How to troubleshoot Linux app startup issues with the journalctl command

On the rare occasion that you find a Linux app or service isn't starting properly, there's a handy command ready to help you suss out the problem.

How to troubleshoot Linux app startup issues with the journalctl command
On the rare occasion that you find a Linux app or service isn't starting properly, there's a handy command ready to help you suss out the problem.