add ssh

hosts/atreus/configuration.nix

@@ -9,9 +9,10 @@
     vim # or some other editor, e.g. nano or neovim
 
     # Some common stuff that people expect to have
-    #procps
+    procps
     #killall
     #diffutils
+    inetutils
     findutils
     utillinux
     tzdata
@@ -34,6 +35,10 @@
     openssh
     just
     nh
+    (pkgs.writeShellScriptBin "sshd-start" ''
+      echo "Starting sshd on port 8022"
+      ${pkgs.openssh}/bin/sshd
+    '')
   ];
 
   # Backup etc files instead of failing to activate generation if a file already exists in /etc
@@ -49,4 +54,21 @@
 
   # Set your time zone
   #time.timeZone = "Europe/Berlin";
+
+  build.activation.sshd = ''
+    if [ ! -e /etc/ssh/ssh_host_rsa_key ]; then
+      $VERBOSE_ECHO "Generating host keys..."
+      $DRY_RUN_CMD ${pkgs.openssh}/bin/ssh-keygen -t ed25519 -a 32 -f "/etc/ssh/ssh_host_ed25519_key" -N ""
+    fi
+  '';
+
+  environment.etc."ssh/sshd_config".text = ''
+    AcceptEnv LANG LC_*
+    KbdInteractiveAuthentication no
+    PasswordAuthentication no
+    PermitRootLogin no
+    Port 8022
+    PrintMotd no
+  '';
+
 }