Wireshark-users: Re: [Wireshark-users] Gtk-WARNING **: cannot open display
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From: Guy Harris <guy@xxxxxxxxxxxx>
Date: Fri, 13 Jul 2007 01:35:06 -0700
xipso1@xxxxxxxxx wrote:
Hi, i got this error when i run wireshark, can anyone point out what i'm not doing right, Thanks. 

Platform:mac osx 10.4
installed wireshark thru macport


Have you installed X11?  If not, that's what you didn't do right.
If you have installed X11, is X11 running? If not, that's what you didn't do right.
If X11 is running, have you set the DISPLAY environment variable to :0.0? If not, that's what you didn't do right.