Question

1

How to fix gksu / kdesudo? kdesudo(2831) KDESu::KDESuPrivate::KCookie::getXCookie: No X authentication info set for display ":0"

rated 0 times [ 1] [ 0] / answers: 1 / hits: 4949 / 2 Years ago, tue, august 16, 2022, 7:40:33

Command (in terminal):
leafpad

Result: Leafpad without root rights working fine.

What did I do to cause the error? Maybe I accidentally run

sudo leafpad

Now I am having problems... Neither kdesudo nor gksu are functional.

Command:

kdesudo leafpad

Error:

kdesudo(2831) KDESu::KDESuPrivate::KCookie::getXCookie: No X authentication info set for display  ":0" 



No protocol specified

No protocol specified

leafpad: Cannot open display:

Command:

gksu leafpad

Error:

Gkr-Message: secret service operation failed: The name org.freedesktop.secrets was not provided by any .service files

What must I do to fix the error?

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answered 2 Years ago rtbrbab · Accepted Answer

Run this command in the Konsole/Terminal:

sudo rm ~/.Xauthority /root/.Xauthority

That should fix the problem, as new .Xauthority files will be created as needed.

In the future, when running graphical apps as root, you can avoid creating this and other problems by using a graphical frontend like kdesudo (or gksu/gksudo) rather than invoking sudo directly.