An /etc/init.d script for dropbox on RHEL.

etc-init.d-dropbox-rhel

#!/usr/bin/env bash
# chkconfig: 345 85 1
# description: Startup script for dropbox daemon
#
# processname: dropboxd
# pidfile: /var/run/dropbox.pid
# config: /etc/sysconfig/dropbox
#

### BEGIN INIT INFO
# Provides: dropboxd
# Required-Start: $local_fs $network $syslog
# Required-Stop: $local_fs $syslog
# Should-Start: $syslog
# Should-Stop: $network $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Start up the Dropbox file syncing daemon
# Description:       Dropbox is a filesyncing sevice provided by dropbox.com
#                    This service starts up the dropbox daemon.
### END INIT INFO

NICE=19 # -20 - 19
IONICE_CLASS=3 # 0 - 3
IONICE_PRIOR=7 # 0 - 7
KERNEL=`uname -s`

# Source function library.
. /etc/rc.d/init.d/functions

# To configure, add line with DROPBOX_USERS="user1 user2" to /etc/sysconfig/dropbox
# Probably should use a dropbox group in /etc/groups instead.

[ -f /etc/sysconfig/dropbox ] && . /etc/sysconfig/dropbox
prog=dropboxd
lockfile=${LOCKFILE-/var/lock/subsys/$prog}
config=${CONFIG-/etc/sysconfig/dropbox}
RETVAL=0

start() {
    echo -n $"Starting $prog"
    if [ -z $DROPBOX_USERS ] ; then
        echo -n ": unconfigured: $config"
        echo_failure
        echo
        rm -f ${lockfile} ${pidfile}
        RETURN=6
        return $RETVAL
    fi
    for dbuser in $DROPBOX_USERS; do
        daemon --user $dbuser /bin/sh -c "/home/$dbuser/.dropbox-dist/dropboxd&"
    done
    RETVAL=$?
    echo
    [ $RETVAL = 0 ] && touch ${lockfile}

    for pid in `pidof dropbox`; do
        if [ `which renice > /dev/null; echo $?` -eq 0 ]; then
            if [ x$KERNEL == xLinux ] || [ x$KERNEL == xDarwin ]; then
                renice -n $NICE $pid
            fi
        fi
        if [ `which ionice > /dev/null; echo $?` -eq 0 ]; then
            if [ x$KERNEL == xLinux ]; then
                ionice -c $IONICE_CLASS -n $IONICE_PRIOR -t -p $pid
            fi
        fi
    done

    return $RETVAL
}

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

stop() {
    echo -n $"Stopping $prog"
    for dbuser in $DROPBOX_USERS; do
        killproc /home/$dbuser/.dropbox-dist/dropbox
    done
    RETVAL=$?
    echo
    [ $RETVAL = 0 ] && rm -f ${lockfile} ${pidfile}
}

# See how we were called.
case "$1" in
    start)
        start
        ;;
    status)
        status
        ;;
    stop)
        stop
        ;;
    restart)
        stop
        start
        ;;
    *)
        echo $"Usage: $prog {start|status|stop|restart}"
        RETVAL=3
esac
exit $RETVAL