cd /etc/systemd/system
vi start-xxx.service
Description=start-xxx After=syslog.target network.target remote-fs.target nss-lookup.target redis.service nacos.service //启动顺序，哪个之后 [Service] Type=simple ExecStart=/usr/bin/nohup /home/xxx/jdk/jdk1.8.0_202/bin/java -Xms1024m -Xmx1024m -Dfile.encoding=UTF-8 -jar /home/xxx/jar/xxx.jar > /dev/null 2>&1 & [Install] WantedBy=multi-user.target
#开机自启动
systemctl enable redis