95be59f907
This new passive target is supposed to be pulled in by SSH implementations and should be reached when remote SSH access is possible. The idea is that this target can be used as indicator for other components to determine if and when SSH access is possible. One specific usecase for this is the new sd_notify() logic in PID 1 that sends its own supervisor notifications whenever target units are reached. This can be used to precisely schedule SSH connections from host to VM/container, or just to identify systems where SSH is even available.
System and Service Manager
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