How to restart nginx after changing the configuration?

To restart the nginx service, you can follow these steps:

1. Check if there are any syntax errors in the nginx configuration file.
2. Check the syntax of the nginx configuration file with elevated privileges.
3. If the configuration file is error-free, restart the nginx service with the following command:
4. Restart the nginx service using sudo.
5. After waiting for a while, restarting the nginx service will make the configuration changes take effect.

Additionally, you can use the following commands to stop and start the nginx service:

1. Stop the nginx service by running the command: sudo service nginx stop.
2. Start the nginx service:
   sudo service nginx start