Florian Klink 90a3908ec3 nixos/containers: use machinectl poweroff
Previously, we were storing the leader pid in a runtime file and
signalled SIGRTMIN+4 manually.

In systemd 219, the `machinectl poweroff` command was introduced, which
does that for us.
2019-12-30 22:28:53 +01:00
..
2019-12-21 18:46:15 +01:00