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I am using OpenSUSE and I have created a script that launches at startup the x11vnc server. But when the user logs out x11vnc is killed. I want it to start again automatically. Here the script I wrote. It works perfectly at boot.

# /etc/init.d/vnc
# Provides:          x11vnc server
# Required-Start:    xdm
# Should-Start: 
# Required-Stop: 
# Should-Stop: 
# Default-Start:     5
# Default-Stop:      0 1 2 6
# Short-Description: 
# Description:       Start or stop vnc server

SERVICE=$(basename $0)
#Gets the name of the script

#Binary path
ALLOWED_GROUP=$(getent group g_vnc-usr | awk -F ":" '{ print $4 }')
#Only inf-usr group is allowed to take control of any machine.

AUTH=`ps wwaux | grep '/X.*-auth' | sed -e 's/^.*-auth *//' -e 's/ .*$//' | head -n 1`

OPT="-display :0 -auth ${AUTH} -nopw -unixpw ${ALLOWED_GROUP} -shared -oa /var/log/vnc.log -xkb -bg -verbose -forever"
#Various options of the x11vnc providing auth, user auth, logging and "keep alive" connection.

CMD="${BIN} ${OPT}"
#Both bin and options are stored

. /lib/lsb/init-functions

# Reset status of this service

case "$1" in
    echo -n "Starting ${SERVICE}..."
        ## Start daemon with startproc(8). 
    /sbin/startproc ${CMD}

    ##>> /dev/null 2>&1
    sleep 2s

    # Remember status and be verbose.
        rc_status -v

    echo -n "Shutting down ${SERVICE}..."
    ## Stop daemon with killproc(8) 
    /sbin/killproc ${BIN}

    # Remember status and be verbose
    rc_status -v

    ## Stop the service and regardless of whether it was
    ## running or not, start it again.
    $0 stop
    $0 start

    # Remember status and be quiet

    echo -n "Checking for service ${SERVICE}..."
    ## Check status with checkproc(8), if process is running
    ## checkproc will return with exit status 0.
    /sbin/checkproc ${BIN}

    # Remember status and be verbose
    rc_status -v
    echo -n 
    echo -n "Usage: ${SERVICE} {start|stop|restart|status}"
    exit 1

This script allows any user from the group to take the machine over even if no one is currently logged in.

I wanted to use xinitrc and to add exec /etc/init.d/vnc restart

Thank you.

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I finally added -loop at the end of the x11vnc command and it works. Create an outer loop restarting the x11vnc process whenever it terminates –  igor012 Jul 19 '12 at 14:41
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1 Answer

(Converting a comment to an answer)

The -loop argument can be used to restart x11vnc in a loop. From the man page:

Create an outer loop restarting the x11vnc process whenever it terminates. -bg and -inetd are ignored in this mode (however see -loopbg below).

Useful for continuing even if the X server terminates and restarts (at that moment the process will need permission to reconnect to the new X server of course).

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