一个简单的启停服务脚本

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#!/bin/bash #chkconfig:2345 80 05 --指定在哪几个级别执行，0一般指关机，6指的是重启，其他为正常启动。80为启动的优先级，05为关闭的优先机 #description:gocron-node service RETVAL=0 start(){      GocronPid=`ps -ef|grep "/usr/local/gocron-node/gocron-node"|grep -v grep|awk -F " " '{print $2}'`      if [[ -z ${GocronPid} ]];then          echo "gocron-node serive ..."          su edit -c "nohup /usr/local/gocron-node/gocron-node >> /usr/local/gocron-node/node.log &"          echo  "gocron-node start successful!"      else          echo "gocron-node is already running...."      fi }   stop(){      GocronPid=`ps -ef|grep "/usr/local/gocron-node/gocron-node"|grep -v grep|awk -F " " '{print $2}'`      #echo ${GocronPid}      if [[ -z ${GocronPid} ]];then          echo  "gocron-node is not running!!!"      else          echo "gocron-node service is stoped..."          kill -9 ${GocronPid}          echo "gocron-node service stoped successful!"      fi }   status(){      processNum=0      processNum=`ps aux|grep "/usr/local/gocron-node/gocron-node"|grep -v grep|wc -l`      if [[ ${processNum} == 1 ]];then          echo "gocron-node is already running...${processNum}"      else          echo "gocron-node is not running .... $processNum}"      fi }     case $1 in     start)         start         ;;     stop)         stop         ;;     status)         status         ;;     restart)         stop         start         ;;     *)         echo $"Usage: $0 {start|stop|status|restart}"         exit 2 esac exit $RETVAL