linux服务启动脚本案例

cat >> /etc/init.d/rinetd <<'EOF'
#!/bin/bash
EXEC=/usr/sbin/rinetd
CONF=/etc/rinetd.conf
PID_FILE=/var/run/rinetd.pid
NAME=Rinetd
DESC="Rinetd Server"
case "$1" in
    start)
        if [ -x "$PID_FILE" ]; then
            echo "$NAME is running ..."
            exit 0
        fi
        $EXEC -c $CONF
        echo -e "\e[1;32m$NAME is running\e[0m"
    ;;
    stop)
        if [ -f "$PID_FILE" ]; then
            kill `cat $PID_FILE`
            while [ -x "$PID_FILE" ]
            do
                echo "Waiting for $NAME to shutdown..."  
                sleep 1
            done
            rm -f $PID_FILE
        fi
        echo -e "\e[1;31m$NAME stopped.\e[0m"
    ;;
    restart)
        $0 stop
        $0 start
    ;;
    status)
        if [ -f $PID_FILE ]; then
            echo "$NAME is running ..."
        else
            echo "$NAME stopped."
        fi
    ;;
    *)
        echo $"Usage: $0 {start|stop|restart|status}"
        exit 2
    ;;
esac
exit 0
EOF