Ollama cheatsheet

Ollama: Customizing models

4 common Ollama tasks.

Write a Modelfile

Define a custom model from a base model, with a system prompt and parameters.

FROM llama3.2
PARAMETER temperature 0.3
PARAMETER num_ctx 8192
SYSTEM """
You are a helpful assistant that answers briefly.
"""

Build a model from a Modelfile

Create a model that you can run by name.

ollama create my-assistant -f Modelfile

See a model's Modelfile

Print the Modelfile that a model was built from, a good starting point for your own.

ollama show --modelfile llama3.2

Publish a model

Upload a model to your account on ollama.com. The name must start with your username.

ollama push myuser/my-assistant

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