local LLM setup with ollama

install ollama: 1. download ollama https://ollama.com/download and double click to install. 2. Run "ollama serve" and "ollama --version" to verify 3. ollama website search deepsek, find the version to install, say: ollama pull deepseek-r1:8b. or openai: ollama pull gpt-oss:20b 4. run the model: ollama run deepseek-r1. (ollama list) 5. /bye to quit 6. Ollama is command-line by default, but for a web-based interface Install open-webui (make sure python is 3.11) pip install open-webui open-webui serve Visit http://http://0.0.0.0:8080/ in your browser, sign up, and connect to your Ollama models. It looks just like ChatGPT. uninstall ollama: 1. ollama ps 2. ollama stop 3. Drag the Ollama app to the Trash, or right-click and select Move to Trash 4. rm -rf ~/.ollama 5. rm ~/Library/LaunchAgents/com.ollama.ollama.plist (optional)