Ubuntu start xvfb on boot #ubuntu

run xvfb in background

1  copy the file into /etc/init.d/xvfb
2  chmod +x /etc/init.d/xvfb
3  ./etc/init.d/xvfb start
4  # some headless test here
5  ./etc/init.d/xvfb stop

To automatically run on startup use command:
sudo update-rc.d xvfb defaults
To remove from autorun use command:
sudo update-rc.d -f xvfb remove

Xvfb systemd service.org

Xvfb systemd service

System environment

• CentOS 8.0
• Xvfb 1.20

Install Xvfb

yum install xorg-x11-server-Xvfb

Create systemd unit file

/lib/systemd/system/xvfb.service

[Unit]
Description=X Virtual Frame Buffer Service
After=network.target

[Service]
ExecStart=/usr/bin/Xvfb :1 -screen 0 1920x1280x24 -ac +extension GLX +render -noreset
User=ubuntu
Group=ubuntu

[Install]
WantedBy=multi-user.target

Run Xvfb service

systemctl start xvfb

Enable Xvfb service on startup

systemctl enable xvfb

References

• https://gist.github.com/ypandit/f4fe751bcbf3ee6a32ca

xvfb-2.sh

### 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 1920x1280x24 -ac +extension GLX +render -noreset"
PIDFILE=/var/run/xvfb.pid
case "$1" in
  start)
    export DISPLAY=:1
    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
    rm $PIDFILE
    echo "."
    ;;
  restart)
    $0 stop
    $0 start
    ;;
  *)
        echo "Usage: /etc/init.d/xvfb {start|stop|restart}"
        exit 1
esac

exit 0

xvfb.service #xvfb

[Unit]
Description=X Virtual Frame Buffer Service
After=network.target

[Service]
ExecStart=/usr/bin/Xvfb :1 -screen 0 1920x1280x24 -ac +extension GLX +render -noreset
User=ubuntu
Group=ubuntu

[Install]
WantedBy=multi-user.target

xvfb.sh

### 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