After connecting to network, cant run gtk apps: Gtk-WARNING **: cannot

I cant run any application, this shows me in terminal when I want to start some application:
chromium
No protocol specified
(chromium:1542): Gtk-WARNING **: cannot open display: :0.0
When I put this in terminal:
xhost +local:root
No protocol specified
xhost: unable to open display ":0.0"
here is some solution, but doesnt work for me:
http://rajivpandit.wordpress.com/2013/0 … -6-4-rhel/
Last edited by rado3105 (2013-07-06 14:15:17)

I have the same problem, but adding a hostname file in etc doesn't fix anything.
Changing my host name fixed it for me. Instructions here: https://bbs.archlinux.org/viewtopic.php?id=153070
Last edited by knowNothing23 (2013-08-25 22:24:01)

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Hi @trisk ,
Thank you for updating me, I appreciate you taking the time.
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After connecting to network, cant run gtk apps: Gtk-WARNING **: cannot

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