feat: initial NixOS home lab infrastructure setup
- Add modular flake-based NixOS configuration - Implement GitOps foundation with CI/CD pipeline - Create comprehensive documentation and branching strategy - Add modular desktop environments (GNOME, Cosmic, Sway) - Configure virtualization stack (Incus, Libvirt, Podman) - Set up development tools and hardware-specific modules - Establish user configuration with literate programming support This commit represents the completion of Phase 1: Flakes Migration with modular configuration, virtualization, and GitOps foundation.
This commit is contained in:
Geir Okkenhaug Jerstad
commit
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103
machines/congenital-optimist/About.org
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103
machines/congenital-optimist/About.org
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#+TITLE: CongenitalOptimist Workstation
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#+DESCRIPTION: AMD Threadripper 1920X based development workstation for Home-lab
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#+AUTHOR: geir
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#+DATE: 2024
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* CongenitalOptimist: A GSV, for a machine you hope will always perform well.
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** Hardware Specifications
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- *CPU*: AMD Ryzen Threadripper 1920X @ 3.50GHz (12 cores, 24 threads)
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- *GPU*: AMD Radeon RX Vega [Discrete]
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- *RAM*: 64GB DDR4 (currently 28.85 GiB used / 62.68 GiB total)
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- *Architecture*: x86_64
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- *Platform*: AMD TR4 Socket
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- *Form Factor*: High-End Desktop (HEDT)
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** Role & Purpose
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CongenitalOptimist serves as the primary development workstation and creative powerhouse for the Home-lab infrastructure. True to its Culture name, it approaches every computational challenge with unwavering optimism and substantial processing capability.
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*** Primary Functions
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- Software development and compilation
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- Virtual machine hosting and testing
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- Container orchestration and development
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- Creative workloads (video editing, 3D rendering)
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- Multi-desktop environment testing
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*** Secondary Functions
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- Network storage client (NFS from SleeperService)
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- Build server for NixOS configurations
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- Media consumption and streaming
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- Gaming and entertainment
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- System administration hub
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** Software Configuration
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- *OS*: NixOS 25.05
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- *Hostname*: congenital-optimist
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- *Desktop Environments*: GNOME, Cosmic, Sway
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- *Shell*: Zsh with modern CLI tools
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- *Editor Stack*: Emacs, Neovim, VSCode, Zed
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- *Containerization*: Podman, Incus
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- *Virtualization*: libvirt/KVM with virt-manager
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** Network Configuration
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- *Tailscale*: Enabled for secure remote access
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- *NFS Client*: Mounts from SleeperService file server
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- *SSH*: Enabled for remote development
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- *Firewall*: NFTables with restrictive default rules
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- *DNS*: Systemd-resolved with custom entries
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** Storage Architecture
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- *Root Filesystem*: ZFS (zpool/root)
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- *Nix Store*: ZFS (zpool/nix)
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- *User Data*: ZFS (zpool/home)
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- *Variable Data*: ZFS (zpool/var)
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- *Games*: ZFS (stuffpool/games)
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- *VMs*: ZFS (stuffpool/virtual)
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- *Network Storage*: NFS mount from SleeperService
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** Development Environment
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CongenitalOptimist embodies the Culture's optimistic approach to problem-solving. With 24 threads of Threadripper processing power and abundant memory, it tackles complex development tasks with confidence and capability.
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*** Configured Development Tools
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- Multiple language runtimes (Rust, Python, Go, Guile)
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- Language servers for intelligent code completion
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- Container development with Podman
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- VM development with libvirt
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- Git workflow with GitHub CLI integration
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- AI-assisted development with GitHub Copilot
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*** Desktop Experience
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- GNOME: Full-featured desktop for productivity
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- Cosmic: Modern System76 desktop experience
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- Sway: Tiling window manager for focused development
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- Consistent theming and font configuration
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- Modern CLI tools (eza, bat, ripgrep, starship)
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** Culture Context
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Like its namesake GSV, CongenitalOptimist believes that with sufficient processing power and well-designed software, any problem can be solved. It maintains an optimistic outlook even during intensive compilation tasks or complex virtualization scenarios.
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The Threadripper architecture mirrors the Culture's philosophy of abundant resources applied intelligently - why have 4 cores when you can have 24? Why settle for basic graphics when you can have Vega-class rendering?
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** Operational Philosophy
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- *Performance*: Leverage all 24 threads for parallel workloads
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- *Reliability*: ZFS ensures data integrity and snapshot capabilities
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- *Flexibility*: Multiple desktop environments for different tasks
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- *Integration*: Seamless interaction with SleeperService file server
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- *Optimization*: NixOS configuration management for reproducible setups
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** Power Profile
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- High-performance desktop configuration
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- Always-on development environment
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- Efficient resource utilization across cores
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- Temperature monitoring for sustained workloads
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- Balanced performance and power consumption
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** Future Expansion
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- Additional memory for larger virtual machine workloads
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- NVMe storage expansion for local high-speed storage
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- GPU compute acceleration for AI/ML workloads
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- Network upgrade for faster SleeperService connectivity
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- Multi-monitor setup expansion
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* "The ship had been constructed to be a tool, to do a job of work; and the fact that it had been invested with intelligence had not changed the essence of what it was."
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*- Iain M. Banks, describing the optimistic spirit that drives CongenitalOptimist*
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54
machines/congenital-optimist/configuration.nix
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54
machines/congenital-optimist/configuration.nix
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{
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config,
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pkgs,
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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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# System modules
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../../modules/system/fonts.nix
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../../modules/system/network.nix
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../../modules/system/applications.nix
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# Hardware modules
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../../modules/hardware/amd-workstation.nix
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# Desktop environments
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../../modules/desktop/common.nix
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../../modules/desktop/gnome.nix
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../../modules/desktop/cosmic.nix
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../../modules/desktop/sway.nix
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# Development tools
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../../modules/development/tools.nix
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# User configuration
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../../modules/users/geir.nix
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# Virtualization configuration
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../../modules/virtualization/incus.nix
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../../modules/virtualization/libvirt.nix
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../../modules/virtualization/podman.nix
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];
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# Boot configuration
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boot.loader.grub = {
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enable = true;
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zfsSupport = true;
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efiSupport = true;
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efiInstallAsRemovable = true;
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mirroredBoots = [
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{
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devices = ["nodev"];
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path = "/boot";
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}
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];
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};
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# Basic system configuration
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nixpkgs.config.allowUnfree = true;
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system.stateVersion = "23.11"; # DO NOT CHANGE - maintains data compatibility
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}
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68
machines/congenital-optimist/hardware-configuration.nix
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machines/congenital-optimist/hardware-configuration.nix
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# Do not modify this file! It was generated by ‘nixos-generate-config’
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# and may be overwritten by future invocations. Please make changes
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# to /etc/nixos/configuration.nix instead.
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{ config, lib, 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.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usb_storage" "usbhid" "sd_mod" ];
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boot.initrd.kernelModules = [ ];
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boot.kernelModules = [ "kvm-amd" ];
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boot.extraModulePackages = [ ];
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fileSystems."/" =
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{ device = "zpool/root";
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fsType = "zfs";
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};
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fileSystems."/nix" =
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{ device = "zpool/nix";
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fsType = "zfs";
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};
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fileSystems."/var" =
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{ device = "zpool/var";
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fsType = "zfs";
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};
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fileSystems."/home" =
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{ device = "zpool/home";
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fsType = "zfs";
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};
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fileSystems."/boot" =
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{ device = "/dev/disk/by-uuid/257B-AB7E";
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fsType = "vfat";
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};
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fileSystems."/home/geir/games" =
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{ device = "stuffpool/games";
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fsType = "zfs";
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};
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fileSystems."/home/geir/virtual" =
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{ device = "stuffpool/virtual";
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fsType = "zfs";
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};
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fileSystems."/mnt/storage/media" =
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{ device = "files:/mnt/storage";
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fsType = "nfs";
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options = [ "x-systemd.automount" "noauto" "x-systemd.idle-timeout=600" ];
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};
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swapDevices = [ ];
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# Enables DHCP on each ethernet and wireless interface. In case of scripted networking
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# (the default) this is the recommended approach. When using systemd-networkd it's
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# still possible to use this option, but it's recommended to use it in conjunction
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# with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
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networking.useDHCP = lib.mkDefault true;
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# networking.interfaces.enp4s0.useDHCP = lib.mkDefault true;
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# networking.interfaces.enp6s0.useDHCP = lib.mkDefault true;
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# networking.interfaces.wlp5s0.useDHCP = lib.mkDefault true;
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nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
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hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
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}
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