centos7安装tomcat9，并配置自动启动

1.安装tomcat9

下载apache-tomcat-9.0.12.tar.gz，上传到服务器，在服务器新建/opt/tomcat目录，解压

tar -zxvf apache-tomcat-9.0.12.tar.gz

2.启动Tomcat服务

cd bin

./startup.sh

3.关闭Tomcat服务

./shutdown.sh

4. 查看Tomcat启动是否正常

   查看日志

cd logs

cat catalina.out

5.查看tomcat是否正常

http://127.0.0.1:8080

6.配置成服务，自动启动

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

[Unit]
Description=Tomcat
After=syslog.target network.target remote-fs.target nss-lookup.target
  
[Service]
Type=oneshot
ExecStart=/opt/tomcat/apache-tomcat-9.0.12/bin/startup.sh
ExecStop=/op/tomcat/apache-tomcat-9.0.12/bin/shutdown.sh
ExecReload=/bin/kill -s HUP $MAINPID
RemainAfterExit=yes
 
[Install]
WantedBy=multi-user.target

systemctl enable tomcat.service

systemctl start tomcat.service
systemctl stop tomcat.service
systemctl status tomcat.service
systemctl restart tomcat.service

7.修改8080端口到80

修改/opt/tomcat/apache-tomcat-9.0.12/conf/server.xml文件