nixos: fix linux containers (systemd-nspawn, lxc, lxc-libvirt)

- Make dhcp work, use dhcpcd without udev in container
- Make login shell work, patch getty to not wait for /dev/tty0
- Make ssh work, sshd/pam do not start session

2 files changed, 2 insertions, 2 deletions

diff --git a/nixos/modules/services/networking/dhcpcd.nix b/nixos/modules/services/networking/dhcpcd.nix
index d4ec96a18f6..37f607b0815 100644
--- a/nixos/modules/services/networking/dhcpcd.nix
+++ b/nixos/modules/services/networking/dhcpcd.nix
@@ -4,7 +4,7 @@ with pkgs.lib;
 
 let
 
-  inherit (pkgs) dhcpcd;
+  dhcpcd =  if !config.boot.isContainer then pkgs.dhcpcd else pkgs.dhcpcd_without_udev;
 
   # Don't start dhcpcd on explicitly configured interfaces or on
   # interfaces that are part of a bridge.
diff --git a/nixos/modules/services/networking/ssh/sshd.nix b/nixos/modules/services/networking/ssh/sshd.nix
index 85b6ab1efec..537fe0848ea 100644
--- a/nixos/modules/services/networking/ssh/sshd.nix
+++ b/nixos/modules/services/networking/ssh/sshd.nix
@@ -285,7 +285,7 @@ in
     networking.firewall.allowedTCPPorts = cfg.ports;
 
     security.pam.services.sshd =
-      { startSession = true;
+      { startSession = !config.boot.isContainer;
         showMotd = true;
         unixAuth = cfg.passwordAuthentication;
       };