about the syntax of time spans, see systemd.time (7). If a timer configured with OnBootSec ... wallclock) timers with calendar event expressions. See systemd.time (7) for more info…other units may be specified, see systemd.time (7). The default is "infinity" (job timeouts disabled ... other units may be specified, see systemd.time (7). The special value "infi…used (see systemd.time (7) for details). Note that if no time unit is specified ... units: "s", "min", "h", "ms", "us". See systemd.time (7) for details. The default settingsunit such as "ms" or "μs", see systemd.time (7) for details on the permitted syntax ... unit such as "ms" or "μs", see systemd.time (7) for details on the permitted syntaxabout the syntax of time spans, see systemd.time (7). Added in version 252. DesignatedMaintenanceTime= Specifies ... about the syntax of calendar events, see systemd.time (7). Adde…about the syntax of time spans, see systemd.time (7). Added in version 252. DesignatedMaintenanceTime= Specifies ... about the syntax of calendar events, see systemd.time (7). Adde…defaults to 2s. See systemd.time (7) for details on the various time units understooddefaults to 2s (See systemd.time (7) for details on the various time units understoodnetwork with its protocol information. See systemd.time (7) for more information. Added in versionNAME systemd-system.conf, system.conf