Find your Ghost log files in
/content/logs/ to identify if the problem exists with Ghost itself, or the process manager.How To Resolve Errors When Running Ghost Start
If an error occurs when trying to run ghost start or ghost restart, try using ghost run first to check that Ghost can start successfully. The start and restart commands are talking to your process manager (e.g. systemd) which can hide underlying errors from Ghost.
Find your Ghost log files in