2c899859bf
Systemd in a container will call sd_notify when it has finished booting, so we can use that to signal that the container is ready. This does require some fiddling with $NOTIFY_SOCKET.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.