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Linux xvfb
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### Step 1: Install xvfb | |
> # apt-get install xvfb | |
### Step 2: Create and enable the init script for the xvfb daemon | |
Note “:0″ in XVFBARGS which sets to display 0, and the –set-guid parameter, which runs the daemon as the www-data user. If you are not running a headless server, make sure to change all references to “:0″ to “:#” (ie: :1, :2 or :22) to avoid conflicts with your existing X session(s) | |
Move xvfb_v2 to in “/etc/init.d/xvfb”: | |
### Enable your init script: | |
> # update-rc.d xvfb defaults 10 | |
### Run your init script: | |
> # /etc/init.d/xvfb start | |
Starting virtual X frame buffer: Xvfb. | |
### Check to confirm your Xvfb is running: | |
> # ps auxU www-data | grep [X]vfb | |
www-data 17852 0.0 0.2 54960 7904 ? S 04:31 0:00 /usr/bin/Xvfb |
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### BEGIN INIT INFO | |
# Provides: Xvfb | |
# Required-Start: $local_fs $remote_fs | |
# Required-Stop: | |
# X-Start-Before: | |
# Default-Start: 2 3 4 5 | |
# Default-Stop: 0 1 6 | |
# Short-Description: Loads X Virtual Frame Buffer | |
### END INIT INFO | |
XVFB=/usr/bin/Xvfb | |
XVFBARGS=":0 -screen 0 1024x768x24 -ac +extension GLX +render -noreset" | |
PIDFILE=/var/run/xvfb.pid | |
case "$1" in | |
start) | |
echo -n "Starting virtual X frame buffer: Xvfb" | |
start-stop-daemon --chuid www-data --start --quiet --pidfile $PIDFILE --make-pidfile --background --exec $XVFB -- $XVFBARGS | |
echo "." | |
;; | |
stop) | |
echo -n "Stopping virtual X frame buffer: Xvfb" | |
start-stop-daemon --chuid www-data --stop --quiet --pidfile $PIDFILE | |
echo "." | |
;; | |
restart) | |
$0 stop | |
$0 start | |
;; | |
*) | |
echo "Usage: /etc/init.d/xvfb {start|stop|restart}" | |
exit 1 | |
esac | |
exit 0 |
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### BEGIN INIT INFO | |
# Provides: Xvfb | |
# Required-Start: $local_fs $remote_fs | |
# Required-Stop: | |
# X-Start-Before: | |
# Default-Start: 2 3 4 5 | |
# Default-Stop: 0 1 6 | |
# Short-Description: Loads X Virtual Frame Buffer | |
### END INIT INFO | |
XVFB=/usr/bin/Xvfb | |
XVFBARGS=":1 -screen 0 1024x768x24 -ac +extension GLX +render -noreset" | |
PIDFILE=/var/run/xvfb.pid | |
case "$1" in | |
start) | |
echo -n "Starting virtual X frame buffer: Xvfb" | |
start-stop-daemon --start --quiet --pidfile $PIDFILE --make-pidfile --background --exec $XVFB -- $XVFBARGS | |
echo "." | |
;; | |
stop) | |
echo -n "Stopping virtual X frame buffer: Xvfb" | |
start-stop-daemon --stop --quiet --pidfile $PIDFILE | |
echo "." | |
;; | |
restart) | |
$0 stop | |
$0 start | |
;; | |
*) | |
echo "Usage: /etc/init.d/xvfb {start|stop|restart}" | |
exit 1 | |
esac | |
exit 0 |
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(e.g: if you're using a Ubuntun system)
put the contents of the gist as a file residing at
you'll probably need to make it executable
and then you can start it with
The script will start the virtual display at :1 so make sure to set your environment variable appropriately (export DISPLAY=:1) before running whatever you want to run inside the virtual x frame buffer.
To automatically run on startup use command:
To remove from autorun use command: