On Mon, Mar 31, 2008 at 10:59 AM, McClelland, Scott <[EMAIL PROTECTED]> wrote:
> I am trying to run a tool (custom application) built with the GTK library
> from the command line. It works fine within X, but if I run it from cron,
> at, or ssh without X then I get this error:
>
> Gtk-WARNING **: cannot open display:
>
> Obviously GTK is trying to open the display, even though the app has a
> command line option to run from a command prompt, and doesn't use the display
> when that option is used.
>
> Other than modifying and recompiling the app to have it not check for a
> display, do you know of any workarounds to fool the environment into thinking
> is has what it needs?
>
> I tried things such as:
> DISPLAY=:0.0
> XAUTHORITY=/home/someuser/.Xauthority
>
>
Find, install, and use the X virtual frame buffer "xvfb". It seems to
have been designed for things like this.
carl
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carl lowenstein marine physical lab u.c. san diego
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