centos 7安装jdk并封装service服务

systemctl stop firewalld.service
systemctl disable firewalld.service

mkdir /data
tar zxvf jdk-8u211-linux-x64.tar.gz -C /data/

vi /etc/profile

set java environment
JAVA_HOME=/data/jdk1.8.0_211/
JRE_HOME=/data/jdk1.8.0_211/jre     
CLASS_PATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib
PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
export JAVA_HOME JRE_HOME CLASS_PATH PATH

source /etc/profile

# java -version
java version "1.8.0_211"
Java(TM) SE Runtime Environment (build 1.8.0_211-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.211-b12, mixed mode)

mkdir /data/rds/

 java -jar /data/rds/RDS.jar

vim /etc/init.d/rds

#!/bin/bash
#
# auditd        Start jar package
#
# chkconfig: 2345 11 88
# description: This is rds project
 
####### jar file path
export PROJECT_HOME=/data/rds/
export PROJECT_NAME=RDS
#######

####### Start command
export START="source /etc/profile && cd $PROJECT_HOME;nohup java -jar ${PROJECT_HOME}/${PROJECT_NAME}.jar > output.log 2>&1 &"

stop_jar(){
    for i in $(ps -aux|grep $PROJECT_NAME|grep -v grep|awk '{print $2}');do
        kill -9 $i;
    done
}

case "$1" in
start)
        echo "Starting $PROJECT_NAME"
        eval $START
        ;;
 
stop)
        echo "Stop $PROJECT_NAME"
        stop_jar
        ;;
restart)
        echo "Stop $PROJECT_NAME..."
        stop_jar
        echo "Starting $PROJECT_NAME"
        eval $START
        ;;
esac

cd /usr/lib/systemd/system/
vim rds.service

[Unit] 
Description=rds - rds web server 
After=network.target remote-fs.target nss-lookup.target

[Service] 
Type=forking 
ExecStart=/etc/init.d/rds start
ExecStop=/etc/init.d/rds stop
PrivateTmp=true

[Install] 
WantedBy=multi-user.target

systemctl daemon-reload

systemctl restart rds

ps -aux|grep RDS

systemctl enable rds