{
  config,
  pkgs,
  lib,
  inputs,
  ...
}: {
  nixpkgs = {
    config = {
      allowUnfree = true;
    };
  };

  environment = {
    systemPackages = with pkgs; [
      borgbackup
      # btrfs-progs # utils for btrfs
      doggo # DNS Resolver
      du-dust
      ncdu
      duf # dfc alternative
      lsd # eza alternative
      bat # cat alternative
      pstree

      # age key encryption
      ssh-to-age
      age
      sops

      # monitoring
      btop
      htop
      glances
      nmap
      bandwhich
      lsof

      gping

      gnupg
      # hdparm
      inxi # hardware list
      kitty.terminfo

      tre-command

      # nix
      nil # nix language server
      nix-tree # like ncdu for nix store
      nixd # nix diff
      alejandra # nix formating

      parallel
      pciutils
      progress
      unixtools.xxd
      # usbutils
      wget

      broot
      git-secret
      neofetch
      ranger # terminal filemanager

      unrar
      unzip

      ffmpeg
      yt-dlp # to download youtube stuff
      gocryptfs # file encryption
      sshfs
      tealdeer # shorter man pages
      man-pages
      man-pages-posix
    ];
  };

  programs = {
    ssh.knownHosts = {
      "github.com" = {
        hostNames = ["github.com"];
        publicKey = "ssh-rsa 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";
      };

      "github.com-2" = {
        hostNames = ["github.com"];
        publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOMqqnkVzrm0SdG6UOoqKLsabgH5C9okWi0dh2l9GKJl";
      };

      "github.com-3" = {
        hostNames = ["github.com"];
        publicKey = "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBEmKSENjQEezOmxkZMy7opKgwFB9nkt5YRrYMjNuG5N87uRgg6CLrbo5wAdT/y6v0mKV0U2w0WZ2YB/++Tpockg=";
      };

      "u278697.your-storagebox.de" = {
        hostNames = ["[u278697.your-storagebox.de]:23"];
        publicKey = "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA5EB5p/5Hp3hGW1oHok+PIOH9Pbn7cnUiGmUEBrCVjnAw+HrKyN8bYVV0dIGllswYXwkG/+bgiBlE6IVIBAq+JwVWu1Sss3KarHY3OvFJUXZoZyRRg/Gc/+LRCE7lyKpwWQ70dbelGRyyJFH36eNv6ySXoUYtGkwlU5IVaHPApOxe4LHPZa/qhSRbPo2hwoh0orCtgejRebNtW5nlx00DNFgsvn8Svz2cIYLxsPVzKgUxs8Zxsxgn+Q/UvR7uq4AbAhyBMLxv7DjJ1pc7PJocuTno2Rw9uMZi1gkjbnmiOh6TTXIEWbnroyIhwc8555uto9melEUmWNQ+C+PwAK+MPw==";
      };

      "u278697.your-storagebox.de-2" = {
        hostNames = ["[u278697.your-storagebox.de]:23"];
        publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIICf9svRenC/PLKIL9nk6K/pxQgoiFC41wTNvoIncOxs";
      };

      "u278697.your-storagebox.de-3" = {
        hostNames = ["[u278697.your-storagebox.de]:23"];
        publicKey = "ecdsa-sha2-nistp521 AAAAE2VjZHNhLXNoYTItbmlzdHA1MjEAAAAIbmlzdHA1MjEAAACFBAGK0po6usux4Qv2d8zKZN1dDvbWjxKkGsx7XwFdSUCnF19Q8psHEUWR7C/LtSQ5crU/g+tQVRBtSgoUcE8T+FWp5wBxKvWG2X9gD+s9/4zRmDeSJR77W6gSA/+hpOZoSE+4KgNdnbYSNtbZH/dN74EG7GLb/gcIpbUUzPNXpfKl7mQitw==";
      };
    };
  };
}