ob for nginx.service failed because the control process exited with error code. See "systemctl status nginx.service" and "journalctl -xe" for details.

To troubleshoot the error message you encountered, "Job for nginx.service failed because the control process exited with error code," you can follow the steps below:

1. Run the command systemctl status nginx.service to get detailed information about the status of the nginx service. This command will provide you with information about the service, including any error messages or logs related to the failure.

2. Additionally, you can run the command journalctl -xe to access the system log and check for any relevant error messages or logs related to the nginx service. This command will display the system journal, including any error messages or logs that might provide insights into the cause of the failure.

By using these commands, you will be able to gather detailed information about the specific error that caused the failure of the nginx service. This information will help you identify the root cause of the issue and take appropriate steps to resolve it.