[leandro@nuc ~]$ sudo systemd-analyze verify /etc/systemd/system/moonfire-nvr.service
/etc/systemd/system/moonfire-nvr.service:16: Failed to parse TimeoutStartSec= parameter, ignoring: 300 # large installations take a while to scan the sample file dirs
[leandro@nuc ~]$
Systemd syntax expects a comment in a single line, hence the parsing failure https://www.freedesktop.org/software/systemd/man/latest/systemd.syntax.html
Before;
After;