Using GNU Screen to Monitor Linux System Daemon Service
https://mikelev.in/blog/using-gnu-scr...
When you're writing Linux system services (called daemons), something easier and more useful in tech than you might think, it can be a challenge to actually know what's going on with the service. This is solved if you can actually watch the console (Terminal) output, which is doable if you make the service run from a special Screen terminal instead of directly.