permafrost: enable swap

hosts/permafrost/hardware-configuration.nix

@@ -26,7 +26,11 @@
       fsType = "vfat";
     };
 
-  swapDevices = [ ];
+  swapDevices = [{
+    device = "/swap";
+    size = 16 * 1024;
+  }];
+  zramSwap.enable = true;
 
   boot.loader.efi.canTouchEfiVariables = true;
   boot.loader.grub = {

modules/motd.nix

@@ -19,17 +19,14 @@ in
       "uptime"
       "s_s_l_certs"
       "filesystems"
+      "memory"
       "docker"
       "service_status"
       "last_login"
     ];
     programs.rust-motd.settings = {
-      uptime = {
-        prefix = "up";
-      };
-      filesystems = {
-        root = "/";
-      };
+      uptime.prefix = "up";
+      filesystems.root = "/";
       service_status = {
         Foundry = "foundry";
         Nginx = "nginx";
@@ -45,9 +42,8 @@ in
           "scarlet.zynh.me" = "${config.security.acme.certs.permafrost.directory}/fullchain.pem";
         };
       };
-      last_login = {
-        ravenshade = 3;
-      };
+      memory.swap_pos = "beside";
+      last_login.ravenshade = 3;
       last_run = { };
     };
   };