How to RedHat Linux init script

时间：2006-06-30 来源：pianoch

1. RedHat Linux use chkconfig command to configure init script.

#chkconfig --list list all of initscript services. #chkconfig <service-name> on #chkconfig <service-name> off <service-name>: the script name on /etc/init.d These two command does not start/stop service actuallly, these just tell the system, these service will be started/stoped on next system reboot.

2. Use service command start/stop service manually

service <service-name> start service <service-name> stop

3. Difference with ordinary system V init script

See the example below, pay attension to #chkconfig: 35 90 12 let chkconfig know: 35: run level 90: start priority 12: stop priority lock file is necessary. #!/bin/bash
#
# chkconfig: 35 90 12
# description: My server
#

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

start() {
        initlog -c "echo -n Starting my server: "
        /path/to/servicename &
    ### touch the lock file ###
        touch /var/lock/subsys/servicename
        success $"My server startup"
        echo
}

stop() {
        initlog -c "echo -n Stopping my server: "
        killproc servicename
    ### Remove the lock file ###
        rm -f /var/lock/subsys/servicename
        echo
}

case "$1" in
start)
        start
        ;;
stop)
        stop
        ;;
status)
        status servicename
        ;;
restart|reload|condrestart)
        stop
        start
        ;;
*)
        echo $"Usage: $0 {start|stop|restart|reload|status}"
        exit 1
esac

exit 0

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