I'm running a java application on my ubuntu server which refuses to open if it cannot open a window (the content of the windows is of no interest for me). Since the server is not connected to any screen I don't want to have a full running x11 environment like openbox. Currently I'm forwarding this window over ssh to my pc but this way the program closes whenever I'm rebooting the pc. What could be a good solution for this? (I'll never need to see the content of the window)
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Is there an option on the command line to disable this requirement?– KarlsonSep 19, 2012 at 17:10
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Related (maybe not exact duplicate because there might be something specific to Java): How can I run Firefox on Linux headlessly (i.e. without requiring libgtk-x11-2.0.so.0)?– Gilles 'SO- stop being evil'Sep 19, 2012 at 23:48
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2 Answers
Xvfb is an X server intended for situations like yours.
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Debian and Ubuntu's xvfb package includes a script,
xvfb-run, which will automatically launch an Xvfb instance and run your program with$DISPLAYpointing to that instance. Sep 19, 2012 at 18:37
You have to use a headless jre, e.g. the package default-jre-headless.
