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[Discuss-gnuradio] Can't open GNURadio Companion as root?

From: Eamon Heaney
Subject: [Discuss-gnuradio] Can't open GNURadio Companion as root?
Date: Sat, 8 Jun 2019 14:00:33 -0400

Hey all, I'm getting a gtk error when I try to run gnuradio-companion as root. Error message below.

File "/usr/bin/gnuradio-companion", line 97, in <module>
  File "/usr/bin/gnuradio-companion", line 64, in check_gtk
    die(err, "Failed to initialize GTK. If you are running over ssh, "
  File "/usr/bin/gnuradio-companion", line 42, in die
    import gtk
  File "/usr/lib64/python2.7/site-packages/gtk-2.0/gtk/__init__.py", line 69, in <module>
  File "/usr/lib64/python2.7/site-packages/gtk-2.0/gtk/__init__.py", line 57, in _init
    warnings.warn(str(e), _gtk.Warning)
gtk.GtkWarning: could not open display

The instructions on the github repo I'm working from indicate that I should be running this as root, so I do think it's necessary. Any ideas on how to fix this?

Eamon Heaney
Fleet Commander
President, Model UN at Virginia Tech

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