GGUF
conversational

Linxrn (GGUF)

Linxrn is a small Linux-only debugging and help assistant. It is fine-tuned from Qwen3-0.6B, it thinks inside <think> tags before answering, and it is built to stay on Linux topics.

This is an early prototype. It was trained on 27 hand-written examples as a proof that the pipeline works end to end. It will ramble, make guesses, and sometimes give weak advice. It is not ready for production use or for anything where a wrong command could cause damage.

Files

File Description
linxrn-Q4_K_M.gguf Quantized model, about 397 MB, runs on CPU with under 1 GB of RAM
Modelfile Ollama config that points at the GGUF and sets the system prompt

Quick start with Ollama

  1. Install Ollama from https://ollama.com
  2. Download linxrn-Q4_K_M.gguf and Modelfile into the same folder.
  3. Create and run the model:
ollama create linxrn -f Modelfile
ollama run linxrn

Try a question like apt says E: Unable to locate package htop.

Intended use

  • Explaining common Linux errors and what they usually mean
  • Suggesting diagnostic commands, such as checking logs, service status, or package lists
  • Giving step-by-step troubleshooting for apt, systemd, permissions, networking, disks, and similar topics

Limitations

  • Trained on only 27 examples, so coverage is very narrow
  • Can produce long, repetitive reasoning and sometimes irrelevant steps
  • Can give incorrect or outdated commands. Check every command before running it, especially anything involving rm, dd, mkfs, fdisk, or boot settings
  • Does not know your system. Always share your distro, kernel version, and the full error text when asking for help

Training details

  • Base model: Qwen/Qwen3-0.6B
  • Method: LoRA fine-tuning (r=16, alpha=32) with TRL SFTTrainer, 2 epochs, learning rate 2e-4
  • Data: 27 hand-written rows of Linux troubleshooting questions with a thinking trace and an answer
  • Export: merged to fp16, converted to GGUF with llama.cpp, quantized to Q4_K_M
  • Hardware: single Tesla T4 GPU on Google Colab

Roadmap

  • Build a larger, cleaned Linux Q&A dataset with reasoning traces
  • Retrain and compare against this prototype
  • Add evaluation on a held-out set of Linux problems

License

Apache 2.0, matching the base model.

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GGUF
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Architecture
qwen3
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