查看jenkins是否运行: systemctl status jenkins.service 查看运行日志: journalctl -xe 启动命令: systemctl start jenkins 查看状态: systemctl status jenkins 修改文件后重新加载:systemctl daemon-reload

修改端口号: vim /etc/init.d/jenkins –httpPort=8091 vim /usr/lib/systemd/system/jenkins.service Environment=“JENKINS_PORT=8091”

查看某个应用所在目录: find / -name 应用名 (find / -name nginx) /usr/lib/jvm/java-11-openjdk-arm64

systemctl命令 启动一个服务:systemctl start nginx.service 关闭一个服务:systemctl stop postfix.service 重启一个服务:systemctl restart nginx.service 显示一个服务的状态:systemctl status postfix.service 在开机时启用一个服务:systemctl enable nginx.service 在开机时禁用一个服务:systemctl disable nginx.service 查看服务是否开机启动:systemctl is-enabled nginx.service 查看已启动的服务列表:systemctl list-unit-files|grep enabled 查看启动失败的服务列表:systemctl --failed 列出所有的系统服务:systemctl ​​​列出所有启动unit:systemctl list-units 列出所有启动文件:systemctl list-unit-files 过滤查看启动项:systemctl list-unit-files | grep enable 过滤查看某服务的状态:systemctl list-unit-files | grep sshd

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