Failed to start LSB: starts the nginx web server. 解决方法

linux下 nginx 报错 Failed to start LSB: starts the nginx web server.

查询nginx主进程号

1、命令：ps -ef | grep nginx

ps -ef | grep nginx

2、 kill 重复的进程- 命令kill

kill 29669

3、重启nginx

systemctl restart nginx
systemctl status nginx

4、OK，一切恢复正常！