refac

38 files changed, 683 insertions, 0 deletions

diff --git a/modules/system/access/default.nix b/modules/system/access/default.nix
new file mode 100644
index 0000000..7db7629
--- /dev/null
+++ b/modules/system/access/default.nix
@@ -0,0 +1,7 @@
+{
+  imports = [
+    ./gnupg.nix
+    ./mosh.nix
+    ./ssh.nix
+  ];
+}
diff --git a/modules/system/access/gnupg.nix b/modules/system/access/gnupg.nix
new file mode 100644
index 0000000..aeffb23
--- /dev/null
+++ b/modules/system/access/gnupg.nix
@@ -0,0 +1,16 @@
+{ pkgs, ... }:
+{
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+    pinentryPackage = pkgs.pinentry-curses;
+
+    settings = {
+      enable-ssh-support = "";
+      ttyname = "$GPG_TTY";
+      default-cache-ttl = 34560000; # 60
+      max-cache-ttl = 34560000; # 120
+      allow-loopback-pinentry = "";
+    };
+  };
+}
diff --git a/modules/system/access/mosh.nix b/modules/system/access/mosh.nix
new file mode 100644
index 0000000..c9af5bf
--- /dev/null
+++ b/modules/system/access/mosh.nix
@@ -0,0 +1,6 @@
+{
+  programs.mosh = {
+    enable = true;
+    openFirewall = false;
+  };
+}
diff --git a/modules/system/access/ssh.nix b/modules/system/access/ssh.nix
new file mode 100644
index 0000000..b1fc187
--- /dev/null
+++ b/modules/system/access/ssh.nix
@@ -0,0 +1,26 @@
+{
+  programs.ssh.startAgent = false;
+
+  services.openssh = {
+    enable = true;
+    ports = [ 22 ];
+    openFirewall = false;
+
+    settings = {
+      KexAlgorithms = [
+        "curve25519-sha256"
+        "[email protected]"
+        "diffie-hellman-group16-sha512"
+        "diffie-hellman-group18-sha512"
+        "diffie-hellman-group-exchange-sha256"
+        "[email protected]"
+      ];
+
+      Macs = [
+        "[email protected]"
+        "[email protected]"
+        "[email protected]"
+      ];
+    };
+  };
+}
diff --git a/modules/system/boot/default.nix b/modules/system/boot/default.nix
new file mode 100644
index 0000000..9a517ef
--- /dev/null
+++ b/modules/system/boot/default.nix
@@ -0,0 +1,32 @@
+{
+  pkgs,
+  config,
+  ...
+}:
+{
+  imports = [
+    ./grub.nix
+    ./systemd-boot.nix
+  ];
+
+  boot = {
+    crashDump.enable = false;
+    consoleLogLevel = 3;
+    kernelPackages = pkgs.linuxPackages_zen;
+
+    kernelParams = [
+      "iommu=pt"
+      "threadirqs"
+    ];
+
+    loader = {
+      timeout = 5;
+      generationsDir.copyKernels = true;
+
+      efi = {
+        canTouchEfiVariables = true;
+        efiSysMountPoint = "/boot";
+      };
+    };
+  };
+}
diff --git a/modules/system/boot/grub.nix b/modules/system/boot/grub.nix
new file mode 100644
index 0000000..49e0eef
--- /dev/null
+++ b/modules/system/boot/grub.nix
@@ -0,0 +1,32 @@
+{ pkgs, ... }:
+{
+  boot.loader.grub = {
+    enable = true;
+    device = "nodev";
+    efiSupport = true;
+    useOSProber = true;
+    configurationLimit = 10;
+    memtest86.enable = true;
+    gfxmodeEfi = "1920x1080x32";
+    gfxmodeBios = "1920x1080x32";
+    gfxpayloadBios = "keep";
+    gfxpayloadEfi = "keep";
+    splashMode = "normal";
+
+    # extraEntries = ''
+    #   menuentry "Arch Linux (linux-clear)" {
+    #     linux /vmlinuz-linux-clear
+    #     initrd /amd-ucode.img
+    #     initrd /booster-linux-clear.img
+    #     options root=PARTUUID=f510f35d-76a0-4469-aad5-da449541ecd2 rootflags=subvol=@ rw rootfstype=btrfs psi=1 nvidia_drm.modeset=1
+    #   }
+    # '';
+
+    theme = pkgs.fetchFromGitHub {
+      owner = "Lxtharia";
+      repo = "minegrub-theme";
+      rev = "193b3a7c3d432f8c6af10adfb465b781091f56b3";
+      sha256 = "1bvkfmjzbk7pfisvmyw5gjmcqj9dab7gwd5nmvi8gs4vk72bl2ap";
+    };
+  };
+}
diff --git a/modules/system/boot/systemd-boot.nix b/modules/system/boot/systemd-boot.nix
new file mode 100644
index 0000000..5b50bad
--- /dev/null
+++ b/modules/system/boot/systemd-boot.nix
@@ -0,0 +1,10 @@
+{
+  boot.loader.systemd-boot = {
+    enable = false;
+    editor = true;
+    consoleMode = "max";
+    memtest86.enable = true;
+    netbootxyz.enable = true;
+    configurationLimit = 10;
+  };
+}
diff --git a/modules/system/datetime/datetime.nix b/modules/system/datetime/datetime.nix
new file mode 100644
index 0000000..7451fa2
--- /dev/null
+++ b/modules/system/datetime/datetime.nix
@@ -0,0 +1,33 @@
+{ pkgs, ... }:
+{
+  time.timeZone = "America/Los_Angeles";
+  location.provider = "geoclue2";
+
+  services = {
+    chrony.enable = false;
+    timesyncd.enable = true;
+  };
+
+  i18n = {
+    defaultLocale = "en_US.UTF-8";
+
+    inputMethod = {
+      enable = true;
+      type = "fcitx5";
+
+      fcitx5 = {
+        waylandFrontend = true;
+
+        addons = with pkgs; [
+          fcitx5-configtool
+          fcitx5-gtk
+          fcitx5-hangul
+          fcitx5-mozc
+          fcitx5-rime
+          rime-data
+          catppuccin-fcitx5
+        ];
+      };
+    };
+  };
+}
diff --git a/modules/system/datetime/default.nix b/modules/system/datetime/default.nix
new file mode 100644
index 0000000..97ba4c8
--- /dev/null
+++ b/modules/system/datetime/default.nix
@@ -0,0 +1,6 @@
+{
+  imports = [
+    ./datetime.nix
+    ./openntpd.nix
+  ];
+}
diff --git a/modules/system/datetime/openntpd.nix b/modules/system/datetime/openntpd.nix
new file mode 100644
index 0000000..ec59d5b
--- /dev/null
+++ b/modules/system/datetime/openntpd.nix
@@ -0,0 +1,13 @@
+{ pkgs, ... }:
+{
+  services.openntpd = {
+    enable = true;
+
+    extraConfig = ''
+      listen on 127.0.0.1
+      listen on ::1
+    '';
+  };
+
+  environment.systemPackages = [ pkgs.openntpd ];
+}
diff --git a/modules/system/default.nix b/modules/system/default.nix
new file mode 100644
index 0000000..cdef99d
--- /dev/null
+++ b/modules/system/default.nix
@@ -0,0 +1,24 @@
+{
+  imports = [
+    ./access
+    ./boot
+    ./datetime
+    ./desktop
+    ./networking
+    ./services
+    ./encryption.nix
+    ./programs.nix
+    ./systemd.nix
+    ./users.nix
+    ./variables.nix
+  ];
+
+  system = {
+    autoUpgrade.enable = false;
+
+    switch = {
+      enable = false;
+      enableNg = true;
+    };
+  };
+}
diff --git a/modules/system/desktop/default.nix b/modules/system/desktop/default.nix
new file mode 100644
index 0000000..bd2c811
--- /dev/null
+++ b/modules/system/desktop/default.nix
@@ -0,0 +1,6 @@
+{
+  imports = [
+    ./gtk.nix
+    ./xdg-portal.nix
+  ];
+}
diff --git a/modules/system/desktop/gtk.nix b/modules/system/desktop/gtk.nix
new file mode 100644
index 0000000..4357e75
--- /dev/null
+++ b/modules/system/desktop/gtk.nix
@@ -0,0 +1,8 @@
+{ pkgs, ... }:
+{
+  environment.systemPackages = with pkgs; [
+    gtk2
+    gtk3
+    gtk4
+  ];
+}
diff --git a/modules/system/desktop/xdg-portal.nix b/modules/system/desktop/xdg-portal.nix
new file mode 100644
index 0000000..72bcb97
--- /dev/null
+++ b/modules/system/desktop/xdg-portal.nix
@@ -0,0 +1,15 @@
+{ pkgs, ... }:
+{
+  xdg.portal = {
+    enable = true;
+    config.common.default = "*";
+    # wlr.enable = true;
+    # xdgOpenUsePortal = true;
+
+    extraPortals = with pkgs; [
+      xdg-desktop-portal-wlr
+      xdg-desktop-portal-gtk
+      xdg-desktop-portal-gnome
+    ];
+  };
+}
diff --git a/modules/system/encryption.nix b/modules/system/encryption.nix
new file mode 100644
index 0000000..53a24bb
--- /dev/null
+++ b/modules/system/encryption.nix
@@ -0,0 +1,16 @@
+{
+  boot = {
+    initrd.availableKernelModules = [
+      # "aesni_intel"
+      # "cryptd"
+      "usb_storage"
+    ];
+
+    # <https://wiki.archlinux.org/title/Dm-crypt/System_configuration#Timeout>
+    kernelParams = [
+      "luks.options=timeout=0"
+      "rd.luks.options=timeout=0"
+      "rootflags=x-systemd.device-timeout=0"
+    ];
+  };
+}
diff --git a/modules/system/networking/default.nix b/modules/system/networking/default.nix
new file mode 100644
index 0000000..96f89d0
--- /dev/null
+++ b/modules/system/networking/default.nix
@@ -0,0 +1,33 @@
+{
+  imports = [
+    ./vpn
+    ./dhcpcd.nix
+    ./fail2ban.nix
+    ./firewall.nix
+    ./ipv6.nix
+    ./loopback.nix
+    ./networkmanager.nix
+    ./optimise.nix
+    ./resolved.nix
+    ./tor.nix
+  ];
+
+  networking = {
+    hostName = "kansai";
+    nftables.enable = true;
+
+    nameservers = [
+      "1.1.1.1#one.one.one.one"
+      "1.0.0.1#one.one.one.one"
+      "9.9.9.9#dns.quad9.net"
+      "149.112.112.112#dns.quad9.net"
+    ];
+
+    timeServers = [
+      "0.nixos.pool.ntp.org"
+      "1.nixos.pool.ntp.org"
+      "2.nixos.pool.ntp.org"
+      "3.nixos.pool.ntp.org"
+    ];
+  };
+}
diff --git a/modules/system/networking/dhcpcd.nix b/modules/system/networking/dhcpcd.nix
new file mode 100644
index 0000000..99ac0f3
--- /dev/null
+++ b/modules/system/networking/dhcpcd.nix
@@ -0,0 +1,6 @@
+{
+  networking.dhcpcd = {
+    wait = "background";
+    extraConfig = "noarp";
+  };
+}
diff --git a/modules/system/networking/fail2ban.nix b/modules/system/networking/fail2ban.nix
new file mode 100644
index 0000000..fa45565
--- /dev/null
+++ b/modules/system/networking/fail2ban.nix
@@ -0,0 +1,18 @@
+{ lib, config, ... }:
+{
+  services.fail2ban = {
+    enable = false;
+
+    ignoreIP = [
+      "10.0.0.0/8"
+      "172.16.0.0/12"
+      "192.168.0.0/16"
+    ];
+
+    jails.sshd.settings = {
+      enabled = true;
+      filter = "sshd[mode=aggressive]";
+      port = lib.strings.concatStringsSep "," (map toString config.services.openssh.ports);
+    };
+  };
+}
diff --git a/modules/system/networking/firewall.nix b/modules/system/networking/firewall.nix
new file mode 100644
index 0000000..569089c
--- /dev/null
+++ b/modules/system/networking/firewall.nix
@@ -0,0 +1,12 @@
+{
+  networking.firewall = {
+    enable = true;
+    allowedUDPPorts = [ 53 ];
+    allowPing = false;
+
+    allowedTCPPorts = [
+      80
+      443
+    ];
+  };
+}
diff --git a/modules/system/networking/ipv6.nix b/modules/system/networking/ipv6.nix
new file mode 100644
index 0000000..274c1ae
--- /dev/null
+++ b/modules/system/networking/ipv6.nix
@@ -0,0 +1,9 @@
+{
+  boot.kernel.sysctl = {
+    "net.ipv6.conf.enp42s0.disable_ipv6" = true;
+    "net.ipv6.conf.wlp4s0.disable_ipv6" = true;
+    "net.ipv6.conf.tun0.disable_ipv6" = true;
+  };
+
+  networking.enableIPv6 = false;
+}
diff --git a/modules/system/networking/loopback.nix b/modules/system/networking/loopback.nix
new file mode 100644
index 0000000..62e745e
--- /dev/null
+++ b/modules/system/networking/loopback.nix
@@ -0,0 +1,7 @@
+{ config, ... }:
+{
+  boot = {
+    kernelModules = [ "v4l2loopback" ];
+    extraModulePackages = with config.boot.kernelPackages; [ v4l2loopback ];
+  };
+}
diff --git a/modules/system/networking/networkmanager.nix b/modules/system/networking/networkmanager.nix
new file mode 100644
index 0000000..e5fdfc1
--- /dev/null
+++ b/modules/system/networking/networkmanager.nix
@@ -0,0 +1,22 @@
+{ pkgs, ... }:
+{
+  environment.systemPackages = [ pkgs.networkmanagerapplet ];
+
+  networking.networkmanager = {
+    enable = true;
+    plugins = [ pkgs.networkmanager-openvpn ];
+    dns = "systemd-resolved";
+    wifi.backend = "iwd";
+
+    unmanaged = [
+      "interface-name:tailscale*"
+      "interface-name:br-*"
+      "interface-name:rndis*"
+      "interface-name:docker*"
+      "interface-name:virbr*"
+      "interface-name:vboxnet*"
+      "interface-name:waydroid*"
+      "type:bridge"
+    ];
+  };
+}
diff --git a/modules/system/networking/optimise.nix b/modules/system/networking/optimise.nix
new file mode 100644
index 0000000..c6f2bec
--- /dev/null
+++ b/modules/system/networking/optimise.nix
@@ -0,0 +1,73 @@
+{
+  boot = {
+    kernelModules = [
+      "tls"
+      "tcp_bbr"
+    ];
+
+    kernel.sysctl = {
+      # TCP hardening
+      # Prevent bogus ICMP errors from filling up logs.
+      "net.ipv4.icmp_ignore_bogus_error_responses" = 1;
+      # Reverse path filtering causes the kernel to do source validation of
+      # packets received from all interfaces. This can mitigate IP spoofing.
+      "net.ipv4.conf.default.rp_filter" = 1;
+      "net.ipv4.conf.all.rp_filter" = 1;
+      # Do not accept IP source route packets (we're not a router)
+      "net.ipv4.conf.all.accept_source_route" = 0;
+      "net.ipv6.conf.all.accept_source_route" = 0;
+      # Don't send ICMP redirects (again, we're on a router)
+      "net.ipv4.conf.all.send_redirects" = 0;
+      "net.ipv4.conf.default.send_redirects" = 0;
+      # Refuse ICMP redirects (MITM mitigations)
+      "net.ipv4.conf.all.accept_redirects" = 0;
+      "net.ipv4.conf.default.accept_redirects" = 0;
+      "net.ipv4.conf.all.secure_redirects" = 0;
+      "net.ipv4.conf.default.secure_redirects" = 0;
+      "net.ipv6.conf.all.accept_redirects" = 0;
+      "net.ipv6.conf.default.accept_redirects" = 0;
+      # Protects against SYN flood attacks
+      "net.ipv4.tcp_syncookies" = 1;
+      # Incomplete protection again TIME-WAIT assassination
+      "net.ipv4.tcp_rfc1337" = 1;
+      # And other stuff
+      "net.ipv4.conf.all.log_martians" = true;
+      "net.ipv4.conf.default.log_martians" = true;
+      "net.ipv4.icmp_echo_ignore_broadcasts" = true;
+      "net.ipv6.conf.default.accept_ra" = 0;
+      "net.ipv6.conf.all.accept_ra" = 0;
+      "net.ipv4.tcp_timestamps" = 0;
+
+      # TCP optimization
+      # TCP Fast Open is a TCP extension that reduces network latency by packing
+      # data in the sender’s initial TCP SYN. Setting 3 = enable TCP Fast Open for
+      # both incoming and outgoing connections:
+      "net.ipv4.tcp_fastopen" = 3;
+      # Bufferbloat mitigations + slight improvement in throughput & latency
+      "net.ipv4.tcp_congestion_control" = "bbr";
+      "net.core.default_qdisc" = "cake";
+
+      # Other stuff that I am too lazy to document
+      "net.core.optmem_max" = 65536;
+      "net.core.rmem_default" = 1048576;
+      "net.core.rmem_max" = 16777216;
+      "net.core.somaxconn" = 8192;
+      "net.core.wmem_default" = 1048576;
+      "net.core.wmem_max" = 16777216;
+      "net.ipv4.ip_local_port_range" = "16384 65535";
+      "net.ipv4.tcp_max_syn_backlog" = 8192;
+      "net.ipv4.tcp_max_tw_buckets" = 2000000;
+      "net.ipv4.tcp_mtu_probing" = 1;
+      "net.ipv4.tcp_rmem" = "4096 1048576 2097152";
+      "net.ipv4.tcp_slow_start_after_idle" = 0;
+      "net.ipv4.tcp_tw_reuse" = 1;
+      "net.ipv4.tcp_wmem" = "4096 65536 16777216";
+      "net.ipv4.udp_rmem_min" = 8192;
+      "net.ipv4.udp_wmem_min" = 8192;
+      "net.netfilter.nf_conntrack_generic_timeout" = 60;
+      "net.netfilter.nf_conntrack_max" = 1048576;
+      "net.netfilter.nf_conntrack_tcp_timeout_established" = 600;
+      "net.netfilter.nf_conntrack_tcp_timeout_time_wait" = 1;
+    };
+  };
+}
diff --git a/modules/system/networking/resolved.nix b/modules/system/networking/resolved.nix
new file mode 100644
index 0000000..632ca7a
--- /dev/null
+++ b/modules/system/networking/resolved.nix
@@ -0,0 +1,15 @@
+{
+  services.resolved = {
+    enable = true;
+    dnssec = "true";
+    domains = [ "~." ];
+    dnsovertls = "true";
+
+    fallbackDns = [
+      "1.1.1.1#one.one.one.one"
+      "1.0.0.1#one.one.one.one"
+      "9.9.9.9#dns.quad9.net"
+      "149.112.112.112#dns.quad9.net"
+    ];
+  };
+}
diff --git a/modules/system/networking/tor.nix b/modules/system/networking/tor.nix
new file mode 100644
index 0000000..3e3831f
--- /dev/null
+++ b/modules/system/networking/tor.nix
@@ -0,0 +1,6 @@
+{
+  services.tor = {
+    enable = true;
+    client.enable = true;
+  };
+}
diff --git a/modules/system/networking/vpn/default.nix b/modules/system/networking/vpn/default.nix
new file mode 100644
index 0000000..92a11b0
--- /dev/null
+++ b/modules/system/networking/vpn/default.nix
@@ -0,0 +1,6 @@
+{
+  imports = [
+    ./pia.nix
+    ./tailscale.nix
+  ];
+}
diff --git a/modules/system/networking/vpn/pia.nix b/modules/system/networking/vpn/pia.nix
new file mode 100644
index 0000000..d52dbf8
--- /dev/null
+++ b/modules/system/networking/vpn/pia.nix
@@ -0,0 +1,10 @@
+{ secrets, ... }:
+{
+  services.pia = {
+    enable = true;
+
+    authUserPass = {
+      inherit (secrets.pia) username password;
+    };
+  };
+}
diff --git a/modules/system/networking/vpn/tailscale.nix b/modules/system/networking/vpn/tailscale.nix
new file mode 100644
index 0000000..5d51594
--- /dev/null
+++ b/modules/system/networking/vpn/tailscale.nix
@@ -0,0 +1,4 @@
+{
+  services.tailscale.enable = true;
+  networking.firewall.trustedInterfaces = [ "tailscale0" ];
+}
diff --git a/modules/system/programs.nix b/modules/system/programs.nix
new file mode 100644
index 0000000..8a856d5
--- /dev/null
+++ b/modules/system/programs.nix
@@ -0,0 +1,21 @@
+{ pkgs, ... }:
+{
+  programs = {
+    fish.enable = true;
+    mtr.enable = true;
+    dconf.enable = true;
+    ccache.enable = true;
+
+    bash.interactiveShellInit = ''
+      export HISTFILE="$XDG_STATE_HOME/bash/history"
+    '';
+  };
+
+  environment.systemPackages = with pkgs; [
+    vim
+    wget
+    git
+    pinentry
+    runc
+  ];
+}
diff --git a/modules/system/services/ananicy.nix b/modules/system/services/ananicy.nix
new file mode 100644
index 0000000..bdc9bbd
--- /dev/null
+++ b/modules/system/services/ananicy.nix
@@ -0,0 +1,8 @@
+{ pkgs, ... }:
+{
+  services.ananicy = {
+    enable = false;
+    package = pkgs.ananicy-cpp;
+    rulesProvider = pkgs.ananicy-rules-cachyos;
+  };
+}
diff --git a/modules/system/services/dbus.nix b/modules/system/services/dbus.nix
new file mode 100644
index 0000000..d67ed2b
--- /dev/null
+++ b/modules/system/services/dbus.nix
@@ -0,0 +1,11 @@
+{
+  services.dbus = {
+    enable = true;
+    implementation = "broker";
+
+    # packages = [
+    #   # pkgs.flatpak
+    #   pkgs.xdg-desktop-portal
+    # ];
+  };
+}
diff --git a/modules/system/services/default.nix b/modules/system/services/default.nix
new file mode 100644
index 0000000..44436bd
--- /dev/null
+++ b/modules/system/services/default.nix
@@ -0,0 +1,20 @@
+{ pkgs, ... }:
+{
+  imports = [
+    ./ananicy.nix
+    ./dbus.nix
+    ./libinput.nix
+    ./ollama.nix
+    ./xserver.nix
+  ];
+
+  services = {
+    printing.enable = false;
+    gnome.gnome-keyring.enable = true;
+    fstrim.enable = true;
+    gvfs.enable = true;
+    udev.packages = with pkgs; [ pkgs.logitech-udev-rules ];
+    thermald.enable = true;
+    irqbalance.enable = true;
+  };
+}
diff --git a/modules/system/services/libinput.nix b/modules/system/services/libinput.nix
new file mode 100644
index 0000000..643f814
--- /dev/null
+++ b/modules/system/services/libinput.nix
@@ -0,0 +1,13 @@
+{
+  services.libinput = {
+    enable = true;
+
+    mouse = {
+      accelProfile = "flat";
+    };
+
+    touchpad = {
+      accelProfile = "flat";
+    };
+  };
+}
diff --git a/modules/system/services/ollama.nix b/modules/system/services/ollama.nix
new file mode 100644
index 0000000..2638d12
--- /dev/null
+++ b/modules/system/services/ollama.nix
@@ -0,0 +1,6 @@
+{
+  services.ollama = {
+    enable = false;
+    acceleration = "cuda";
+  };
+}
diff --git a/modules/system/services/xserver.nix b/modules/system/services/xserver.nix
new file mode 100644
index 0000000..e08ac04
--- /dev/null
+++ b/modules/system/services/xserver.nix
@@ -0,0 +1,6 @@
+{
+  services.xserver = {
+    xkb.layout = "us";
+    videoDrivers = [ "nvidia" ];
+  };
+}
diff --git a/modules/system/systemd.nix b/modules/system/systemd.nix
new file mode 100644
index 0000000..9ecb5b2
--- /dev/null
+++ b/modules/system/systemd.nix
@@ -0,0 +1,11 @@
+{ pkgs, ... }:
+{
+  # boot.initrd.systemd.enable = true;
+
+  systemd.services.containerd.path = with pkgs; [
+    containerd
+    runc
+    iptables
+    nvidia-docker
+  ];
+}
diff --git a/modules/system/users.nix b/modules/system/users.nix
new file mode 100644
index 0000000..4055353
--- /dev/null
+++ b/modules/system/users.nix
@@ -0,0 +1,42 @@
+{ pkgs, ... }:
+let
+  initialPassword = "123456";
+in
+{
+  users.users = {
+    root = {
+      inherit initialPassword;
+
+      shell = pkgs.bash;
+    };
+
+    ebisu = {
+      inherit initialPassword;
+
+      isNormalUser = true;
+      shell = pkgs.fish;
+
+      extraGroups = [
+        "wheel"
+        "systemd-journal"
+        "audio"
+        "video"
+        "input"
+        "plugdev"
+        "lp"
+        "tss"
+        "power"
+        "nix"
+        "network"
+        "networkmanager"
+        "wireshark"
+        "mysql"
+        "docker"
+        "podman"
+        "git"
+        "libvirtd"
+        "kvm"
+      ];
+    };
+  };
+}
diff --git a/modules/system/variables.nix b/modules/system/variables.nix
new file mode 100644
index 0000000..7e9b794
--- /dev/null
+++ b/modules/system/variables.nix
@@ -0,0 +1,74 @@
+{
+  environment.variables = {
+    # OpenGL
+    __GL_GSYNC_ALLOWED = "1";
+    __GL_VRR_ALLOWED = "0";
+    __GL_MaxFramesAllowed = "1";
+
+    # Java
+    _JAVA_AWT_WM_NONREPARENTING = "1";
+
+    # Qt
+    QT_AUTO_SCREEN_SCALE_FACTOR = "1";
+    QT_WAYLAND_DISABLE_WINDOWDECORATION = "1";
+    QT_QPA_PLATFORM = "wayland;xcb";
+    DISABLE_QT5_COMPAT = "0";
+    DISABLE_QT_COMPAT = "0";
+    QT_QPA_PLATFORMTHEME = "qt5ct";
+    # QT_STYLE_OVERRIDE = "kvantum";
+
+    # Electron
+    # ELECTRON_OZONE_PLATFORM_HINT = "auto";
+    # OZONE_PLATFORM = "wayland";
+    NIXOS_OZONE_WL = "1";
+
+    # Proton
+    PROTON_ENABLE_NGX_UPDATER = "1";
+
+    # wlroots
+    WLR_NO_HARDWARE_CURSORS = "1";
+    WLR_DRM_NO_ATOMIC = "1";
+    WLR_USE_LIBINPUT = "1";
+    WLR_RENDERER_ALLOW_SOFTWARE = "1";
+    WLR_DRM_DEVICES = "/dev/dri/card0";
+    WLR_EGL_NO_MODIFIERS = "1";
+    WLR_BACKEND = "vulkan";
+    WLR_RENDERER = "vulkan";
+
+    # Mozilla
+    MOZ_ENABLE_WAYLAND = "1";
+    MOZ_DISABLE_RDD_SANDBOX = "1";
+
+    # Nvidia
+    LIBVA_DRIVER_NAME = "nvidia";
+    __GLX_VENDOR_LIBRARY_NAME = "nvidia";
+    GBM_BACKEND = "nvidia-drm";
+    __VK_LAYER_NV_optimus = "NVIDIA_only";
+    __NV_PRIME_RENDER_OFFLOAD = "1";
+    NVD_BACKEND = "direct";
+
+    # Fcitx
+    # https://fcitx-im.org/wiki/Using_Fcitx_5_on_Wayland
+    QT_IM_MODULE = "fcitx";
+    XMODIFIERS = "@im=fcitx";
+    # GTK_IM_MODULE = "wayland";
+    # GTK_IM_MODULE = "fcitx";
+    SDL_IM_MODULE = "fcitx";
+    GLFW_IM_MODULE = "ibus";
+    INPUT_METHOD = "fcitx";
+    CUDA_CACHE_PATH = "$XDG_CACHE_HOME/nv";
+
+    # Other Wayland
+    GDK_BACKEND = "wayland,x11,*";
+    SDL_VIDEODRIVER = "wayland";
+    CLUTTER_BACKEND = "wayland";
+    XWAYLAND_NO_GLAMOR = "1"; # Gamescope
+    ANKI_WAYLAND = "1";
+    XDG_SESSION_TYPE = "wayland";
+
+    # Other
+    GTK_USE_PORTAL = "1";
+    DIRENV_LOG_FORMAT = "";
+    SSH_AUTH_SOCK = "/run/user/1000/keyring/ssh";
+  };
+}