Earlier quoted context omitted.
The follow argument is identical to tail `-f`. `sudo journalctl -f -u `
And what would be the equivalent to, "Oh, I don´t know the name of the log for this process I can see in 'ps aux', let me cd into /var/log and see what filenames I can find ... or grep everything until I can find a couple of words that make some sense so I can keep digging further"? The lack of explorability in journalctl, the "need" to keep everything locked behind their own flavor of tools and magic file types, is…
# journalctl -f _PID=${your_pid} # option 1
# systemctl status ${your_pid} # option 2
[1]: https://www.freedesktop.org/software/systemd/man/latest/jour...[2]: https://www.freedesktop.org/software/systemd/man/latest/syst...