diff --git a/README.md b/README.md
deleted file mode 100644
index 4ec9c62..0000000
--- a/README.md
+++ /dev/null
@@ -1 +0,0 @@
-NixOS configuration using nix flakes and home-manager
diff --git a/README.txt b/README.txt
new file mode 100644
index 0000000..2cfe2fe
--- /dev/null
+++ b/README.txt
@@ -0,0 +1,3 @@
+NixOS configuration using nix flakes and home-manager
+
+Main repository found at: https://git.project-cloud.net/asmir/nixos_flake_config
diff --git a/blue/configuration.nix b/blue/configuration.nix
index a92c14e..d4757d8 100644
--- a/blue/configuration.nix
+++ b/blue/configuration.nix
@@ -1,6 +1,3 @@
-# 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,
diff --git a/common/packages.nix b/common/packages.nix
index e73131c..a7c6bdb 100644
--- a/common/packages.nix
+++ b/common/packages.nix
@@ -17,6 +17,7 @@
       direnv
       dmidecode
       dnsmasq
+      dtach
       fd
       file
       fzf
@@ -55,6 +56,7 @@
       strace
       swaylock
       tig
+      tmux
       traceroute
       unrar
       unzip
diff --git a/flake.lock b/flake.lock
index 75cc969..14e8a1d 100644
--- a/flake.lock
+++ b/flake.lock
@@ -192,11 +192,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1698363600,
-        "narHash": "sha256-r71uS/uw3I9xJAnmlgaN0TC9aC/1m2L4iNhKjqBzAtQ=",
+        "lastModified": 1698783626,
+        "narHash": "sha256-esHANPDZbeIiBlXdFjBXpalHzSgtn+2TOmUa76dE6us=",
         "ref": "refs/heads/master",
-        "rev": "9652f4cb75d799ee5a2511883d2fda60bea00141",
-        "revCount": 19,
+        "rev": "b660608fb3ff05e1ba88222d2e8d16a8ca5e580e",
+        "revCount": 20,
         "type": "git",
         "url": "https://git.project-cloud.net/asmir/nvim_flake"
       },
diff --git a/flake.nix b/flake.nix
index f83dc1c..438a132 100644
--- a/flake.nix
+++ b/flake.nix
@@ -105,6 +105,7 @@
             home-manager.useGlobalPkgs = true;
             home-manager.useUserPackages = true;
             home-manager.users.akill = import ./home/home.nix;
+            home-manager.extraSpecialArgs = {inherit inputs;};
           }
           peerix.nixosModules.peerix
           {
diff --git a/home/home.nix b/home/home.nix
index aa0bbcb..4a20c57 100644
--- a/home/home.nix
+++ b/home/home.nix
@@ -168,6 +168,8 @@ with lib; {
         pull = {rebase = true;};
         credential = {helper = "store";};
       };
+      signing.key = "020C42B7A9ABA3E2";
+      signing.signByDefault = true;
     };
 
     obs-studio = {
@@ -197,6 +199,7 @@ with lib; {
       enable = true;
       defaultCacheTtl = 1800;
       enableSshSupport = true;
+      pinentryFlavor = "curses";
     };
 
     swayidle = {
diff --git a/home/home_packages.nix b/home/home_packages.nix
index e830493..d790b4e 100644
--- a/home/home_packages.nix
+++ b/home/home_packages.nix
@@ -25,14 +25,16 @@
       firefox
       gcc
       gdb
+      ghostscript
       glab
-      glaxnimate
+      /*glaxnimate*/
       gnumake
       go
       grim
       hyperfine
       imagemagick
       imv
+      inkscape
       jellyfin-media-player
       kdenlive
       kicad
@@ -52,6 +54,7 @@
       patchelf
       pavucontrol
       pirate-get
+      poppler_utils
       powertop
       pulsemixer
       python3
@@ -65,6 +68,7 @@
       sioyek
       skypeforlinux
       slurp
+      tea
       texlive.combined.scheme-full
       thunderbird
       upx
@@ -83,7 +87,9 @@
       zig
       zls
 
-      /* install here until nvim flake is fixed */
+      /*
+      install here until nvim flake is fixed
+      */
       alejandra
       ccls
       gopls
@@ -101,5 +107,8 @@
     ++ [
       inputs.swaysw.packages.x86_64-linux.swaysw
       inputs.nvim.packages.x86_64-linux.nvim
+      (import ../packages/zapzap/default.nix {inherit pkgs;})
+      (pkgs.callPackage ../packages/viber/default.nix {})
+      (pkgs.callPackage ../packages/bubblewrap/default.nix {})
     ];
 }
diff --git a/home/sway.nix b/home/sway.nix
index 3c9dda4..8c3d810 100644
--- a/home/sway.nix
+++ b/home/sway.nix
@@ -18,11 +18,11 @@
       window.commands = [
         {
           command = "move scratchpad, resize set 1152 648";
-          criteria = {app_id = "pulsemixer|python3|whatsapp-for-linux|com.viber.Viber";};
+          criteria = {app_id = "pulsemixer|python3|com.rtosta.zapzap|whatsapp-for-linux|com.viber";};
         }
         {
           command = "move scratchpad, resize set 1502 845";
-          criteria = {class = "ViberPC";};
+          criteria = {app_id = "com.viber";};
         }
         {
           command = "floating enable";
@@ -106,8 +106,8 @@
 
         "Mod4+l" = ''
           exec swaymsg [app_id="python3"] scratchpad show || exec foot -a python3 python3'';
-        "Mod4+h" = "exec swaymsg [app_id=whatsapp-for-linux] scratchpad show || exec whatsapp-for-linux";
-        "Mod4+j" = "exec swaymsg [app_id=com.viber.Viber] scratchpad show";
+        "Mod4+h" = "exec swaymsg [app_id=com.rtosta.zapzap] scratchpad show || exec zapzap";
+        "Mod4+j" = "exec swaymsg [app_id=com.viber] scratchpad show || exec viber";
         "Mod4+y" = ''
           exec swaymsg [app_id="pulsemixer"] scratchpad show || exec foot -a pulsemixer pulsemixer'';
 
diff --git a/home/zsh.nix b/home/zsh.nix
index a444e2b..4ba9c48 100644
--- a/home/zsh.nix
+++ b/home/zsh.nix
@@ -52,8 +52,8 @@
         src = pkgs.fetchFromGitHub {
           owner = "sindresorhus";
           repo = "pure";
-          rev = "47c0c881f0e7cfdb5eaccd335f52ad17b897c060";
-          sha256 = "15xdhi72pq88ls5gx1h0k23jvb41j6kq6ar17dqmd5d38zsgwl3v";
+          rev = "87e6f5dd4c793f6d980532205aaefe196780606f";
+          hash = "sha256-TR4CyBZ+KoZRs9XDmWE5lJuUXXU1J8E2Z63nt+FS+5w=";
         };
         file = "pure.plugin.zsh";
       }
diff --git a/magpie/configuration.nix b/magpie/configuration.nix
index 7bda3ac..04e7cf1 100644
--- a/magpie/configuration.nix
+++ b/magpie/configuration.nix
@@ -240,12 +240,14 @@
     owner = config.users.users.nextcloud.name;
   };
 
-  networking.hostName = "magpie";
-  networking.wireless.enable = false;
   networking.firewall.enable = true;
   networking.firewall.allowedTCPPorts = [80 443 587];
   networking.firewall.allowedUDPPorts = [];
+  networking.firewall.allowPing = true;
+  networking.firewall.logRefusedConnections = lib.mkDefault false;
+  networking.hostName = "magpie";
   networking.networkmanager.enable = true;
+  networking.wireless.enable = false;
 
   system.stateVersion = "22.11";
 }
diff --git a/mediabox/configuration.nix b/mediabox/configuration.nix
index 81ea7e9..696f891 100644
--- a/mediabox/configuration.nix
+++ b/mediabox/configuration.nix
@@ -254,6 +254,14 @@
       };
     };
 
+    journald.extraConfig = ''
+      SystemMaxUse=50M
+    '';
+
+    logind.extraConfig = ''
+      KillUserProcesses=yes
+    '';
+
     xserver = {
       enable = true;
       libinput.enable = true;
diff --git a/nixy/configuration.nix b/nixy/configuration.nix
index 92fedda..c4c87ec 100644
--- a/nixy/configuration.nix
+++ b/nixy/configuration.nix
@@ -1,6 +1,3 @@
-# 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,
@@ -29,6 +26,7 @@
     gc.options = "--delete-older-than 7d";
     package = pkgs.nixUnstable;
     settings = {
+      sandbox = true;
       experimental-features = ["nix-command" "flakes"];
     };
   };
@@ -110,6 +108,9 @@
   nixpkgs.config.allowUnfree = true;
   nixpkgs.overlays = [nix-xilinx.overlay];
   environment = {
+    extraInit = ''
+      unset -v SSH_ASKPASS
+    '';
     homeBinInPath = true;
     variables = {
       PATH = "$HOME/.cargo/bin";
diff --git a/nixy/hardware-configuration.nix b/nixy/hardware-configuration.nix
index 4ea5a4b..6314279 100644
--- a/nixy/hardware-configuration.nix
+++ b/nixy/hardware-configuration.nix
@@ -55,7 +55,7 @@
   };
 
   fileSystems."/opt/xilinx" = {
-    device = "/dev/disk/by-uuid/09912fb9-0284-4b4e-add1-d4a27329539f";
+    device = "/dev/disk/by-uuid/f5c27ef2-8053-4d96-9f8f-c6a50d6193b9";
     fsType = "erofs";
   };
 
diff --git a/packages/bubblewrap/default.nix b/packages/bubblewrap/default.nix
new file mode 100644
index 0000000..44645bd
--- /dev/null
+++ b/packages/bubblewrap/default.nix
@@ -0,0 +1,56 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  docbook_xsl,
+  libxslt,
+  meson,
+  ninja,
+  pkg-config,
+  bash-completion,
+  libcap,
+  libselinux,
+}:
+stdenv.mkDerivation rec {
+  pname = "bubblewrap";
+  version = "0.8.0";
+
+  src = fetchFromGitHub {
+    owner = "rhendric";
+    repo = "bubblewrap";
+    rev = "23ff0f875b3a0200c1796daa01173ecec7deaf88";
+    hash = "sha256-EWsuAGsShaHEmLi0jUHX2bFQZkinIOsRbgB7tZSfq8E=";
+  };
+
+  postPatch = ''
+    substituteInPlace tests/libtest.sh \
+      --replace "/var/tmp" "$TMPDIR"
+  '';
+
+  nativeBuildInputs = [
+    docbook_xsl
+    libxslt
+    meson
+    ninja
+    pkg-config
+  ];
+
+  buildInputs = [
+    bash-completion
+    libcap
+    libselinux
+  ];
+
+  # incompatible with Nix sandbox
+  doCheck = false;
+
+  meta = with lib; {
+    changelog = "https://github.com/containers/bubblewrap/releases/tag/${src.rev}";
+    description = "Unprivileged sandboxing tool";
+    homepage = "https://github.com/containers/bubblewrap";
+    license = licenses.lgpl2Plus;
+    maintainers = with maintainers; [dotlambda];
+    platforms = platforms.linux;
+    mainProgram = "bwrap";
+  };
+}
diff --git a/packages/viber/default.nix b/packages/viber/default.nix
new file mode 100644
index 0000000..2a61ad4
--- /dev/null
+++ b/packages/viber/default.nix
@@ -0,0 +1,169 @@
+{
+  alsa-lib,
+  brotli,
+  cups,
+  curl,
+  bubblewrap,
+  bash,
+  writeShellScriptBin,
+  dbus,
+  dpkg,
+  expat,
+  fetchurl,
+  fontconfig,
+  freetype,
+  glib,
+  gst_all_1,
+  harfbuzz,
+  krb5,
+  lcms,
+  lib,
+  libcap,
+  libevent,
+  libGL,
+  libGLU,
+  libopus,
+  libpulseaudio,
+  libwebp,
+  libxkbcommon,
+  libxml2,
+  libxslt,
+  makeWrapper,
+  mesa,
+  nspr,
+  nss,
+  openssl,
+  snappy,
+  stdenv,
+  systemd,
+  wayland,
+  xorg,
+  zlib,
+  zstd,
+  ...
+}:
+stdenv.mkDerivation {
+  pname = "viber";
+  version = "21.0.0.1";
+
+  src = fetchurl {
+    # Official link: https://download.cdn.viber.com/cdn/desktop/Linux/viber.deb
+    url = "https://download.cdn.viber.com/cdn/desktop/Linux/viber.deb";
+    sha256 = "0q34mwbk0i2vj2f16hk7pyshl8fqwym3lyr7iss22qw8cxx3mcg3";
+  };
+
+  nativeBuildInputs = [makeWrapper];
+  buildInputs = [dpkg];
+
+  dontUnpack = true;
+
+  libPath = lib.makeLibraryPath [
+    alsa-lib
+    brotli
+    cups
+    curl
+    dbus
+    expat
+    fontconfig
+    freetype
+    glib
+    gst_all_1.gst-plugins-bad
+    gst_all_1.gst-plugins-base
+    gst_all_1.gstreamer
+    harfbuzz
+    krb5
+    lcms
+    libcap
+    libevent
+    libGLU
+    libGL
+    libopus
+    libpulseaudio
+    libwebp
+    libxkbcommon
+    libxml2
+    libxslt
+    mesa
+    nspr
+    nss
+    openssl
+    snappy
+    stdenv.cc.cc
+    systemd
+    wayland
+    zlib
+    zstd
+
+    xorg.libICE
+    xorg.libSM
+    xorg.libX11
+    xorg.libxcb
+    xorg.libXcomposite
+    xorg.libXcursor
+    xorg.libXdamage
+    xorg.libXext
+    xorg.libXfixes
+    xorg.libXi
+    xorg.libXrandr
+    xorg.libXrender
+    xorg.libXScrnSaver
+    xorg.libXtst
+    xorg.xcbutilimage
+    xorg.xcbutilkeysyms
+    xorg.xcbutilrenderutil
+    xorg.xcbutilwm
+    xorg.libxkbfile
+  ];
+
+  installPhase = let
+    viberWrap = writeShellScriptBin "viberWrap" ''
+      ${bubblewrap}/bin/bwrap --bind / / \
+      --dev /dev \
+      --tmpfs $HOME \
+      --bind  $HOME/.ViberPC/ $HOME/.ViberPC \
+      --bind  $HOME/Downloads/ $HOME/Downloads \
+      $@
+    '';
+  in ''
+    dpkg-deb -x $src $out
+    mkdir -p $out/bin
+
+    # Soothe nix-build "suspicions"
+    chmod -R g-w $out
+
+    for file in $(find $out -type f \( -perm /0111 -o -name \*.so\* \) ); do
+      patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" "$file" || true
+      patchelf --set-rpath $libPath:$out/opt/viber/lib $file || true
+    done
+
+    # qt.conf is not working, so override everything using environment variables
+    wrapProgram $out/opt/viber/Viber \
+      --set QT_PLUGIN_PATH "$out/opt/viber/plugins" \
+      --set QT_XKB_CONFIG_ROOT "${xorg.xkeyboardconfig}/share/X11/xkb" \
+      --set QTCOMPOSE "${xorg.libX11.out}/share/X11/locale" \
+      --set QML2_IMPORT_PATH "$out/opt/viber/qml"
+
+    echo "#!${bash}/bin/bash" > $out/bin/viber
+    echo "${viberWrap}/bin/viberWrap $out/opt/viber/Viber" >> $out/bin/viber
+    chmod +x $out/bin/viber
+
+    mv $out/usr/share $out/share
+    rm -rf $out/usr
+
+    # Fix the desktop link
+    substituteInPlace $out/share/applications/viber.desktop \
+      --replace /opt/viber/Viber $out/opt/viber/Viber \
+      --replace /usr/share/ $out/share/
+  '';
+  dontStrip = true;
+  dontPatchELF = true;
+
+  meta = {
+    homepage = "https://www.viber.com";
+    description = "An instant messaging and Voice over IP (VoIP) app";
+    sourceProvenance = with lib.sourceTypes; [binaryNativeCode];
+    license = lib.licenses.unfree;
+    platforms = ["x86_64-linux"];
+    maintainers = with lib.maintainers; [jagajaga];
+  };
+}
diff --git a/packages/zapzap/.nixd.json b/packages/zapzap/.nixd.json
new file mode 120000
index 0000000..0a1dd46
--- /dev/null
+++ b/packages/zapzap/.nixd.json
@@ -0,0 +1 @@
+../../.nixd.json
\ No newline at end of file
diff --git a/packages/zapzap/default.nix b/packages/zapzap/default.nix
new file mode 100644
index 0000000..37155fc
--- /dev/null
+++ b/packages/zapzap/default.nix
@@ -0,0 +1,23 @@
+{pkgs}:
+pkgs.python3Packages.buildPythonPackage {
+  name = "zapzap";
+  src = pkgs.fetchFromGitHub {
+    owner = "zapzap-linux";
+    repo = "zapzap";
+    rev = "5de4a4015128c164af3c964ecbe5b6358d98b521";
+    hash = "sha256-bd3YcITK4lraOu7D/xZfnibilAZQZWqazVVtUwqJ4wc=";
+  };
+  dontWrapQtApps = true;
+  propagatedBuildInputs = with pkgs.python3Packages; [pyqt6-webengine qt6.qtwayland qt6.qtsvg];
+  nativeBuildInputs = with pkgs; [qt6.wrapQtAppsHook makeWrapper];
+  env = {
+    HOME = "/tmp";
+  };
+  preFixup = ''
+    makeWrapperArgs+=(
+      # Force the app to use QT_PLUGIN_PATH values from wrapper
+      --unset QT_PLUGIN_PATH
+      "''${qtWrapperArgs[@]}"
+    )
+  '';
+}