title: Nginx doesn't start
body: <pre><code>   Loaded: loaded (/usr/lib/systemd/system/nginx.service; disabled; vendor preset: disabled)
     Active: failed (Result: timeout) since Tue 2020-03-10 16:35:07 UTC; 9min ago
    Process: 5027 ExecStart=/usr/sbin/nginx (code=exited, status=0/SUCCESS)
    Process: 5023 ExecStartPre=/usr/sbin/nginx -t (code=exited, status=0/SUCCESS)
    Process: 5021 ExecStartPre=/usr/bin/rm -f /run/nginx.pid (code=exited, status=0/SUCCESS)
   Main PID: 25158 (code=exited, status=0/SUCCESS)
     CGroup: /system.slice/nginx.service
             ├─5029 nginx: master process /usr/sbin/nginx
             ├─5030 nginx: worker process
             ├─5031 nginx: worker process
             ├─5032 nginx: worker process
             ├─5033 nginx: worker process
             ├─5034 nginx: worker process
             ├─5035 nginx: worker process
             ├─5036 nginx: worker process
             ├─5037 nginx: worker process
             ├─5038 nginx: worker process
             ├─5039 nginx: worker process
             ├─5040 nginx: worker process
             ├─5041 nginx: worker process
             ├─5042 nginx: worker process
             ├─5043 nginx: worker process
             ├─5044 nginx: worker process
             ├─5045 nginx: worker process
             ├─5046 nginx: worker process
             ├─5047 nginx: worker process
             ├─5048 nginx: worker process
             ├─5049 nginx: worker process
             ├─5050 nginx: worker process
             ├─5051 nginx: worker process
             ├─5052 nginx: worker process
             └─5053 nginx: worker process
  
  Mar 10 16:33:37 ip-172-31-36-184.us-west-2.compute.internal systemd[1]: Starting The nginx HTTP and reverse proxy server...
  Mar 10 16:33:37 ip-172-31-36-184.us-west-2.compute.internal nginx[5023]: nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
  Mar 10 16:33:37 ip-172-31-36-184.us-west-2.compute.internal nginx[5023]: nginx: configuration file /etc/nginx/nginx.conf test is successful
  Mar 10 16:33:37 ip-172-31-36-184.us-west-2.compute.internal systemd[1]: PID file /run/nginx.pid not readable (yet?) after start.
  Mar 10 16:35:07 ip-172-31-36-184.us-west-2.compute.internal systemd[1]: nginx.service start operation timed out. Terminating.
  Mar 10 16:35:07 ip-172-31-36-184.us-west-2.compute.internal systemd[1]: Failed to start The nginx HTTP and reverse proxy server.
  Mar 10 16:35:07 ip-172-31-36-184.us-west-2.compute.internal systemd[1]: Unit nginx.service entered failed state.
  Mar 10 16:35:07 ip-172-31-36-184.us-west-2.compute.internal systemd[1]: nginx.service failed.
  </code></pre>
  
  <p>I have such error and I don't know how to solve this problem.
  I did all configurations but it still doesn't run.</p>