diff --git a/bert/configuration.nix b/bert/configuration.nix
index 8277e24..3814822 100644
--- a/bert/configuration.nix
+++ b/bert/configuration.nix
@@ -6,6 +6,7 @@
       ./hardware-configuration.nix
       ./services/factorio.nix
       ./services/http/index.nix
+      ./services/minecraft.nix
       ./services/monitoring.nix
       ./services/forgejo.nix
       ./services/navidrome.nix
diff --git a/bert/services/factorio.nix b/bert/services/factorio.nix
index b6291ac..14747ff 100644
--- a/bert/services/factorio.nix
+++ b/bert/services/factorio.nix
@@ -4,7 +4,7 @@
   ];
   services.factorio = {
     enable = true;
-    package = (import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/aa2922b69f0245008d93e9edf9f34894db724d89.tar.gz") {
+    package = (import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/348ec8c846cce39c467cac90ddbbc9ce9bf61bd8.tar.gz") {
       config.allowUnfree = true;
     }).factorio-headless;
     openFirewall = true;
diff --git a/bert/services/minecraft.nix b/bert/services/minecraft.nix
new file mode 100644
index 0000000..962ea77
--- /dev/null
+++ b/bert/services/minecraft.nix
@@ -0,0 +1,25 @@
+{
+  services.minecraft-server = {
+    enable = true;
+    package = (import <nixpkgs> {
+      config.allowUnfree = true;
+    }).minecraft-server;
+    declarative = true;
+    eula = true;
+    dataDir = "/srv/minecraft";
+    openFirewall = true;
+    whitelist = {
+      # https://minecraft.wiki/w/Server#Whitelist
+      chandlerswift    = "1d933b23-bdf9-4f24-9c4c-e916b5df9f97";
+      villlater        = "ac160fee-e611-4a7c-b0a8-04cb1bbe850b";
+      LarryHorton      = "7d62d1dc-5998-4880-ba6f-c3a7021b8fd5";
+      IsaacSwift       = "a4291b69-4412-4c3e-bdbf-a9157f2a3df7";
+      MaterialG0rLz    = "63cf3db9-1771-454d-a9a9-75b202cc68df"; # Emily
+      Mayornnaise      = "3e93628f-eaeb-4fe3-9adc-88709e1d4ced"; # Jacob
+      Ripptide66       = "67f7d5e9-739e-46f9-99a6-a3a6d99a2b04"; # Hunter
+      RowdyPancake     = "ebdc4a28-4855-4bc9-bd8f-1624b4f587fa"; # Andrew
+      shalo123         = "5f34483c-40b4-4a68-a95d-5429f1f7711c"; # Jeff
+    };
+    serverProperties.white-list = true;
+  };
+}
diff --git a/bigbird/backups.nix b/bigbird/backups.nix
new file mode 100644
index 0000000..c6735e8
--- /dev/null
+++ b/bigbird/backups.nix
@@ -0,0 +1,28 @@
+{pkgs, ...}: {
+  services.restic.server = {
+    enable = true;
+    prometheus = true;
+    privateRepos = true;
+    dataDir = "/nas/chandler/backups/restic";
+    appendOnly = true;
+    extraFlags = [
+      "--prometheus-no-auth"
+    ];
+  };
+  services.restic.backups = {
+    remotebackup = {
+      initialize = true;
+      environmentFile = "/etc/secrets/restic_env";
+      passwordFile = "/etc/secrets/restic_pass";
+      paths = [
+        "/"
+      ];
+      repository = "rest:http://bigbird:8000/bert/"; #"b2:chandlerswift-bert-backup/";
+      pruneOpts = [
+        "--keep-daily 7"
+        "--keep-weekly 5"
+        "--keep-monthly 12"
+      ];
+    };
+  };
+}
diff --git a/bigbird/configuration.nix b/bigbird/configuration.nix
index 0bac923..ac7ed56 100644
--- a/bigbird/configuration.nix
+++ b/bigbird/configuration.nix
@@ -4,6 +4,7 @@
     [ # Include the results of the hardware scan.
       # <nixpkgs/nixos/modules/installer/sd-card/sd-image-aarch64.nix>
       ./hardware-configuration.nix
+      ./backups.nix
       ./kathe.nix
       ./smb.nix
     ];
@@ -31,6 +32,7 @@
   environment.systemPackages = with pkgs; [
     vim
     rsync
+    tmux
   ];
 
   services.openssh.enable = true;
@@ -49,7 +51,7 @@
   };
 
   # Open ports in the firewall.
-  # networking.firewall.allowedTCPPorts = [ ... ];
+  networking.firewall.allowedTCPPorts = [ 8000 ];
   # networking.firewall.allowedUDPPorts = [ ... ];
   # Or disable the firewall altogether.
   # networking.firewall.enable = false;
diff --git a/oscar/configuration.nix b/oscar/configuration.nix
index 44c472b..6cb71c6 100644
--- a/oscar/configuration.nix
+++ b/oscar/configuration.nix
@@ -178,7 +178,7 @@
 
       # Unfree:
       discord
-      (import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/aa2922b69f0245008d93e9edf9f34894db724d89.tar.gz") {
+      (import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/348ec8c846cce39c467cac90ddbbc9ce9bf61bd8.tar.gz") {
         config.allowUnfree = true;
       }).factorio-space-age
     ];