这里我的tomcat的安装路径为 /usr/local/tomcat

1 为tomcat添加自启动参数

catalina.sh在执行的时候会调用同级路径下的setenv.sh来设置额外的环境变量，因此在/usr/local/tomcat/bin路径下创建setenv.sh文件，内容如下：

export CATALINA_HOME=/usr/local/tomcat
export CATALINA_BASE=/usr/local/tomcat
#设置Tomcat的PID文件
CATALINA_PID="$CATALINA_BASE/tomcat.pid"
#添加JVM选项
JAVA_OPTS="-server -XX:PermSize=256M -XX:MaxPermSize=1024m -Xms512M -Xmx1024M -XX:MaxNewSize=256m"

2.编写tomcat.service文件

在/usr/lib/systemd/system路径下添加tomcat.service文件，内容如下：

[Unit]
Description=Tomcat
After=syslog.target network.target remote-fs.target nss-lookup.target

Environment="JAVA_HOME=/usr/local/java/jdk1.7"

[Service]
Type=forking
PIDFile=/usr/local/tomcat/tomcat.pid
ExecStart=/usr/local/tomcat/bin/startup.sh
ExecReload=/bin/kill -s HUP $MAINPID
ExecStop=/bin/kill -s QUIT $MAINPID
PrivateTmp=true

[Install]
WantedBy=multi-user.target

##[unit]配置了服务的描述，规定了在network启动之后执行，
##[service]配置服务的pid，服务的启动，停止，重启
##[install]配置了使用用户

[Unit]
Description=tomcat
After=network.target
[Service]
Type=oneshot
ExecStart=/usr/local/tomcat/bin/startup.sh
ExecStop=/usr/local/tomcat/bin/shutdown.sh
ExecReload=/bin/kill -s HUP $MAINPID
RemainAfterExit=yes
[Install]
WantedBy=multi-user.target

3.将tomcat 加入服务管理

systemctl enable tomcat.service
systemctl disable tomcat.service
systemctl start tomcat.service
systemctl stop tomcat.service

systemctl restart tomcat.service

centos7使用systemctl替换了service命令

1、查看服务

systemctl status name.service

启动服务

systemctl start name.service

停止服务

systemctl stop name.service

重启服务

systemctl restart name.service

增加开机启动

systemctl enable name.service

删除开机启动

systemctl disable name.service

# Only set CATALINA_HOME if not already set
[ -z "$CATALINA_HOME" ] && CATALINA_HOME=`cd "$PRGDIR/.." >/dev/null; pwd`

# Copy CATALINA_BASE from CATALINA_HOME if not already set
[ -z "$CATALINA_BASE" ] && CATALINA_BASE="$CATALINA_HOME"
CATALINA_PID="$CATALINA_BASE/tomcat.pid"

# Ensure that any user defined CLASSPATH variables are not used on startup,
# but allow them to be specified in setenv.sh, in rare case when it is needed.
CLASSPATH=

(2).设置权限

 
         chmod 754 tomcat.service

(3).启动关闭服务，设置开机启动

 
         #启动服务  
        
         systemctl start tomcat.service    
        
         #关闭服务    
        
         systemctl stop tomcat.service    
        
         #开机启动    
        
         systemctl enable tomcat.service

文章来源于：https://blog.csdn.net/u012351661/article/details/76254268，非常感谢博主。

阿里云centos 7 中tomcat 自启动

1 为tomcat添加自启动参数

2.编写tomcat.service文件

3.将tomcat 加入服务管理

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