diff --git a/configuration.nix b/configuration.nix
index eb5bae5..7e67d98 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -21,6 +21,8 @@ in
     };
   };
 
+  system.autoUpgrade.channel = "https://nixos.org/channels/nixos-unstable";
+
   imports =
     [ # Include the results of the hardware scan.
       ./hardware-configuration.nix
@@ -30,16 +32,17 @@ in
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
   boot.loader.efi.efiSysMountPoint = "/boot/efi";
+  boot.enableContainers = true;
 
   networking.hostName = "nix"; # Define your hostname.
-  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
 
   # Configure network proxy if necessary
   # networking.proxy.default = "http://user:password@proxy:port/";
   # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
 
   # Enable networking
-  networking.networkmanager.enable = true;
+  # networking.networkmanager.enable = true;
+  networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
 
   # Set your time zone.
   time.timeZone = "America/New_York";
diff --git a/fish.conf.nix b/fish.conf.nix
index 7a2375d..373be9c 100644
--- a/fish.conf.nix
+++ b/fish.conf.nix
@@ -28,9 +28,9 @@ alias ok='okular'
 alias ko='kitty .'
 alias du="du -h --total"
 
-#eza
-alias ls="eza"
-alias tree="eza --tree -I target"
+#exa
+alias ls="exa"
+alias tree="exa --tree -I target"
 
 # some more ls aliases
 # alias ls='ls --color=always'
diff --git a/flake.nix b/flake.nix
index b8ae7fc..1ed4d7f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -28,6 +28,7 @@
         home-manager.useUserPackages = true;
         home-manager.users.mbk = (import ./home.nix) conf;
       }
+      (nixpkgs + "/nixos/modules/installer/cd-dvd/installation-cd-minimal.nix")
     ];
   in
   {