To uninstall Ollama from Ubuntu, follow these comprehensive steps:

1. Stop and Disable the Service

First, stop the Ollama service and prevent it from starting automatically on boot:

sudo systemctl stop ollama
sudo systemctl disable ollama

2. Remove Ollama Files and Directories

Delete the Service File Remove the Ollama service file:

sudo rm /etc/systemd/system/ollama.service

3.Remove the Ollama Binary

Delete the Ollama executable:

sudo rm ${which ollama}

4. Clean Up Ollama Data and Configuration

Remove Ollama’s data directory and configuration files:

sudo rm -r /usr/share/ollama
rm -rf ~/.ollama

6. Remove Ollama User and Group

Delete the Ollama user and group from the system: This step may not be necessary if you have not created a separate user for Ollama.

sudo userdel ollama
sudo groupdel ollama

7.Verify Uninstallation

To ensure Ollama has been completely removed, you can run:

systemctl list-units --type=service | grep ollama

If you no longer see the Ollama service listed, you have successfully uninstalled it.

Conclusion

By following these steps, you have successfully uninstalled Ollama from your Ubuntu.