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+:PROPERTIES:
+:ID: ebf221fd-e5be-49d4-a078-6113e2e5e3f2
+:END:
+
+#+title: azos/beacon-wsl
+#+filetags: :project: :knowledge: :beacon-wsl:
+
+:PROPERTIES:
+:ID: azos-beacon-wsl
+:END:
+
+#+title: azos/beacon-wsl
+#+filetags: :project: :knowledge: :beacon-wsl:
+
+[[id:bf4dde56-0967-4374-94ed-771301e47c66][azos]]
+
+* Overview
+
+NixOS-WSL instance running on a Windows machine on the local network.
+
+- Static IP: =192.168.1.200=
+- GPU: NVIDIA RTX 3050, 6GB VRAM, CUDA 13.2
+- Config: =_machines/beacon-wsl.nix= → =nixos/configuration-beacon-wsl.nix=
+
+* SSH Access
+
+Uses YubiKey GPG key (=cardno:29_109_265=) — same key as lauretta. Authorized key
+is set in =users.users.aner.openssh.authorizedKeys.keys= in the NixOS config.
+Password auth disabled; root login disabled.
+
+* Remote Deployment
+
+Build locally and copy FAILS due to unsigned path rejection by remote Nix daemon.
+Must build on the target host itself:
+
+#+begin_src bash
+nixos-rebuild switch \
+  --flake '/home/aner/azos?submodules=1#beacon-wsl' \
+  --target-host aner@192.168.1.200 \
+  --build-host aner@192.168.1.200 \
+  --elevate=sudo
+#+end_src
+
+* CUDA / GPU
+
+- =programs.nix-ld.enable = true= required to run WSL-provided binaries (nvidia-smi, etc.)
+- =nvidia-smi= lives at =/usr/lib/wsl/lib/nvidia-smi=; needs =LD_LIBRARY_PATH=/usr/lib/wsl/lib=
+- =hardware.graphics.enable = true= exposes GPU via WSL2 paravirtualization
+- CUDA-enabled torch works via nix shell with =config.cudaSupport = true= (see =roll= project flake)
+
+* Windows-Side Setup
+
+- Mirrored networking: =C:\Users\<user>\.wslconfig= with =[wsl2] networkingMode=mirrored=
+- Windows Firewall inbound rule for TCP port 22 required (=-Profile Any=)
+- Static IP set via Windows network adapter settings