[start a daemon with ubuntu shell]

daemon_ubuntu.sh

#!/bin/sh
### BEGIN INIT INFO
# Provides:          apache2
# Required-Start:    $local_fs $remote_fs $network $syslog $named
# Required-Stop:     $local_fs $remote_fs $network $syslog $named
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# X-Interactive:     true
# Short-Description: Start/stop apache2 web server
# Description:       Start the web server and associated helpers
#  This script will start apache2, and possibly all associated instances.
#  Moreover, it will set-up temporary directories and helper tools such as
#  htcacheclean when required by the configuration.
### END INIT INFO

DESC="description goes here"
NAME=provess-name
DAEMON=/usr/sbin/$NAME

case "$1" in
  start)
        log_daemon_msg "Starting $DESC" "$NAME"
        initctl start provess-name
        RET_STATUS=$?
        case "$RET_STATUS" in
                0|1)
                        log_success_msg
                        [ $RET_STATUS = 1 ] && log_warning_msg "Server was already running"
                        ;;
                2)
                        log_failure_msg
                        print_error_msg
                        exit 1
                        ;;
        esac
        ;;
  stop|graceful-stop)
        log_daemon_msg "Stopping $DESC" "$NAME"
        initctl stop provess-name
        RET_STATUS=$?
        case "$RET_STATUS" in
                0|1)
                        log_success_msg
                        [ $RET_STATUS = 1 ] && log_warning_msg "Process was not running"
                ;;
                2)
                        log_failure_msg
                        print_error_msg
                        exit 1
                ;;
        esac
        print_error_msg
        ;;