Auto-start Dropbox.

dropbox.sh

#!/bin/bash

DROPBOX_USERS="root"

DAEMON=.dropbox-dist/dropboxd

start() {
    echo "Starting dropbox..."
    for dbuser in $DROPBOX_USERS; do
        HOMEDIR=`getent passwd $dbuser | cut -d: -f6`
        if [ -x $HOMEDIR/$DAEMON ]; then
            HOME="$HOMEDIR" start-stop-daemon -b -o -c $dbuser -S -u $dbuser -x $HOMEDIR/$DAEMON
        fi
    done
}

stop() {
    echo "Stopping dropbox..."
    for dbuser in $DROPBOX_USERS; do
        HOMEDIR=`getent passwd $dbuser | cut -d: -f6`
        if [ -x $HOMEDIR/$DAEMON ]; then
            start-stop-daemon -o -c $dbuser -K -u $dbuser -x $HOMEDIR/$DAEMON
        fi
    done
}

status() {
    for dbuser in $DROPBOX_USERS; do
        dbpid=`pgrep -u $dbuser dropbox`
        if [ -z $dbpid ] ; then
            echo "dropboxd for USER $dbuser: not running."
        else
            echo "dropboxd for USER $dbuser: running (pid $dbpid)"
        fi
    done
}

case "$1" in
  start)
    start
    ;;

  stop)
    stop
    ;;

  restart|reload|force-reload)
    stop
    start
    ;;

  status)
    status
    ;;

  *)
    echo "Usage: /etc/init.d/dropbox {start|stop|reload|force-reload|restart|status}"
    exit 1

esac

exit 0

After some update the service would fail to start with "Exec format error". This is because the above script was missing a hashbing, #!/bin/bash1.

root@dblock-plum:~# service dropbox status
● dropbox.service
   Loaded: loaded (/etc/init.d/dropbox; bad; vendor preset: enabled)
   Active: failed (Result: exit-code) since Fri 2020-09-11 10:37:38 EDT; 6min ago
     Docs: man:systemd-sysv-generator(8)
  Process: 25052 ExecStart=/etc/init.d/dropbox start (code=exited, status=203/EXEC)

Sep 11 10:37:38 dblock-plum systemd[1]: Stopped dropbox.service.
Sep 11 10:37:38 dblock-plum systemd[1]: Starting dropbox.service...
Sep 11 10:37:38 dblock-plum systemd[25052]: dropbox.service: Failed at step EXEC spawning /etc/init.d/dropbox: Exec format error
Sep 11 10:37:38 dblock-plum systemd[1]: dropbox.service: Control process exited, code=exited status=203
Sep 11 10:37:38 dblock-plum systemd[1]: Failed to start dropbox.service.
Sep 11 10:37:38 dblock-plum systemd[1]: dropbox.service: Unit entered failed state.
Sep 11 10:37:38 dblock-plum systemd[1]: dropbox.service: Failed with result 'exit-code'.