diff --git a/README.md b/README.md
index d4fd028d..9b7c5aad 100644
--- a/README.md
+++ b/README.md
@@ -193,6 +193,42 @@ specialArgs = { inherit inputs; };
 };
 ```
 
+## Ubuntu
+```
+sudo apt install git vim curl
+curl -L https://nixos.org/nix/install | sh
+```
+
+make sure
+
+```
+if [ -e /home/cyryl/.nix-profile/etc/profile.d/nix.sh ]; then . /home/cyryl/.nix-profile/etc/profile.d/nix.sh; fi # added by Nix installer
+export NIX_PATH=$HOME/.nix-defexpr/channels${NIX_PATH:+:}$NIX_PATH
+``` is in `~/.profile`
+
+
+```
+reboot
+```
+
+```
+nix-shell '<home-manager>' -A install
+```
+
+```
+mkdir dev
+cd dev
+git clone https://git.sr.ht/~cyplo/dotfiles
+cd dotfiles
+```
+
+
+```
+ln -vfs /home/cyryl/dev/dotfiles/nixos/home-other-os.nix /home/cyryl/.config/nixpkgs/home.nix
+home-manager switch
+```
+
+
 ## guix
 
 I'm just starting to play with guix, these are just loose notes:
diff --git a/nixos/home-manager/programs/vim.nix b/nixos/home-manager/programs/vim.nix
index cb89d310..1aa3facc 100644
--- a/nixos/home-manager/programs/vim.nix
+++ b/nixos/home-manager/programs/vim.nix
@@ -1,7 +1,4 @@
-{ config, pkgs, inputs, ... }:
-let
-  unstable = inputs.nixpkgs-nixos-unstable.legacyPackages.${pkgs.system};
-in
+{ config, pkgs, ... }:
 {
   home.file.".vimrc".source = ../../../.vimrc.nixos;
   home.packages = with pkgs; [
@@ -15,7 +12,6 @@ in
     withNodeJs = true;
     withPython3 = true;
     withRuby = true;
-    package = unstable.neovim-unwrapped;
 
     plugins = with pkgs.vimPlugins; [
       ack-vim
diff --git a/nixos/home-other-os.nix b/nixos/home-other-os.nix
index 6f0d7e03..ddbae674 100644
--- a/nixos/home-other-os.nix
+++ b/nixos/home-other-os.nix
@@ -5,6 +5,10 @@ let
   dotfiles = "/home/cyryl/dev/dotfiles";
 in
 {
+  home.username = "cyryl";
+  home.homeDirectory = "/home/cyryl";
+  home.stateVersion = "21.11";
+
   nixpkgs.config = {
     allowUnfree = true;
     packageOverrides = pkgs: {
@@ -24,7 +28,6 @@ in
   imports = [
     ./git/home.nix
     ./home-manager/programs/tmux.nix
-    ./home-manager/programs/zsh.nix
     ./home-manager/links.nix
     ./home-manager/programs/vim.nix
   ];