Gtk-WARNING **: cannot open display: :0.0

Connect as a normal user(I mean user who is logged into the x server).

!!!Not as a root user!!!

And allow any local user to load X displays:

$ xhost +

To disable it run the following:

$ xhost –

About Mariami Kupatadze
Oracle Certified Master Linkedin: https://www.linkedin.com/in/mariami-kupatadze-01074722/

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