After restarting server, Nginx cannot automatically start
Symptoms
After restarting the server, Nginx cannot automatically start
Description
Whhen clicking the 'Restart' or 'Start' buttons, it displays error:
systemctl status nginx.service displays:
Jul 29 16:32:12 ubuntu-s-2vcpu-4gb-120gb-intel-sgp1-01 nginx[933]: nginx: configuration file /etc/nginx/nginx.conf test failed
Jul 29 16:32:12 ubuntu-s-2vcpu-4gb-120gb-intel-sgp1-01 systemd[1]: nginx.service: Control process exited, code=exited, status=1/FAILURE
Jul 29 16:32:12 ubuntu-s-2vcpu-4gb-120gb-intel-sgp1-01 systemd[1]: nginx.service: Failed with result 'exit-code'.
Jul 29 16:32:12 ubuntu-s-2vcpu-4gb-120gb-intel-sgp1-01 systemd[1]: Failed to start A high performance web server and a reverse proxy server.
Jul 29 16:32:12 ubuntu-s-2vcpu-4gb-120gb-intel-sgp1-01 systemd[1]: nginx.service: Unit cannot be reloaded because it is inactive.
Solution
There are errors in configuration files of one or more domains, and now after the reboot, nginx refuses to start.
Run this command to dispaly the exact error, file and even line number that causes problem:
nginx -t
You need to edit the specified lines in files, example with nano editor:
nano /etc/nginx/sites-enabled/DOMAIN_NAME.conf
then again validate nginx configuration and restart it:
nginx -t && service nginx restart
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