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nexoniarz-config-nixos-laptop/README.md
Nexoniarz 654a689fe1 Bring laptop in line with desktop config: Plasma 6, Limine, module split 
The laptop was still on the Hyprland-era Pantheon commit while the desktop
moved to KDE Plasma 6 + Limine and split system.nix into focused modules.
This brings over everything that isn't hardware, unchanged, so both machines
stay diffable:

- Plasma 6 on Wayland with SDDM, Konsole, gruvbox icons, KDE MIME defaults
  (replaces Pantheon/LightDM; libreoffice-qt6 replaces the GTK build)
- Limine bootloader with the gruvbox theme, replacing systemd-boot
- system.nix split into boot/networking/locale/nix-settings/security
- flakes + nix-command, sysctl hardening extras (yama, tcp_timestamps),
  geoclue off, captive-portal probe off
- package parity: obs-studio, lmms, go, qemu, KDE utilities, lean SDR++ and
  rtl_433 overrides with hardware.rtl-sdr

Hardware and power are adapted rather than copied:

- hardware.nix keeps the AMD 680M + RTX 4050 PRIME offload setup, asusd and
  supergfxd, v4l2loopback webcam and the DualSense ERTM fix; OpenRGB and
  the desktop's single-GPU block are dropped, keyboard lighting is asusctl
- power.nix is new: power-profiles-daemon for Plasma's profile switcher,
  lid-close handling via the current logind.settings.Login spelling,
  powertop/acpi, notes on asusctl charge limits
- no acpi_enforce_resources=lax, ACPI owns the EC asusd drives here
- touchpad defaults, and firewall openings so the hotspot script's shared
  connection can hand out DHCP/DNS
- pinentry-qt instead of the desktop's leftover pinentry-rofi, blueman
  dropped in favour of Plasma's bluedevil

hardware-configuration.nix stays tracked here (unlike the desktop, which
gitignores it) since it's the only record of this machine's disk layout.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-25 00:02:56 +02:00

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nexoniarz-config-nixos-laptop

My personal NixOS system configuration tailored for daily use on an ASUS TUF Gaming A15 (FA507NU). Same layout and same choices as nexoniarz-config-nixos (the desktop), with the hardware and power modules swapped for this machine.

Overview

  • OS: NixOS 26.05 (unstable channel)
  • Desktop: KDE Plasma 6 on Wayland (KWin), SDDM
  • Bootloader: Limine
  • Terminal: Konsole
  • Shell: Zsh
  • Audio: PipeWire
  • CPU: AMD Ryzen 5 7535HS
  • GPU: AMD Radeon 680M (iGPU, drives the internal panel) + NVIDIA RTX 4050 Max-Q (dGPU, PRIME render offload only — run anything through it with nvidia-offload <command>)
  • Laptop control: asusctl (fan curves, keyboard backlight, battery charge limit) + supergfxctl (dGPU power-state switching)

Layout

File Contents
configuration.nix Imports only
hardware-configuration.nix Generated by nixos-generate-config, don't hand-edit
modules/boot.nix Limine, kernel, zram/swap
modules/networking.nix NetworkManager, firewall, DNS-over-TLS, MAC randomization
modules/locale.nix Timezone, locale, console keymap
modules/nix-settings.nix Nix features, GC, unfree
modules/security.nix sysctl hardening, sudo, firejail, GnuPG, polkit
modules/hardware.nix Hybrid graphics (PRIME offload), ASUS daemons, Bluetooth, I2C, RTL-SDR, webcam loopback, tablet, printing
modules/power.nix Power profiles, lid/suspend behaviour, battery notes
modules/audio.nix PipeWire
modules/desktop.nix Plasma, SDDM, touchpad, fonts, theming
modules/users.nix Account, shell, Steam, Flatpak
modules/apps.nix Installed packages, nix-ld
modules/default-apps.nix MIME associations
modules/scripts.nix Custom scripts in modules/scripts/

Small custom CLI helpers live in modules/scripts/: encrypted vault toggle, metadata stripping, brightness control (kernel backlight or DDC/CI), Wi-Fi hotspot, system telemetry, weather fetch.

Differences from the desktop config

Everything outside hardware is kept identical on purpose. What differs:

  • modules/hardware.nix — AMD iGPU + NVIDIA dGPU on PRIME offload with asusd/supergfxd, instead of the desktop's single NVIDIA card and OpenRGB motherboard lighting. Keyboard lighting is asusctl aura here.
  • modules/power.nix — laptop-only module: power-profiles-daemon (Plasma's power profile switcher), lid-close behaviour, powertop/acpi.
  • modules/desktop.nix — adds touchpad defaults and the Wayland/Ozone flag.
  • modules/boot.nix — no acpi_enforce_resources=lax; ACPI owns the EC that asusd talks to on this machine.
  • modules/networking.nix — firewall openings for the hotspot script's ipv4.method shared dnsmasq.
  • modules/security.nix — pinentry-qt (Plasma) rather than the desktop's leftover pinentry-rofi.

Made by Nexoniarz