SEAT sd-login (3) ID_MODEL= systemd.device (5) ID_MODEL_FROM_DATABASE= systemd.device ... SYSCTL{ kernel parameter } udev (7) SYSTEMD_ALIAS= systemd.device (5) SYSTEMD_MOUNT_OPTION…systemd.unit (5), systemd.service (5), systemd.socket (5), systemd.device (5), systemd.mount (5), systemd.automount (5), systemd.swap (5), systemd.targetautostart files systemd.automount (5) — Automount unit configuration systemd.device (5) — Device unit configuration systemd.directives (7) — Indexdatabase via the SYSTEMD_WANTS= property. See systemd.device (5) for details. Often, it is nicer