diff --git a/home.nix b/home.nix
index 36d8bd2..f4c3078 100644
--- a/home.nix
+++ b/home.nix
@@ -11,6 +11,12 @@
   # Let Home Manager install and manage itself
   programs.home-manager.enable = true;
 
+  # Configure PATH for all shells, including non-interactive ones
+  home.sessionPath = [
+    "${config.home.homeDirectory}/.nix-profile/bin"
+    "/nix/var/nix/profiles/default/bin"
+  ];
+
   # Nix configuration
   nix = {
     enable = true;
@@ -21,8 +27,16 @@
     };
   };
 
+  # Set environment variables for all shells
+  home.sessionVariables = {
+    NIX_PATH = "${config.home.homeDirectory}/.nix-defexpr/channels:nixpkgs=$HOME/.nix-defexpr/channels/nixpkgs";
+    # Pre-set NIX_SOURCED to avoid duplicate sourcing
+    NIX_SOURCED = "1";
+  };
+
   # Packages to install
   home.packages = with pkgs; [
+    eza
   ];
 
   # Bash configuration
@@ -43,6 +57,10 @@
       fi
     '';
 
+    shellAliases = {
+      "hm-up" = "nix run github:nix-community/home-manager/release-25.05 -- switch --no-write-lock-file --refresh --flake  'git+https://g.t1.xyz/tb/nix-ebay-home.git#tbingmann'";
+    };
+
     # History configuration
     historyControl = [
       "erasedups"