Shell脚本_启动停止重启sh脚本

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#!/bin/sh   ## java env export JAVA_HOME=/usr/java/jdk1.7.0_79 export JRE_HOME=$JAVA_HOME/jre   ## service name ## 服务所在目录 SERVICE_DIR=/usr/local/services/dubbodemo ## 服务名称 SERVICE_NAME=dub-service-demo JAR_NAME=$SERVICE_NAME.jar PID=$SERVICE_NAME.pid   cd $SERVICE_DIR   case "$1" in       start)         ##nohup &  以守护进程启动         nohup $JRE_HOME/bin/java -Xms256m -Xmx512m -jar $JAR_NAME >/dev/null 2>&1 &         echo $! > $SERVICE_DIR/$PID         echo "=== start $SERVICE_NAME"         ;;       stop)         kill `cat $SERVICE_DIR/$PID`         rm -rf $SERVICE_DIR/$PID         echo "=== stop $SERVICE_NAME"           ## 停止5秒         sleep 5         ##         P_ID=`ps -ef | grep -w "$SERVICE_NAME" | grep -v "grep" | awk '{print $2}'`         if [ "$P_ID" == "" ]; then             echo "=== $SERVICE_NAME process not exists or stop success"         else             echo "=== $SERVICE_NAME process pid is:$P_ID"             echo "=== begin kill $SERVICE_NAME process, pid is:$P_ID"             kill -9 $P_ID         fi         ;;       restart)         $0 stop         sleep 2         $0 start         echo "=== restart $SERVICE_NAME"         ;;       *)         ## restart         $0 stop         sleep 2         $0 start         ;;   esac exit 0

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