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nixos-4screen/docs/nixos_build_spec.md
2026-02-08 14:01:06 +11:00

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NixOS Build Spec (sam-4screen-desktop)

Disk / Boot (DO NOT BRICK WINDOWS)

Target disk: /dev/nvme0n1 Install target is NVMe only. Do not select /dev/sdX devices in the installer.

KEEP (do not format):

  • /dev/nvme0n1p1 (EFI vfat) UUID=94CC-9DA4
  • /dev/nvme0n1p2 (MS reserved)
  • /dev/nvme0n1p3 (Windows NTFS) UUID=8294CD2994CD2111
  • /dev/nvme0n1p4 (Windows recovery NTFS) UUID=6E1AA32B1AA2EEF1

WIPE + install NixOS here:

  • /dev/nvme0n1p5 (currently Ubuntu ext4 /) UUID=4e99904c-ce6f-4c3c-898a-e29cfc373489

Other attached disks (DO NOT FORMAT)

  • /dev/sda (240GB) model: Patriot Burst El (KEEP)
    • /dev/sda1: Microsoft reserved partition (~15MiB)
    • /dev/sda2: NTFS label "Back Up" (keep)
  • /dev/sdb (500GB) ext4 label "TempBackup" (keep)
  • /dev/sdc (320GB) ext4 label "Integral300" UUID=27febd74-20aa-4a3a-92c1-6fdd1ad7e88e (mount at /data)
  • /dev/sde (160GB) ext4 label "XPSystemDrive" (keep)

Bootloader:

  • systemd-boot, using the existing EFI partition (/dev/nvme0n1p1)

Networking

  • Use NetworkManager
  • Static IPv4 for wired: enp0s31f6 = 192.168.20.27/24
  • Gateway: 192.168.20.1
  • DNS: 192.168.20.35, 192.168.20.13

Data drive mount

  • Integral300 ext4 UUID=27febd74-20aa-4a3a-92c1-6fdd1ad7e88e
  • Mountpoint on NixOS: /data (preferred)

Desktop

  • Primary compositor: Niri
  • Display/login manager: TBD (recommend greetd)
  • GPU: Intel HD 630 + NVIDIA Quadro P620 (confirm which drives monitors)

Secrets policy

  • No API keys or WiFi PSKs committed to git