diff --git a/.sops.yaml b/.sops.yaml
new file mode 100644
index 0000000..3f5a435
--- /dev/null
+++ b/.sops.yaml
@@ -0,0 +1,83 @@
+# This example uses YAML anchors which allows reuse of multiple keys 
+# without having to repeat yourself.
+# Also see https://github.com/Mic92/dotfiles/blob/master/nixos/.sops.yaml
+# for a more complex example.
+keys:
+  - &dominik age16veg3fmvpfm7a89a9fc8dvvsxmsthlm70nfxqspr6t8vnf9wkcwsvdq38d
+  - &tuxedo age17c4swm58zt07axl5u6kkxrwtr5haqkvu4ye4t98qdph98qdclgtq2cyzkq
+  - &git-server age106n5n3rrrss45eqqzz8pq90la3kqdtnw63uw0sfa2mahk5xpe30sxs5x58
+  - &web-01-server age1y6lvl5jkwc47p5ae9yz9j9kuwhy7rtttua5xhygrgmr7ehd49svsszyt42
+  - &home-assistant-server age1ezq2j34qngky22enhnslx6hzh4ekwk8dtmn6c9us0uqxqpn7hgpsspjz58
+  - &ldap-server-test age1azmxsw5llmp2nnsv3yc2l8paelmq9rfepxd8jvmswgsmax0qyyxqdnsc7t
+  - &testmodules age1zkzpnfeakyvg3fqtyay32sushjx2hqe28y6hs6ss7plemzqjqa5s6s5yu3
+  - &ldap-server-arm age1jyeppc8yl2twnv8fwcewutd5gjewnxl59lmhev6ygds9qel8zf8syt7zz4
+  - &netboot age14uarclad0ty5supc8ep09793xrnwkv8a4h9j0fq8d8lc92n2dadqkf64vw
+creation_rules:
+  - path_regex: ^[^/]+\.yaml$
+    key_groups:
+    - age:
+      - *tuxedo
+      - *dominik
+  - path_regex: computers/git.cloonar.com/[^/]+\.yaml$
+    key_groups:
+    - age:
+      - *dominik
+      - *git-server
+  - path_regex: computers/web-01.cloonar.com/[^/]+\.yaml$
+    key_groups:
+    - age:
+      - *dominik
+      - *web-01-server
+  - path_regex: computers/home-assistant.cloonar.com/[^/]+\.yaml$
+    key_groups:
+    - age:
+      - *dominik
+      - *home-assistant-server
+  - path_regex: computers/ldap.cloonar.com/[^/]+\.yaml$
+    key_groups:
+    - age:
+      - *dominik
+      - *ldap-server-arm
+      - *ldap-server-test
+  - path_regex: modules/lego/[^/]+\.yaml$
+    key_groups:
+    - age:
+      - *dominik
+      - *git-server
+      - *web-01-server
+      - *home-assistant-server
+      - *ldap-server-arm
+      - *ldap-server-test
+      - *testmodules
+      - *netboot
+  - path_regex: modules/bitwarden/[^/]+\.yaml$
+    key_groups:
+    - age:
+      - *dominik
+      - *web-01-server
+  - path_regex: modules/drone/[^/]+\.yaml$
+    key_groups:
+    - age:
+      - *dominik
+      - *git-server
+  - path_regex: modules/zammad/[^/]+\.yaml$
+    key_groups:
+    - age:
+      - *dominik
+      - *web-01-server
+  - path_regex: modules/plausible/[^/]+\.yaml$
+    key_groups:
+    - age:
+      - *dominik
+      - *web-01-server
+  - path_regex: modules/openldap/[^/]+\.yaml$
+    key_groups:
+    - age:
+      - *dominik
+      - *ldap-server-arm
+      - *ldap-server-test
+  - path_regex: modules/home-assistant/[^/]+\.yaml$
+    key_groups:
+    - age:
+      - *dominik
+      - *home-assistant-server
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..7f106e2
--- /dev/null
+++ b/README.md
@@ -0,0 +1,28 @@
+# 1. Installation of new servers
+- install ubuntu 20.04
+- get age key from SSH
+```console
+$ nix-shell -p ssh-to-age --run 'ssh-keyscan example.com | ssh-to-age'
+```
+- fix secrets files
+```console
+$ sops': nix-shell -p sops --run "sops updatekeys -y secrets.yaml"
+```
+- run install command
+```console
+$ ./install.sh example.com
+```
+
+# 2. Web Server specific
+- change the permissions for /var/www
+```console
+$ chown nginx:nginx /var/www
+$ chmod 755 /var/www
+```
+
+# 3. Net data
+- Netdata data page: Add a node
+- Once you got the token, we will claim it to associate it to a node:
+- create /var/lib/netdata/cloud.d/token and write the token in it
+- run nix-shell -p netdata --run "netdata-claim.sh -id=$(uuidgen)" as root
+- your node should be registered in Netdata cloud
diff --git a/hosts/nb-epicenter/configuration.nix b/hosts/nb-epicenter/configuration.nix
new file mode 100644
index 0000000..be3d3e3
--- /dev/null
+++ b/hosts/nb-epicenter/configuration.nix
@@ -0,0 +1,209 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ config, pkgs, ... }:
+{
+  nixpkgs.config.allowUnfree = true;
+
+  imports =
+    [ # Include the results of the hardware scan.
+      ./utils/modules/clevis.nix
+      
+      ./utils/modules/sops.nix
+      ./utils/modules/nur.nix
+      ./utils/modules/sway/sway.nix
+      # ./modules/gnome.nix
+      ./utils/modules/nvim/default.nix
+      ./utils/modules/tuxedo.nix
+      ./utils/modules/autoupgrade.nix
+
+      # ./pkgs/howdy/howdy-module.nix
+      # ./pkgs/howdy/ir-toggle-module.nix
+
+      # ./modules/howdy
+
+      ./hardware-configuration.nix
+    ];
+
+  nixpkgs.overlays = [ (import ./overlays/packages.nix) ];
+
+  # security.sudo.wheelNeedsPassword = false;
+  services.clevis.uuid = "7435d48f-f942-485b-9817-328ad3fc0b93";
+
+  # nixos cross building qemu
+  boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
+  boot.supportedFilesystems = [ "ntfs" ];
+  boot.plymouth.enable = true;
+  boot.plymouth.theme = "breeze";
+  boot.kernelParams = ["quiet"];
+  # boot.loader.systemd-boot.netbootxyz.enable = true;
+  # boot.plymouth.themePackages = [ pkgs.nixos-bgrt-plymouth ];
+  # boot.plymouth.theme = "nixos-bgrt";
+  # allow hibernation
+  security.protectKernelImage = false;
+
+  sops.defaultSopsFile = ./secrets.yaml;
+  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
+  sops.age.generateKey = true;
+
+  sops.secrets.epicenter_vpn_ca = {};
+  sops.secrets.epicenter_vpn_cert = {};
+  sops.secrets.epicenter_vpn_key = {};
+  sops.secrets.wg_private_key = {};
+  sops.secrets.wg_preshared_key = {};
+  sops.secrets.wg-cloonar-key = {};
+
+  virtualisation.docker.enable = true;
+  virtualisation.virtualbox.host = {
+    enable = true;
+    enableExtensionPack = true;
+  };
+
+  networking.hostName = "cl-nb-01"; # Define your hostname.
+  networking.resolvconf.enable = true;
+  networking.networkmanager.enable = true;  # Easiest to use and most distros use this by default.
+  networking.extraHosts = ''
+    10.25.0.25 archive.zeichnemit.at epicenter.works en.epicenter.works
+    10.25.0.100 download.intra.epicenter.works
+    127.0.0.1 wohnservice.local mieterhilfe.local wohnpartner.local wohnberatung.local wienbautvor.local wienwohntbesser.local
+    127.0.0.1 wohnservice-wien.local mieterhilfe.local wohnpartner-wien.local wohnberatung-wien.local wienbautvor.local wienwohntbesser.local
+    127.0.0.1 diabetes.local
+  '';
+
+  # Set your time zone.
+  time.timeZone = "Europe/Vienna";
+  console.keyMap = "de";
+
+  users.users.dominik = {
+    isNormalUser = true;
+    extraGroups = [ "wheel" "disk" "video" "audio" "mysql" "docker" "vboxusers" "networkmanager" "onepassword" "onepassword-cli" "dialout" ]; # Enable ‘sudo’ for the user.
+  };
+
+  environment.systemPackages = with pkgs; [
+    bento
+    vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+    wget
+    docker-compose
+    drone-cli
+    wireguard-tools
+    libftdi1
+  ];
+
+  environment.variables = {
+    TERMINAL_COMMAND = "alacritty";
+  };
+
+  services.blueman.enable = true;
+
+  services.printing.enable = true;
+  services.printing.drivers = [ pkgs.brlaser ];
+
+  services.mysql = {
+    enable = true;
+    package = pkgs.mariadb;
+    ensureUsers = [
+      {
+        name = "dominik";
+        ensurePermissions = {
+          "*.*" = "ALL PRIVILEGES";
+        };
+      }
+    ];
+  };
+
+  services.postgresql = {
+    enable = true;
+    ensureUsers = [
+      {
+        name = "dominik";
+        ensurePermissions = {
+          "DATABASE \"zammad\"" = "ALL PRIVILEGES";
+        };
+      }
+    ];
+    ensureDatabases = [ "zammad" ];
+  };
+
+  system.stateVersion = "22.11"; # Did you read the comment?
+
+  security.polkit.enable = true;
+  systemd = {
+    user.services.polkit-gnome-authentication-agent-1 = {
+      description = "polkit-gnome-authentication-agent-1";
+      wantedBy = [ "graphical-session.target" ];
+      wants = [ "graphical-session.target" ];
+      after = [ "graphical-session.target" ];
+      serviceConfig = {
+          Type = "simple";
+          ExecStart = "${pkgs.polkit_gnome}/libexec/polkit-gnome-authentication-agent-1";
+          Restart = "on-failure";
+          RestartSec = 1;
+          TimeoutStopSec = 10;
+        };
+    };
+  };
+
+
+  networking.firewall = {
+    allowedUDPPorts = [ 51820 ]; # Clients and peers can use the same port, see listenport
+     # if packets are still dropped, they will show up in dmesg
+     logReversePathDrops = true;
+     # wireguard trips rpfilter up
+     extraCommands = ''
+       ip46tables -t mangle -I nixos-fw-rpfilter -p udp -m udp --sport 51820 -j RETURN
+       ip46tables -t mangle -I nixos-fw-rpfilter -p udp -m udp --dport 51820 -j RETURN
+     '';
+     extraStopCommands = ''
+       ip46tables -t mangle -D nixos-fw-rpfilter -p udp -m udp --sport 51820 -j RETURN || true
+       ip46tables -t mangle -D nixos-fw-rpfilter -p udp -m udp --dport 51820 -j RETURN || true
+     '';
+  };
+  # networking.wireguard.interfaces = {
+  #   wg0 = {
+  #     # Determines the IP address and subnet of the client's end of the tunnel interface.
+  #     ips = [ "10.42.98.201/32" ];
+  #     listenPort = 51820; # to match firewall allowedUDPPorts (without this wg uses random port numbers)
+  #
+  #     # Path to the private key file.
+  #     #
+  #     # Note: The private key can also be included inline via the privateKey option,
+  #     # but this makes the private key world-readable; thus, using privateKeyFile is
+  #     # recommended.
+  #     privateKeyFile = config.sops.secrets.wg-cloonar-key.path;
+  #
+  #     peers = [
+  #       {
+  #         publicKey = "TKQVDmBnf9av46kQxLQSBDhAeaK8r1zh8zpU64zuc1Q=";
+  #         allowedIPs = [ "0.0.0.0/0" ];
+  #         endpoint = "vpn.cloonar.com:51820"; # ToDo: route to endpoint not automatically configured https://wiki.archlinux.org/index.php/WireGuard#Loop_routing https://discourse.nixos.org/t/solved-minimal-firewall-setup-for-wireguard-client/7577
+  #         persistentKeepalive = 25;
+  #       }
+  #     ];
+  #   };
+  # };
+
+  # Facial recognition "Windows hello"
+  # services.ir-toggle.enable = true;
+  # services.howdy = {
+  #   enable = true;
+  #   device = "/dev/video2";
+  # };
+  nix = {
+    settings.auto-optimise-store = true;
+    # autoOptimiseStore = true;
+    gc = {
+      automatic = true;
+      dates = "weekly";
+      options = "--delete-older-than 30d";
+    };
+    # Free up to 1GiB whenever there is less than 100MiB left.
+    extraOptions = ''
+      min-free = ${toString (100 * 1024 * 1024)}
+      max-free = ${toString (1024 * 1024 * 1024)}
+    '';
+  };
+
+
+}
+
diff --git a/hosts/nb-epicenter/hardware-configuration.nix b/hosts/nb-epicenter/hardware-configuration.nix
new file mode 100644
index 0000000..fda9b13
--- /dev/null
+++ b/hosts/nb-epicenter/hardware-configuration.nix
@@ -0,0 +1,58 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+{
+  imports = [ 
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+  boot.initrd.availableKernelModules = [ "xhci_pci" "thunderbolt" "nvme" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.kernelParams = [ "resume=/swap/swapfile" "resume_offset=533760" ];
+  boot.resumeDevice = "/dev/disk/by-uuid/92284909-c5dd-4e0f-ab22-64157c8175cb";
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/92284909-c5dd-4e0f-ab22-64157c8175cb";
+      fsType = "btrfs";
+      options = [ "subvol=root" ];
+    };
+
+  # boot.initrd.luks.devices."nixos-enc".device = "/dev/disk/by-uuid/7435d48f-f942-485b-9817-328ad3fc0b93";
+
+  fileSystems."/home" =
+    { device = "/dev/disk/by-uuid/92284909-c5dd-4e0f-ab22-64157c8175cb";
+      fsType = "btrfs";
+      options = [ "subvol=home" ];
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/C281-E509";
+      fsType = "vfat";
+    };
+
+  fileSystems."/swap" =
+    { device = "/dev/disk/by-uuid/92284909-c5dd-4e0f-ab22-64157c8175cb";
+      fsType = "btrfs";
+      options = [ "subvol=swap" ];
+    };
+
+  swapDevices = [{
+    device = "/swap/swapfile";
+    size = (1024 * 16);
+  }];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp52s0.useDHCP = lib.mkDefault true;
+
+  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/hosts/nb-epicenter/utils b/hosts/nb-epicenter/utils
new file mode 120000
index 0000000..7d6b64a
--- /dev/null
+++ b/hosts/nb-epicenter/utils
@@ -0,0 +1 @@
+../../utils/
\ No newline at end of file