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lebedov/headless.sh

Created August 13, 2012 19:50
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Using Xvfb to create a headless display
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headless.sh
#!/bin/bash
# Demonstrates how to create a headless display using xvfb.
# Create the display:
Xvfb :100 -ac &
PID1=$!
export DISPLAY=:100.0
# Run the application that needs the display:
xterm &
PID2=$!
# Kill the application:
kill -9 $PID2
# Remove the display:
kill -9 $PID1
@mohamedelkony
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Hi what does
export DISPLAY=:100.0
do?
Thanks

@lebedov
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lebedov commented Jan 11, 2023

Hi what does export DISPLAY=:100.0 do? Thanks

You need to set the DISPLAY variable to the identifier associated with the virtual display created by Xvfb so that subsequently executed X11 applications use it rather than the default display.

@mohamedelkony
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Thank you @lebedov

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