Ubuntu下设置Tomcat开机自动启动

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3.1 在/etc/init.d目录下新建tomcat文件

sudo cd /etc/init.d
sudo vi tomcat
3.2 添加启动、关闭、重启的shell脚本

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#!/bin/sh
### BEGIN INIT INFO
# Provides:	        tomcat
# Required-Start:	$remote_fs $network
# Required-Stop:	$remote_fs $network
# Default-Start:	2 3 4 5
# Default-Stop:		0 1 6
# Short Description:	the tomcat Java Application Server
### END INIT INFO
 
RETVAL=0
export JRE_HOME=/usr/lib/jvm/java-8-openjdk-amd64
export CATALINA_HOME=/home/xxx/apache-tomcat-9.0.11   # xxx为自己的用户名
export CATALINA_BASE=/home/xxx/apache-tomcat-9.0.11   # xxx为自己的用户名
 
start()
{
	if [ -f $CATALINA_HOME/bin/startup.sh ]
	then
	    echo $"Starting Tomcat"
		$CATALINA_HOME/bin/startup.sh
	    RETVAL=$?
	    echo "OK"
	    return $RETVAL
	fi
}
 
 
stop()
{
	if [ -f $CATALINA_HOME/bin/shutdown.sh ]
	then
	    echo $"Stopping Tomcat"
		$CATALINA_HOME/bin/shutdown.sh
	    RETVAL=$?
	    sleep 3
	    ps -fwwu tomcat | grep apache-tomcat | grep -v grep | grep -v PID | awk '{print $2}'| xargs kill -9
	    echo "OK"
	   return $RETVAL
	fi
}
 
 
case "$1" in
	start)
		start
		;;
	stop)
		stop
		;;
	restart)
		echo $"Restarting Tomcat"
		$0 stop
		sleep 3
		$0 start
		;;
	*)
		echo $"Usage:$0{start|stop|restart}"
		exit 1
		;;
esac
 
exit $RETVAL

3.3 保存退出，授予tomcat文件执行权限

chmod +x tomcat
3.4 使tomcat服务生效，并使能开机自启动，然后reboot重启，即可Tomcat开机自启动生效.
sudo systemctl daemon-reload #对于新创建的unit文件或修改了的unit文件，要通知systemd重载此配置文件；
sudo systemctl enable tomcat #使能开机自启动
sudo reboot
3.5 重启后，执行systemctl status tomcat看看tomcat服务的状态。
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root@localhost:~# systemctl status tomcat  
● tomcat.service
   Loaded: loaded (/etc/init.d/tomcat; bad; vendor preset: enabled)
   Active: active (running) since Thu 2018-08-23 21:54:25 PDT; 44s ago
     Docs: man:systemd-sysv-generator(8)
  Process: 811 ExecStart=/etc/init.d/tomcat start (code=exited, status=0/SUCCESS)
   CGroup: /system.slice/tomcat.service
           └─832 /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Djava.util.logging.config.file=/home/localhost/apache-tomcat-9.0.11/conf/logging.propertie
 
Aug 23 21:54:24 localhost systemd[1]: Starting tomcat.service...
Aug 23 21:54:25 localhost tomcat[811]: $Starting Tomcat
Aug 23 21:54:25 localhost tomcat[811]: Tomcat started.
Aug 23 21:54:25 localhost tomcat[811]: OK
Aug 23 21:54:25 localhost systemd[1]: Started tomcat.service.

作者：相信美好的事情将会发生
来源：CSDN
原文：https://blog.csdn.net/bbaaEE/article/details/82015155
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