Update README and set timezone

README.md

@@ -7,8 +7,24 @@ This repo contains my personal dotfiles and configurations for my computers.
 I use NixOS as my main OS, and for that I have written a few modules in [`nixos/modules`](./nixos/modules).
 Are those settings perfect? No, but they are my opinionated defaults. :stuck_out_tongue_winking_eye:
 
-*Build-Command Example:*
+## Useful Commands
+
+*Generate Hash For Password File*
 
 ```bash
-sudo nixos-rebuild switch --flake '.#kevin-tp' --impure
+mkpasswd -m sha-512
+```
+
+*Edit / Create SOPS File*
+
+```bash
+cd nixos
+nix-shell -p sops --run "EDITOR=vim sops shared/secrets/passwords.yaml"
+```
+
+*Create New AGE-Key*
+
+```bash
+mkdir -p ~/.config/sops/age
+nix-shell -p age --run "age-keygen -o ~/.config/sops/age/keys.txt"
 ```

nixos/modules/common.nix

@@ -1,10 +1,12 @@
-{ pkgs, ... }: {
+{ pkgs, lib, ... }: {
   imports = [ ./ssh.nix ];
 
   nixpkgs.config.allowUnfree = true;
   i18n.defaultLocale = "en_US.UTF-8";
   kevin.ssh.server.enable = true;
 
+  time.timeZone = lib.mkDefault "Europe/Berlin";
+
   console = {
     font = "Lat2-Terminus16";
     keyMap = "de";