Flip a DGX Spark (or any Ubuntu box) between its desktop state and a headless
inference-serving state — multi-user.target with the desktop + maintenance
services pared back — handing the unified 128 GB's desktop overhead (~10-15 GB)
back to the GPU KV cache. Companion to Entrpi/qwen3.5-122B-A10B-on-spark.
- serving-mode: on / serve / off / status (persists across reboots)
- serving-mode.conf.example: optional site config (GPU sidecars / model unit)
- examples/vllm-model.service: run the vLLM container under systemd
Entrpi
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