cloud-init/ignitation and similar can parameterize the host with data they
acquire.
-* Add ConditionCredentialExists= or so, that allows conditionalizing services
- depending on whether a specific system credential is set. Usecase: a service
- similar to the ssh keygen service that installs any SSH host key supplied via
- system credentials into /etc/ssh.
-
* drop support for kernels that lack ambient capabilities support (i.e. make
4.3 new baseline). Then drop support for "!!" modifier for ExecStart= which
is only supported for such old kernels