feat: Add little-rascal laptop config and lab-tool auto-update system
## New Machine: little-rascal - Add Lenovo Yoga Slim 7 14ARE05 configuration (AMD Ryzen 7 4700U) - Niri desktop with CLI login (greetd + tuigreet) - zram swap configuration (25% of RAM with zstd) - AMD-optimized hardware support and power management - Based on congenital-optimist structure with laptop-specific additions ## Lab Tool Auto-Update System - Implement Guile Scheme auto-update module (lab/auto-update.scm) - Add health checks, logging, and safety features - Integrate with existing deployment and machine management - Update main CLI with auto-update and auto-update-status commands - Create NixOS service module for automated updates - Document complete implementation in simple-auto-update-plan.md ## MCP Integration - Configure Task Master AI and Context7 MCP servers - Set up local Ollama integration for AI processing - Add proper environment configuration for existing models ## Infrastructure Updates - Add little-rascal to flake.nix with deploy-rs support - Fix common user configuration issues - Create missing emacs.nix module - Update package integrations 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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47
machines/little-rascal/About.org
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machines/little-rascal/About.org
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#+TITLE: Little Rascal - Development Laptop Configuration
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#+AUTHOR: Geir
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#+DATE: 2025-06-27
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* Machine Overview
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** Name: little-rascal
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Inspired by the Culture ship name "LittleRascal" (GSV) - small but capable, playful personality, perfect for a development laptop that gets into things and experiments.
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** Hardware Type
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Development laptop - portable, personal machine for coding and experimentation.
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** Role & Purpose
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- Primary development machine
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- Portable workstation for coding projects
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- Testing and experimentation platform
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- Personal productivity device
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** Desktop Environment
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- **Display Manager**: CLI login with seatd
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- **Compositor**: Niri (minimal Wayland compositor)
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- **Philosophy**: Minimal, efficient, keyboard-driven workflow
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** Key Features
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- Minimal desktop environment focused on development
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- CLI-first approach with graphical applications when needed
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- Full development toolchain (editors, browsers, containers)
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- Home lab management tools integration
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- Wayland-native setup for modern hardware support
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** Software Focus
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- Development: VSCode, Neovim, Git toolchain
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- Browsers: Firefox, Chromium for testing
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- Containers: Podman for development environments
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- Home Lab: Lab tool for infrastructure management
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- Creative: Lightweight image/video tools when needed
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** Network Role
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- Development workstation
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- Connects to home lab infrastructure
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- Mobile device that can work both at home and remotely
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** Security Profile
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- Personal development machine
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- SSH access for remote development
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- Standard user security model
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- Development-friendly but secure defaults
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126
machines/little-rascal/configuration.nix
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machines/little-rascal/configuration.nix
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# Little Rascal - Development Laptop Configuration
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# Based on congenital-optimist with laptop-specific adjustments
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{
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config,
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pkgs,
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lib,
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inputs,
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unstable,
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...
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}: {
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imports = [
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./hardware-configuration.nix
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# Common modules
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../../modules/common/base.nix
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../../modules/common/nix.nix
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../../modules/common/tty.nix
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../../modules/common/emacs.nix
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# Desktop
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../../modules/desktop/niri.nix
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../../modules/desktop/fonts.nix
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# Development
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../../modules/development/tools.nix
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../../modules/ai/claude-code.nix
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# Users
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../../modules/users/geir.nix
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../../modules/users/common.nix
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../../modules/users/shell-aliases.nix
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# Virtualization
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../../modules/virtualization/libvirt.nix
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../../modules/virtualization/incus.nix
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../../modules/virtualization/podman.nix
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# Audio
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../../modules/sound/pipewire.nix
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# Network
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../../modules/network/common.nix
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../../modules/network/extraHosts.nix
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# Security
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../../modules/security/ssh-keys.nix
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];
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networking = {
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hostName = "little-rascal";
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networkmanager.enable = true;
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# Tailscale for home lab access
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firewall = {
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enable = true;
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allowedUDPPorts = [ 41641 ]; # Tailscale
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allowedTCPPorts = [ 22 ]; # SSH
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};
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};
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# Boot configuration
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boot = {
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loader = {
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systemd-boot.enable = true;
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efi.canTouchEfiVariables = true;
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timeout = 3;
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};
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kernelModules = [ "kvm-amd" "zram" ];
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tmp.cleanOnBoot = true;
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# zram swap like other machines
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kernel.sysctl."vm.swappiness" = 180;
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};
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# zram configuration
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zramSwap = {
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enable = true;
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algorithm = "zstd";
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memoryPercent = 25; # Use 25% of RAM for zram
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};
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# Hardware - minimal for laptop
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hardware = {
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bluetooth.enable = true;
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graphics.enable = true;
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};
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# Laptop-specific services
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services = {
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# Power management for laptop
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power-profiles-daemon.enable = true;
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upower.enable = true;
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# Display manager
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greetd = {
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enable = true;
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settings = {
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default_session = {
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command = "${pkgs.greetd.tuigreet}/bin/tuigreet --time --cmd ${pkgs.zsh}/bin/zsh";
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user = "greeter";
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};
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};
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};
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# Essential services
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tailscale.enable = true;
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blueman.enable = true;
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printing.enable = true;
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# Location services for time zone
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geoclue2.enable = true;
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};
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# Localization
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time.timeZone = "Europe/Oslo";
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i18n.defaultLocale = "en_US.UTF-8";
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console = {
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font = "Lat2-Terminus16";
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keyMap = "no";
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};
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# System version
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system.stateVersion = "25.05";
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}
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125
machines/little-rascal/hardware-configuration.nix
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machines/little-rascal/hardware-configuration.nix
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# Hardware Configuration for Little Rascal
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# Lenovo Yoga Slim 7 14ARE05 - AMD Ryzen 7 4700U
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{ config, lib, pkgs, modulesPath, ... }:
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{
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imports = [
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(modulesPath + "/installer/scan/not-detected.nix")
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];
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# Boot configuration for AMD Ryzen 7 4700U
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boot = {
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initrd = {
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availableKernelModules = [
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"nvme"
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"xhci_pci"
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"usb_storage"
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"sd_mod"
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"sdhci_pci"
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];
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kernelModules = [ ];
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};
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kernelModules = [ "kvm-amd" ]; # AMD Ryzen system
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extraModulePackages = [ ];
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};
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# Filesystem configuration - TEMPLATE
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# Update these paths and UUIDs after running nixos-generate-config
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fileSystems = {
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"/" = {
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device = "/dev/disk/by-uuid/REPLACE-WITH-ROOT-UUID";
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fsType = "ext4";
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};
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"/boot" = {
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device = "/dev/disk/by-uuid/REPLACE-WITH-BOOT-UUID";
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fsType = "vfat";
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options = [ "fmask=0022" "dmask=0022" ];
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};
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};
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# Swap configuration - TEMPLATE
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# Uncomment and update if using swap partition
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# swapDevices = [
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# { device = "/dev/disk/by-uuid/REPLACE-WITH-SWAP-UUID"; }
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# ];
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# Hardware-specific configuration for Lenovo Yoga Slim 7 14ARE05
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hardware = {
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# CPU configuration - AMD Ryzen 7 4700U
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cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
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# Enable firmware updates
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enableRedistributableFirmware = true;
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# Graphics configuration - AMD Radeon Vega (integrated)
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graphics = {
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enable = true;
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enable32Bit = true;
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# AMD integrated graphics drivers
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extraPackages = with pkgs; [
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amdvlk # AMD Vulkan driver
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rocmPackages.clr.icd # OpenCL support
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];
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# 32-bit support for compatibility
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extraPackages32 = with pkgs.driversi686Linux; [
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amdvlk
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];
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};
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# Bluetooth support for Intel AX200
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bluetooth = {
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enable = true;
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powerOnBoot = true;
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};
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};
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# Power management for AMD Ryzen 7 4700U
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powerManagement = {
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enable = true;
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powertop.enable = true; # Power optimization
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cpuFreqGovernor = "powersave"; # Better battery life
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};
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# Network hardware - Intel Wi-Fi 6 AX200
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networking = {
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# Enable NetworkManager for WiFi management
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networkmanager.enable = true;
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# Disable wpa_supplicant (using NetworkManager)
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wireless.enable = false;
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};
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# Firmware for Intel WiFi and Bluetooth
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hardware.firmware = with pkgs; [
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linux-firmware
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];
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# AMD-specific optimizations
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boot.kernelParams = [
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# Enable AMD graphics performance
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"amdgpu.ppfeaturemask=0xffffffff"
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];
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# TLP for better power management (alternative to power-profiles-daemon)
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services.tlp = {
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enable = false; # Using power-profiles-daemon instead
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settings = {
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# Would be configured here if enabled
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CPU_SCALING_GOVERNOR_ON_AC = "performance";
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CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
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};
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};
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# Notes for this specific hardware:
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# - Lenovo Yoga Slim 7 14ARE05
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# - AMD Ryzen 7 4700U with Radeon Vega Graphics
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# - 16GB LPDDR4 RAM (soldered, not upgradeable)
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# - Intel Wi-Fi 6 AX200 + Bluetooth
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# - 128GB SSD storage
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# - Currently running btrfs filesystem
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}
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