After reading a lot of other questions regarding kiosk mode, I'm using matchbox window manager to launch chromium on my pi that is booting raspbian.

I'm started using an older script that was mentioned ( S99xkiosk ) which wasn't really written to the update-rc.d standards, and was causing errors like:

update-rc.d: error: insserv rejected the script header

When I would run apt-get update or dpkg --configure -a

So I've rewritten the script and I think it is working pretty well:

# kiosk initscript
# Provides:          kiosk
# Required-Start:    $local_fs $remote_fs x11-common
# Default-Start:     4
# Required-Stop:
# Default-Stop:
# Short-Description: Starts the Chrome Kiosk
# Description:       This scripts starts the chrome kiosk

# launch the kiosk script as the pi user
su -c /home/pi/kiosk.sh - pi
# give the system a chance to be rescued via SSH in case of an error
sleep 30 
# but otherwise we'll assume that chrome should not have exited and reboot the system
shutdown now -r

The script is installed at /etc/init.d/kiosk and I want it to be the last thing that runs, so I'd like it to be symlinked as /etc/rc4.d/S99kiosk

I can create this symlink manually, but I'd like to know if it is possible to do it with update-rc.d ?

I've read the man page for update-rc.d and tried the examples, the closest I can get is:

update-rc.d kiosk start 20 4 .

But that seems to put it at /etc/rc4.d/S01kiosk and then 20 doesn't seem to have any effect.

Is there something wrong with my init.d script or am I using update-rc.d incorrectly?

ps: The intention of the script is to be the last thing that loads - because, as I understand, the init scripts are blocking - so we want everything else loaded first. Then it runs the script that launches chromium as the foreground process, and we'll reboot the system in the case of a browser crash (where the script would continue executing)

That's why I'd like the init script to be symlinked as S99kiosk

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