Some warnings when grafana service starts at system boot

[ 4.671225] systemd[1]: /usr/lib/systemd/system/grafana-server.service:26: Unknown lvalue ‘ProtectClock’ in section ‘Service’, ignoring
[ 4.683540] systemd[1]: /usr/lib/systemd/system/grafana-server.service:29: Unknown lvalue ‘ProtectHostname’ in section ‘Service’, ignoring
[ 4.696082] systemd[1]: /usr/lib/systemd/system/grafana-server.service:30: Unknown lvalue ‘ProtectKernelLogs’ in section ‘Service’, ignoring
[ 4.708794] systemd[1]: /usr/lib/systemd/system/grafana-server.service:33: Unknown lvalue ‘ProtectProc’ in section ‘Service’, ignoring
[ 4.721029] systemd[1]: /usr/lib/systemd/system/grafana-server.service:39: Unknown lvalue ‘RestrictSUIDSGID’ in section ‘Service’, ignoring

  1. It is just a warning so I would ignore it. I would concerned if it was an error
  2. Check this out
    Options for hardening systemd service units · GitHub

A lot of this warnings are unrelated to grafana and more related to the way you configured the grafana service in what looks like Linux