Update NixOS config

.config/configuration.nix

@@ -1,7 +1,7 @@
 { config, pkgs, ... }:
 
 let
-  my-python-packages = python-packages: with python-packages; [
+  my-python3-packages = python3-packages: with python3-packages; [
     pip setuptools
     z3
     requests
@@ -12,17 +12,18 @@ let
     markdown
     psutil
   ];
-  my-python2-packages = python2-packages: with python2-packages; [
+  #my-python2-packages = python2-packages: with python2-packages; [
-    pip setuptools
+  #  pip setuptools
-    cython
+  #  cython
-    pygame
+  #  pygame
-    numpy
+  #  numpy
-    pillow
+  #  pillow
-    pyopengl
+  #  pyopengl
-    pyopengl-accelerate
+  #  pyopengl-accelerate
-  ];
+  #];
-  python-with-my-packages = pkgs.python3.withPackages my-python-packages;
+  python3-with-my-packages = pkgs.python3.withPackages my-python3-packages;
-  python2-with-my-packages = pkgs.python2.withPackages my-python2-packages;
+  #python2-with-my-packages = pkgs.python2.withPackages my-python2-packages;
+  linuxPackages = pkgs.linuxPackages_5_10;
 in
 {
   imports =
@@ -33,7 +34,7 @@ in
   # Use the systemd-boot EFI boot loader.
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
-  boot.kernelPackages = pkgs.linuxPackages_5_10;
+  boot.kernelPackages = linuxPackages;
   boot.extraModulePackages = [ config.boot.kernelPackages.v4l2loopback ];
   boot.kernelModules = [ "v4l2loopback" ];
   boot.kernelParams = [ "mitigations=off" ];
@@ -65,7 +66,15 @@ in
   networking.firewall.logRefusedConnections = false;
   networking.firewall.rejectPackets = true;
   networking.firewall.allowedTCPPorts = [ 12783 12975 25565 ];
+  networking.firewall.allowedTCPPortRanges = [
+    # KDE Connect
+    { from = 1714; to = 1764; }
+  ];
   networking.firewall.allowedUDPPorts = [ 12975 ];
+  networking.firewall.allowedUDPPortRanges = [
+    # KDE Connect
+    { from = 1714; to = 1764; }
+  ];
   # Or disable the firewall altogether.
   #networking.firewall.enable = false;
 
@@ -84,14 +93,14 @@ in
     XDG_CACHE_HOME = "$HOME/.cache";
     XDG_DATA_HOME = "$HOME/.local/share";
 
-    KDEHOME = "/home/arne/.config/kde";
+    KDEHOME = "$HOME/.config/kde";
-    KDESYCOCA = "/home/arne/.cache/kdesycoca";
+    KDESYCOCA = "$HOME/.cache/kdesycoca";
     KDE_HOME_READONLY = "1";
     KDE_UTF8_FILENAMES = "1";
-    ANDROID_SDK_HOME = "/home/arne/.cache";
+    ANDROID_SDK_HOME = "$HOME/.cache";
-    GRADLE_USER_HOME = "/home/arne/.cache/gradle";
+    GRADLE_USER_HOME = "$HOME/.cache/gradle";
-    MATHEMATICA_USERBASE = "/home/arne/.cache/mathematica";
+    MATHEMATICA_USERBASE = "$HOME/.cache/mathematica";
-    XCOMPOSECACHE = "/home/arne/.cache/X11/xcompose";
+    XCOMPOSECACHE = "$HOME/.cache/X11/xcompose";
   };
   environment.extraInit = ''
     export XAUTHORITY=/tmp/Xauthority
@@ -129,6 +138,10 @@ in
     liberation_ttf
   ];
 
+  virtualisation.docker.enable = true;
+  virtualisation.docker.logDriver = "journald";
+  #virtualisation.anbox.enable = true;
+
   # services.printing.enable = true;
   services.boinc.enable = true;
   services.vnstat.enable = true;
@@ -184,9 +197,12 @@ in
       "mathematica"
       "idea-ultimate"
       "android-studio-stable"
-      "logmein-hamachi"
+      #"logmein-hamachi"
     ];
     packageOverrides = super: let self = super.pkgs; in {
+      maven = super.maven.override {
+        jdk = super.pkgs.jdk11;
+      };
       # remove tesseract and ImageMagick
       ripgrep-all = super.ripgrep-all.overrideDerivation (attrs: {
         postInstall = ''
@@ -195,9 +211,25 @@ in
         '';
         doInstallCheck = false;
       });
+      qbittorrent = super.qbittorrent.overrideAttrs (attrs: rec {
+        version = "4.3.4.1";
+        src = pkgs.fetchFromGitHub {
+          owner = "qbittorrent";
+          repo = "qbittorrent";
+          rev = "release-4.3.4.1"; # TODO: is there some reason this also has to be specified?
+          sha256 = "0hpv99ky077h5rvxxd76l5xv99ivqa1hq6739jp1gvl4w6w3cbgc";
+        };
+      });
+      # remove openssl
+      #rustup = super.rustup.overrideAttrs (attrs: rec {
+      #  buildInputs = [ super.pkgs.zlib ];
+      #  # this does not actually work due to #103130
+      #  cargoBuildFlags = [ "--no-default-features" "--features" "no-self-update" "reqwest-backend" "reqwest-rustls-tls" ];
+      #  doCheck = false;
+      #});
     };
   };
-  # programs.steam.enable = true;
+  programs.steam.enable = true;
   programs.zsh.enable = true;
   programs.zsh.enableGlobalCompInit = false;
   programs.adb.enable = true;
@@ -232,14 +264,15 @@ in
 
     # programming environments
     geckodriver
-    python2-with-my-packages
+    #python2-with-my-packages
-    python-with-my-packages
+    python3-with-my-packages
-    jdk14 maven visualvm
+    jdk11 maven visualvm
     rustup
     jupyter
     vscodium
     jetbrains.idea-ultimate
-    androidStudioPackages.stable
+    #androidStudioPackages.stable
+    nodejs
 
     # CLI applications
     lynx
@@ -250,6 +283,10 @@ in
     gallery-dl
     youtube-dl
     plantuml
+    tectonic
+    docker-compose
+    qemu
+    graphviz
 
     # GUI applications
     sqlitebrowser
@@ -275,6 +312,8 @@ in
     plasma-vault
     ksshaskpass
     notepadqq
+    mpv
+    bitcoin
 
     xorg.xkbcomp
     xorg.xrandr
@@ -283,36 +322,26 @@ in
     xclip
     ntfs3g
     cryptsetup pinentry-qt
-    logmein-hamachi
-    mpv
     wineWowPackages.full
     winetricks
     cdrkit
     vnstat
     aspellDicts.de
     hunspellDicts.de-de
-    bitcoin
+    #texlive.combined.scheme-full
-    qemu
+    linuxPackages.perf
-    docker-compose
-    update-resolv-conf
-    texlive.combined.scheme-full
-    tectonic
-    linuxPackages_5_10.perf
     perf-tools
     smartmontools
-    nodejs
     libfaketime
     afl
 
+    # Games
     multimc
     minecraft
+    #logmein-hamachi
 
     update-resolv-conf
-    openssl
   ];
-  virtualisation.docker.enable = true;
-  virtualisation.docker.logDriver = "journald";
-
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave