Service ou DAEMON

On traite ici le cas d'un raspberry PI

http://nagashur.com/wiki/doku.php?id=raspberry_pi:creation_service

exemple du démarrage d'un script python sur un raspbian

# Some things that run always

touch /var/lock/meteo_ebuddy

script="/home/meteo/meteo/meteo.py"

# Carry out specific functions when asked to by the system

case "$1" in

start)

echo "Starting script meteo "

sudo python3.2 $script &

;;

stop)

echo "Stopping script meteo"

echo `ps -eo pid,cmd | grep "python3.2 $script" -m 2 | cut -d ' ' -f 2`

sudo kill -9 `ps -eo pid,cmd | grep "python3.2 $script" -m 2 | cut -d ' ' -f 2`

#sudo kill -9 `ps -eo pid,cmd | grep "python3.2 $script" -m 2 | cut -d ' ' -f 1`

;;

*)

echo "Usage: /etc/init.d/blah {start|stop}"

exit 1

;;

esac

exit 0

skeleton 

d'un service de base  /etc/init.d

#! /bin/sh

### BEGIN INIT INFO

# Provides:          skeleton

# Required-Start:    $remote_fs $syslog

# Required-Stop:     $remote_fs $syslog

# Default-Start:     2 3 4 5

# Default-Stop:      0 1 6

# Short-Description: Example initscript

# Description:       This file should be used to construct scripts to be

#                    placed in /etc/init.d.

### END INIT INFO

# Author: Foo Bar <foobar@baz.org>

DESC="Description of the service"

NAME=daemonexecutablename

DAEMON=/usr/sbin/$NAME

DAEMON_ARGS="--options args"

PIDFILE=/var/run/$NAME.pid

SCRIPTNAME=/etc/init.d/$NAME

[ -x "$DAEMON" ] || exit 0

[ -r /etc/default/$NAME ] && . /etc/default/$NAME

. /lib/init/vars.sh

. /lib/lsb/init-functions

do_start()

{

  start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME

  RETVAL="$?"

  [ "$RETVAL" = 2 ] && return 2

  start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON

  [ "$?" = 2 ] && return 2

  rm -f $PIDFILE

  return "$RETVAL"

}

do_stop() {

  start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME

  return 0

}

case "$1" in

  start)

    [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"

    do_start

    case "$?" in

      0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;

      2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;

    esac

    ;;

  stop)

    [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"

    do_stop

    case "$?" in

      0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;

      2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;

    esac

    ;;

  status)

    status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?

    ;;

  restart)

    log_daemon_msg "Restarting $DESC" "$NAME"

    do_stop

    case "$?" in

      0|1)

        do_start

        case "$?" in

          0) log_end_msg 0

          1) log_end_msg 1

            *) log_end_msg 1

        esac

        ;;

      *)

        log_end_msg 1

        ;;

    esac

    ;;

  *)

    echo "Usage: $SCRIPTNAME {start|stop|status|restart}" >&2

    exit 3

    ;;

esac

La fonction update-rc.d  

disable 

ou 

enable

ex :

sudo update-rc.d mydaemon defaults 85 15

sudo update-rc.d vsftpd disable 

Le fonction systemctl

https://www.digitalocean.com/community/tutorials/how-to-use-systemctl-to-manage-systemd-services-and-units-fr

sudo systemctl enable vsftpd.service 

sudo systemctl  stop vsftpd.service

sudo systemctl start vsftpd.service