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Emma Thorpe 69ba65bde3 docs(sway): note the Wayland greeter login in READMEs

Document the greetd/ReGreet greeter in the top-level README and the T400
and Mac Pro install notes, including that the user account needs a
password set before the greeter can authenticate.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

2026-06-09 18:14:00 +01:00

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Mac Pro 3,1 (Early 2008) — install notes

Flake host: lyrathorpe-macpro31. Desktop (portable = false, imports ../../modules/desktop.nix). Files: configuration.nix, hardware-configuration.nix.

Hardware configuration

hardware-configuration.nix here is a hand-written placeholder. On the real machine, run nixos-generate-config, replace the file, and commit it. It assumes by-label partitions — ESP ESP (vfat, mounted at /boot), root nixos (ext4), and swap — so either label them at install time or swap in the generated UUIDs.

Bootloader

The Mac Pro 3,1 has 64-bit EFI, so it uses systemd-boot (no GRUB/CSM shim). canTouchEfiVariables = false because Apple's firmware does not reliably accept efibootmgr NVRAM writes.

Apple-EFI quirk: if the firmware boot picker does not show NixOS after install, either

uncomment boot.loader.efi.efiInstallAsRemovable = true; in configuration.nix (installs the fallback \EFI\BOOT\BOOTX64.EFI), and/or
"bless" the ESP from macOS.

Partition the disk GPT with an ESP (vfat).

Graphics

The stock card varies between units — ATI Radeon HD 2600 XT or NVIDIA GeForce 8800 GT. No proprietary driver is hardcoded; Sway relies on in-tree KMS:

ATI Radeon HD 2600 XT → radeon (or amdgpu) KMS
NVIDIA GeForce 8800 GT → nouveau KMS

These come up automatically. If a card needs forcing, set services.xserver.videoDrivers and/or add the module to boot.initrd.kernelModules for early KMS (see the comment in configuration.nix).

Networking

Wired Ethernet via NetworkManager (from desktop.nix) — the Mac Pro has two gigabit ports.

Graphical login via a Wayland greeter — greetd running ReGreet inside the cage kiosk compositor — configured centrally in lyrathorpe/swaywm.nix for every Sway host (gated on features.swayDesktop.enable). The greeter is forced to the Dvorak layout to match the console and Sway session. Set the user password (passwd lyrathorpe) after install, or the greeter cannot authenticate. Requires working KMS (radeon/nouveau — see Graphics).

Apply

sudo nixos-rebuild switch --flake .#lyrathorpe-macpro31

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