Linux/etc/init. d/service script example, etcinit. d

Linux/etc/init. d/service script example, etcinit. d

1. Write the script and put it in the/etc/init. d/directory, and set the executable permission chmod + x scriptnamed.

2. The script contains several methods: start, stop, restart, and status,

The/opt/myservice. sh script can add the operations you want to perform.

Example:

#! /Bin/bash

# Chkconfig: 1234 90 60

# Default-Start: 2 3 4 5

# Default-Stop: S 0 1 6

# Description: Saves and restores system entropy pool \

# Higher quality random number generation

Servername = myservice

Serverdir =/opt/myservice

Binpath =/opt/myservice. sh

Prog = $ (basename $ binpath)

./Etc/init. d/functions

Restart (){

Stop

Start

}

Reload (){

Stop

Start

}

Start (){

Echo-n $ "Starting $ daemon :"

Daemon $ binpath start

Retval = $

Echo

[$ Retval-eq 0]

}

Stop (){

Echo-n $ "Stopping $ daemon :"

Daemon $ binpath stop

Retval = $

Echo

[$ Retval-eq 0]

}

Ha_status (){

# Status $ prog

Status $ prog

Ps-ef | grep $ prog & exit 0

}

Case "$1" in

Start)

$1

;;

Stop)

$1

;;

Reload)

$1

;;

Restart)

$1

;;

Status)

Ha_status

;;

*)

Echo "Usage: $0 {start | stop | reload | restart | status }"

Exit 1

Esac

3. Set chkconfig -- level 2345 scriptname on for startup.