On a POSIX-compliant system, how do one detect if X is running and if it's usable for the ap开发者_开发问答plication.
Check if $DISPLAY has a value, and try to connect the the server at that address.
Detect if X is running and if it's usable for application
On a POSIX-compliant system, how do one detect if X is running and if it\'s usable for the ap开发者_开发问答plication.Check if $DISPLAY has a value, and try to connect the the server at that address.
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![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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