Re^2: Tk OSX couldn't connect to display :0

Indeed.

I don't recall if it's actually necessary on OSX, but some time ago I ended up putting the following in my .profile or .bashrc so I never have to think about it ever again:

export DISPLAY=localhost:0.0
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--chargrill

s**lil*;  $*=join'',sort split q**;  s;.*;grr; &&s+(.(.)).+$2$1+; $; =
qq-$_-;s,.*,ahc,;$,.=chop for split q,,,reverse;print for($,,$;,$*,$/)
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Re^3: Tk OSX couldn't connect to display :0 by andyford (Curate) on Nov 27, 2006 at 01:28 UTC
Which could be OK in your case, but if you use ssh and X forwarding, your exported DISPLAY will overwrite the special one that ssh gave you. The result will be that your X app will try to run on the machine that you ssh'd to instead of the machine that you ssh'd from. Usually not what you want. non-Perl: Andy Ford	[reply]
Re^4: Tk OSX couldn't connect to display :0 by chargrill (Parson) on Nov 27, 2006 at 04:39 UTC
That would indeed jump up and bite me in the rear if I were to ever SSH into the box where I have added that to my .bashrc - so sage advice to be sure. In this case, it's my laptop - and if my laptop isn't the box closest to me, it's not on, and thus un-ssh-to-able :) I do ssh out to a remote FreeBSD host, occasionally with X forwarding, and works as I intend. --chargrill `s*lil; $=join'',sort split q; s;.;grr; &&s+(.(.)).+$2$1+; $; = qq-$_-;s,.,ahc,;$,.=chop for split q,,,reverse;print for($,,$;,$,$/)` [download]	[reply] [d/l]
Re^4: Tk OSX couldn't connect to display :0 by Fletch (Bishop) on Nov 27, 2006 at 02:03 UTC
If you set it in `~/.MacOSX/environment.plist` (if you don't already have one you can use the developer tools GUI property list editor to create one; it should be a dictionary, the keys being the environment variables to set and the string values the . . . erm . . . values to which to set them). Next time you log in and out (not just a Finder restart; have to go through loginwindow) anything started by the OS X GUI (such as iTerm or Terminal.app) should get those values in its environment.	[reply]