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KDEsu fails to start KDE Partition Manager

Elf
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Hello all!

I have Debian 10 Buster with KDE. Installed a KDE Partition Manager and can't launch it. After entering a root password in KDEsu window it freezes and hangs up. How to find why?
Maybe there's other ways to start KDE Partition Manager as root without usin a kdesu?
Elf
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UPDATE

KDEsu also cannot load grub-customiser

Tried to launch it from konsole with after su -:

[email protected]:~# partitionmanager
qt.qpa.screen: QXcbConnection: Could not connect to display
Could not connect to any X display.


[email protected]:~# grub-customizer
Unable to init server: Could not connect: Connection refused

(grub-customizer:5153): Gtk-WARNING **: 09:54:55.071: cannot open display:
User avatar Mamarok
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just run
Code: Select all
partitionmanager

from a user shell, it will prompt you for your password.
AFAIK kdesu is obsolete since a while, and nearly all distributions nowadays use sudo instead of su

In general, GUI applications should never been run from a root konsole


Currently running Kubuntu 20.04, Plasma 5.18.5, Frameworks 5.68.0, Qt 5.12.8, kernel 5.4.0-42
FWIW: it is always useful to state the exact Plasma version and distribution when asking questions in this forum, makes it easier for us to help ...

 
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