5051dfdc8c
- modules/t490.nix: TLP power management, CPU throttling (throttled), S3 sleep, remote Nix builders (cluster), fwupd, fprintd, fprintd, Syncthing, Tailscale, Intel VA-API, TrackPoint sensitivity, PipeWire defaults - flake.nix: add nixos-hardware input, import T490 module + nixos-hardware - docs/T490-HARDWARE.md: WiFi variants, graphics, audio, fingerprint, sleep guide - docs/T490-BATTERY.md: TLP config, threshold strategy, real-world battery numbers - docs/T490-OFFLOADING.md: local vs cluster split, remote builder setup - MIGRATION.md: add T490 post-install steps (fwupd, fprint, remote build key) - README.md: reflect new module and docs structure
141 lines
4.5 KiB
Markdown
141 lines
4.5 KiB
Markdown
# Laptop Migration: MacBook → x86_64 NixOS
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## Order of operations
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### 1. Install NixOS
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Boot the NixOS ISO on the new laptop. Partition, format, mount to `/mnt`.
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```bash
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# Generate base config
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nixos-generate-config --root /mnt
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# Then rebuild from the flake (replaces generated config):
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sudo nixos-rebuild switch --flake git+https://os.scoble.me/forgejo/sscoble/laptop-config.git#laptop --root /mnt
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```
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### 2. First build: npmDepsHash
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The first `nixos-rebuild` will fail with a hash mismatch error for pi-coding-agent. The error output contains the correct hash:
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```
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error: hash mismatch in fixed-output derivation ...
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specified: sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
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got: sha256-1q2w3e4r5t6y7u8i9o0p1q2w3e4r5t6y7u8i9o0p1q=
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```
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Copy the `got:` hash, paste into `flake.nix` → `npmDepsHash = "sha256-..."`. Commit, push, rebuild.
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### 3. Transfer secrets (before reboot!)
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From the MacBook, while both laptops are on the same LAN:
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```bash
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# SSH keys
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scp ~/.ssh/id_ed25519 ~/.ssh/id_ed25519.pub new-laptop:~/.ssh/
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# Pi agent config (has API keys — do NOT commit to git)
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scp ~/.pi/agent/SYSTEM.md new-laptop:~/.pi/agent/
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scp ~/.pi/agent/models.json new-laptop:~/.pi/agent/
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scp ~/.pi/agent/mcp.json new-laptop:~/.pi/agent/
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scp ~/.pi/agent/settings.json new-laptop:~/.pi/agent/
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scp ~/.pi/agent/auth.json new-laptop:~/.pi/agent/
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# Wallpapers
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scp ~/path/to/wallpaper.jpg new-laptop:~/wallpapers/default.jpg
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```
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### 4. Transfer projects
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Push any repos not yet in Forgejo, then re-clone:
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```bash
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# From MacBook: push scobleclaw to Forgejo
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cd ~/Projects/scobleclaw
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git remote add forgejo https://os.scoble.me/forgejo/sscoble/scobleclaw.git
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git push forgejo main
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# From new laptop: re-clone
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cd ~/Projects
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git clone https://os.scoble.me/forgejo/sscoble/scobleclaw.git
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git clone https://os.scoble.me/forgejo/sscoble/wgu.git
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# Other projects: rsync or push individually
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rsync -avz --progress ~/Projects/other-project/ new-laptop:~/Projects/other-project/
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```
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### 5. Transfer documents and media
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```bash
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# Documents (small, ~30MB)
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rsync -avz --progress ~/Documents/ new-laptop:~/Documents/
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# Personal media (larger — be selective)
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rsync -avz --progress ~/Pictures/ new-laptop:~/Pictures/
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rsync -avz --progress ~/Music/ new-laptop:~/Music/
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```
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### 6. Reboot and login
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```bash
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sudo reboot
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# Login via greetd → sscoble password → Hyprland starts
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# SUPER+Return → ghostty with zellij
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```
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### 7. Verify everything works
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```bash
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pi # pi agent should start
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qmd status # vault search
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zotero # reference manager
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obsidian ~/vault # vault notes
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code ~/Projects/scobleclaw # VS Code
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# OB1 tunnel
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ssh -fNL 3987:localhost:3987 n97-mini
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curl -s http://localhost:3987/health # should return ok
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# Discord: @mention Marcus in #speaker-site
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```
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### 8. T490 hardware setup
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```bash
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# Firmware updates (BIOS, EC, Thunderbolt, fingerprint reader)
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fwupdmgr refresh && fwupdmgr update
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# May need to disable Boot Order Lock in BIOS first
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# Enroll fingerprint
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fprintd-enroll
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# Check sleep mode
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cat /sys/power/mem_sleep
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# Should show [deep] if S3 is available and configured
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# Set up remote build SSH key
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sudo ssh-keygen -t ed25519 -f /root/.ssh/remote-build -N ""
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# Copy /root/.ssh/remote-build.pub to each cluster node's /root/.ssh/authorized_keys
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# Set up Syncthing (pair with cluster nodes for vault sync)
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systemctl --user enable --now syncthing
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```
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## Files to NOT transfer
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These contain caches, build artifacts, or macOS-specific junk:
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- `~/Library/` — macOS only
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- `~/Applications/` — macOS apps
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- `~/.ollama/` — model cache (too large, re-download)
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- `~/.cargo/` — rust cache
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- `~/.bun/` — bun cache
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- `~/.npm/` — npm cache
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- `~/go/` — go module cache
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- `~/tmp/` — temp files
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- `~/Downloads/` — temp downloads (clean first, then selectively transfer)
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- `~/.Trash/` — obviously
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## Post-migration checklist
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- [ ] `pi` works
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- [ ] `qmd status` works
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- [ ] `vscode` opens with typst LSP
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- [ ] `zotero` launches
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- [ ] `obsidian ~/vault` opens vault
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- [ ] `brave` launches and syncs
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- [ ] SSH keys work (`ssh n97-mini`)
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- [ ] OB1 tunnel works
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- [ ] Hyprland: SUPER+D opens rofi, SUPER+Return opens ghostty+zellij
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- [ ] Discord: @mention Marcus → gets a reply
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- [ ] Wallpaper appears after login
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- [ ] Firmware updated (`fwupdmgr update`)
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- [ ] Fingerprint enrolled (`fprintd-enroll`)
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- [ ] S3 sleep working (`cat /sys/power/mem_sleep` shows `[deep]`)
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- [ ] Remote Nix builders working (`nix build --rebuild nixpkgs#hello`)
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- [ ] Syncthing running for vault sync
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