4 '18 at 17:37
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As of Kubuntu 20.04, kdesudo doesn't seem to be installed by default, and kdesu is no longer in $PATH, but in /usr/lib/x86_64-linux-gnu/libexec/kf5/kdesu.

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