Question

Can't start Nginx - Job for nginx.service failed

Hello,

This is my fist droplet and I’ve followed all the steps for the initial server setup with Ubuntu, how to setup a firewall with ufw, I’ve installed Nginx and it worked. Then I’ve installed MariaDb and started it, everything was ok, and after I’ve installed PHP I’ve followed “Step Four — Configure Nginx to Use our PHP Processor” from here: https://www.digitalocean.com/community/tutorials/how-to-install-linux-nginx-mysql-php-lemp-stack-on-ubuntu-14-04 (although I have Ubuntu 15.04 x64 on my droplet) Did “sudo nano /etc/nginx/sites-available/default” and put the same setup it is in their example, but after “sudo service nginx restart” couldn’t restart the Nginx, I’m getting:

myusername@droplet1:~$ sudo service nginx restart
Job for nginx.service failed. See "systemctl status nginx.service" and "journalctl -xe" for details.
myusername@droplet1:~$ systemctl status nginx.service
● nginx.service - A high performance web server and a reverse proxy server
   Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Wed 2015-08-12 20:16:25 CEST; 23s ago
  Process: 24221 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_process on; (code=exited, status=1/FAILURE)
 Main PID: 17425 (code=exited, status=0/SUCCESS)
myusername@droplet1:~$ journalctl -xe
Hint: You are currently not seeing messages from other users and the system.
      Users in the 'systemd-journal' group can see all messages. Pass -q to
      turn off this notice.
--
-- The start-up result is done.
Aug 12 18:43:25 droplet1.mysite.com systemd[15692]: Starting Shutdown.
-- Subject: Unit UNIT has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit UNIT has begun starting up.
Aug 12 18:43:25 droplet1.mysite.com systemd[15692]: Starting Exit the Session..
-- Subject: Unit UNIT has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit UNIT has begun starting up.
Aug 12 18:43:25 droplet1.mysite.com systemd[15692]: Received SIGRTMIN+24 from P
Aug 12 18:43:34 droplet1.mysite.com systemd[16747]: Trying to run as user insta
Aug 12 18:43:34 droplet1.mysite.com systemd[16748]: pam_unix(systemd-user:sessi
Aug 12 18:46:06 droplet1.mysite.com sudo[16790]: pam_unix(sudo:auth): authentic
Aug 12 19:40:45 droplet1.mysite.com systemd[21873]: Trying to run as user insta
Aug 12 19:41:20 droplet1.mysite.com sudo[21907]: pam_unix(sudo:auth): authentic
Aug 12 20:04:23 droplet1.mysite.com systemd[24038]: Trying to run as user insta
Aug 12 20:09:59 droplet1.mysite.com systemd[24109]: Trying to run as user insta
Aug 12 20:15:47 droplet1.mysite.com systemd[24180]: Trying to run as user insta
lines 1142-1164/1164 (END)

Anyone have an idea about what happens?

Thanks!

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Glad to hear you got it working!

In the future, here’s something that might come in useful. You can check the syntax of Nginx’s configuration files by running:

  1. nginx -t -c /etc/nginx/nginx.conf

The error output will give you a hint at what the problem is as well as the line number.

Try to run the following two commands:

sudo fuser -k 80/tcp

sudo fuser -k 443/tcp

Then execute

sudo service nginx restart

https://stackoverflow.com/questions/35868976/nginx-not-started-and-cant-start/51684856#51684856

Hello,

In addition to what has already been mentioned, I would recommend following these steps in case that you are having any problems with your nginx server and you are unsure on what the problem is:

  • Check if nginx is running:
systemctl status nginx

If nginx is running you should see something like this:

● nginx.service - The nginx HTTP Server
   Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
   Active: active (running) since Tue 2019-11-19 09:37:46 UTC; 2 days ago
     Docs: https://httpd.nginx.org/docs/2.4/

If nginx is not running then the output would look like this:

● nginx.service - The nginx HTTP Server
   Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
   Active: inactive (dead) since Fri 2019-11-22 08:41:01 UTC; 39s ago
     Docs: https://httpd.nginx.org/docs/2.4/
  • If nginx is not running you could start it with:
systemctl start nginx

Then check the status agian and make sure that nginx remains running.

  • If nginx did not start after a reboot, you could enable it so that it starts after the next reboot:
systemctl enable nginx
  • Check your nginx config syntax:
nginx -t

If you get an error, you would need to fix that problem and then you could restart nginx:

systemctl restart nginx
  • If you get Syntax OK when running nginx -t then your confiruation is correct, so I would recommend checking your error logs:
tail -f /var/log/nginx/error.log
  • Check the permissions of the files and folders in your document root:

Find the user that your nginx service is running as:

ps auxf | grep nginx

If you are using Ubuntu, the user should be www-data, so you would need to make sure that your files and folders are owned by that user, so nginx could read and write to those files:

chown -R www-data:www-data /var/www/yourdomain.com
  • Check if nginx is binding to the default ports:
netstat -plant | grep '80\|443'
  • Check if ufw allows TCP connections on port 80 and 443:
ufw status

If this is the case, you can follow the steps from this article here on how to configure your ufw:

https://www.digitalocean.com/community/tutorials/how-to-set-up-a-firewall-with-ufw-on-ubuntu-18-04

That is pretty much it, with all of the above information you should be able to narrow down the problem.

For more information I would suggest checking out this article here:

https://www.digitalocean.com/community/tutorials/how-to-troubleshoot-common-site-issues-on-a-linux-server

Hope that this helps! Regards, Bobby Source: How to Troubleshoot Common Nginx Issues on Linux Server?