{ config, pkgs, ... }: { time.timeZone = "Asia/Kolkata"; security = { sudo.enable = false; doas = { enable = true; extraRules = [ { users = [ ]; keepEnv = true; persist = true; } ]; }; }; programs = { gnupg = { agent = { enable = true; pinentryFlavor = "curses"; }; }; }; nix = { package = pkgs.nixUnstable; extraOptions = '' experimental-features = nix-command flakes ''; settings.trusted-users = [ "root" ]; }; }