Add plasma module
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Yan Lin
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# NixOS Installation Guide for ThinkPad P14s Gen 2
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This guide will walk you through installing NixOS on your Lenovo ThinkPad P14s Gen 2 with Intel i7 and NVIDIA T500 GPU.
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## Prerequisites
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- USB drive (4GB or larger)
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- NixOS ISO image
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- Ethernet cable or WiFi credentials
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- This configuration repository
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## Step 1: Prepare Installation Media
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1. Download the latest NixOS ISO (GNOME or Plasma edition recommended for GUI installer):
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```bash
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# Download from https://nixos.org/download.html
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# Choose the 64-bit Intel/AMD ISO
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```
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2. Write the ISO to USB drive:
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```bash
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# On Linux/macOS:
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sudo dd if=nixos-24.05-x86_64.iso of=/dev/sdX bs=4M status=progress
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# On Windows: Use Rufus or Etcher
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```
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## Step 2: Boot from USB
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1. Insert the USB drive into your ThinkPad
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2. Press F12 during boot to access boot menu
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3. Select the USB drive
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4. Choose "NixOS Installer" from the boot menu
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## Step 3: Connect to Internet
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### Option A: Ethernet (Easiest)
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Simply plug in an ethernet cable.
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### Option B: WiFi
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```bash
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# List available networks
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sudo nmcli device wifi list
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# Connect to WiFi
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sudo nmcli device wifi connect "YOUR_SSID" password "YOUR_PASSWORD"
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# Verify connection
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ping -c 3 nixos.org
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```
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## Step 4: Prepare Disk
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### IMPORTANT: Identify Your Disk
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```bash
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# List all disks
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lsblk
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# Your NVMe SSD will likely be /dev/nvme0n1
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# Verify the size matches your disk
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```
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### Update Disk Configuration
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Edit the disk device in your configuration if needed:
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```bash
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# If your disk is not /dev/nvme0n1, you'll need to update disk-config.nix
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# after cloning the repository (see next step)
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```
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## Step 5: Clone Configuration Repository
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```bash
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# Install git temporarily
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nix-shell -p git
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# Clone your configuration
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git clone https://github.com/Logan-Lin/nix-config.git
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cd nix-config
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# If needed, update the disk device in hosts/nixos/thinkpad/disk-config.nix
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nano hosts/nixos/thinkpad/disk-config.nix
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# Change 'device = "/dev/nvme0n1"' to match your disk
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```
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## Step 6: Partition Disk with Disko
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```bash
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# This will ERASE your entire disk!
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# Make sure you have backups of any important data
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# Partition the disk according to disk-config.nix
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sudo nix --experimental-features "nix-command flakes" run github:nix-community/disko -- \
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--mode disko \
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--flake .#thinkpad
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```
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## Step 7: Generate Hardware Configuration
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```bash
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# Generate hardware-configuration.nix
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sudo nixos-generate-config --show-hardware-config > hosts/nixos/thinkpad/hardware-configuration.nix
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# Review the generated file
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cat hosts/nixos/thinkpad/hardware-configuration.nix
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```
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## Step 8: Find GPU Bus IDs
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```bash
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# Find your GPU bus IDs for NVIDIA PRIME
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lspci | grep -E 'VGA|3D'
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# You should see something like:
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# 00:02.0 VGA compatible controller: Intel Corporation ...
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# 01:00.0 3D controller: NVIDIA Corporation T500 ...
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# Update system.nix with correct bus IDs:
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nano hosts/nixos/thinkpad/system.nix
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# Find and update these lines with your actual values:
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# intelBusId = "PCI:0:2:0";
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# nvidiaBusId = "PCI:1:0:0";
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```
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## Step 9: Install NixOS
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```bash
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# Install NixOS using the flake configuration
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sudo nixos-install --flake .#thinkpad
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# You will be prompted to set the root password
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# (You can leave it blank since we use SSH keys and sudo)
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```
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## Step 10: Reboot
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```bash
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# Remove the USB drive and reboot
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sudo reboot
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```
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## Step 11: Post-Installation Setup
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After rebooting into your new NixOS system:
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### Login
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- Username: `yanlin`
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- Password: Use the password you know (the hashed one in the config)
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### Apply Home Manager Configuration
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```bash
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# Clone the config repo to your home directory
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cd ~
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git clone https://github.com/Logan-Lin/nix-config.git .config/nix
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# Apply home-manager configuration
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home-manager switch --flake ~/.config/nix#yanlin@thinkpad
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```
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### Verify NVIDIA Setup
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```bash
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# Check if NVIDIA driver is loaded
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lsmod | grep nvidia
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# Test NVIDIA offload
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nvidia-offload glxgears
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# Check GPU status
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nvidia-smi
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```
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### Set Up Power Management
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```bash
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# Check TLP status
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sudo tlp-stat
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# Monitor battery
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acpi -b
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# Check CPU frequency scaling
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cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
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```
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## Troubleshooting
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### WiFi Not Working
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- Some ThinkPad models need newer kernel: Already using latest kernel in config
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- Check if WiFi is blocked: `rfkill list`
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### NVIDIA Issues
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- If NVIDIA doesn't work, boot with integrated graphics only:
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- Comment out the nvidia configuration in system.nix
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- Rebuild: `sudo nixos-rebuild switch --flake ~/.config/nix#thinkpad`
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### Display Manager Not Starting
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- Switch to TTY (Ctrl+Alt+F2)
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- Check logs: `journalctl -xeu display-manager`
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### Battery Drain
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- Ensure TLP is running: `systemctl status tlp`
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- Check if NVIDIA is always on: `cat /proc/acpi/bbswitch`
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- Use `powertop` to identify power-hungry processes
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## Useful Commands
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```bash
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# Rebuild system configuration
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sudo nixos-rebuild switch --flake ~/.config/nix#thinkpad
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# Rebuild home configuration
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home-manager switch --flake ~/.config/nix#yanlin@thinkpad
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# Update system
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nix flake update ~/.config/nix
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sudo nixos-rebuild switch --flake ~/.config/nix#thinkpad
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# Check system health
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nixos-option system.stateVersion
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nix-store --verify --check-contents
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# Clean up old generations
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sudo nix-collect-garbage -d
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```
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## KDE Plasma Tips
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- **Global Theme**: System Settings → Appearance → Global Theme
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- **Display Configuration**: System Settings → Display and Monitor
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- **Power Management**: System Settings → Power Management
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- **NVIDIA Settings**: Run `nvidia-settings` from terminal or application menu
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- **Virtual Desktops**: System Settings → Workspace → Virtual Desktops
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## Running Applications with NVIDIA GPU
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To run applications using the discrete NVIDIA GPU:
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```bash
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# Use the nvidia-offload command (alias: nvidia-run)
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nvidia-offload firefox
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nvidia-offload steam
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nvidia-run blender
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```
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## Notes
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- The configuration includes Firefox add-ons support for the home-manager setup
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- Claude Code is available after home-manager installation
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- The system is configured for maximum battery life with TLP
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- NVIDIA GPU is set to power-saving offload mode by default
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- KDE Plasma 6 with Wayland support is configured
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@ -1,10 +1,12 @@
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{ config, pkgs, firefox-addons, ... }:
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{ config, pkgs, firefox-addons, plasma-manager, ... }:
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{
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# Import the common NixOS home configuration
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imports = [
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../home-default.nix
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../../../modules/firefox.nix
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../../../modules/plasma.nix
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plasma-manager.homeModules.plasma-manager
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];
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# Enable Firefox with NixOS-specific package
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