machine learning machine learning deployment How to Fine-Tune LFM2 Using QLoRA and DPO: A Complete Step-by-Step Coding Tutorial on Google Colab – MarkTechPost Google Inc. June 3, 2026 June 3, 2026 How to Fine-Tune LFM2 Using QLoRA and DPO: A Complete Step-by-Step Coding Tutorial on Google Colab MarkTechPost