Xvfb

#! /bin/sh

### BEGIN INIT INFO
# Provides:          Xvfb
# Required-Start:    $local_fs $syslog
# Required-Stop:     $local_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start or stop Xvfb - X virtual framebuffer.
# Description:       Start or stop Xvfb - X virtual framebuffer.
### END INIT INFO

NAME="Xvfb"
DESC="X virtual framebuffer"
XVFB=/usr/bin/$NAME
OPTIONS=":99 -screen 0 1024x768x16 -ac"
USER=debian-xvfb
MASK=0022
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME

set -e

# Exit if the package is not installed
[ -x "$XVFB" ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

# Define LSB log_* functions.
. /lib/lsb/init-functions

do_start() {
  start-stop-daemon --start --background --quiet --oknodo --pidfile $PIDFILE --make-pidfile \
    --exec $XVFB --chuid $USER --umask $MASK -- $OPTIONS
}

do_stop() {
  start-stop-daemon --stop --quiet --oknodo --retry=TERM/3/KILL/2 --pidfile $PIDFILE
  RETVAL="$?"
  rm -f $PIDFILE
  return "$RETVAL"
}

case "$1" in
  start)
    [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
    do_start
    log_end_msg $?
    ;;
  stop)
    [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
    do_stop
    log_end_msg $?
    ;;
  restart|force-reload)
    [ "$VERBOSE" != no ] && log_daemon_msg "Restarting $DESC" "$NAME"
    $0 stop
    sleep 1
    $0 start
    ;;
  status)
    status_of_proc -p $PIDFILE $XVFB $NAME
    ;;
  *)
    echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload|status}" >&2
    exit 1
    ;;
esac

exit 0