啟動nginx的時候報錯
Job for nginx.service failed because the control process exited with error code. See "systemctl status nginx.service" and "journalctl -xe" for details.
考慮是端口占用：
```
ps -aux | grep nginx //檢查nginx是否已經(jīng)啟動
pkill -9 nginx //如果已經(jīng)啟動結束即可
systemctl start nginx.service //啟動
```
