An AI Terminal Assistant
At Your Service
© Lead Image © Milosh Kojadinovich, 123RF.com
Gemini CLI helps you write, debug, and test your code, all from the command line.
Artificial intelligence (AI) is revolutionizing the way we interact with the Linux terminal. Google's Gemini command-line interface (CLI) [1], an AI agent, brings the power of Gemini to the command line. Gemini CLI crawls your code trying to understand its logic and then shows you how to improve your code.
In this article, I'll show you how to install Gemini CLI on a Ubuntu 22.04 system. I'll then use Gemini CLI to write, debug, and test my code based on my daily workflow to help you understand the process.
Prerequisites and System Preparation
To onboard Gemini CLI on an Ubuntu machine, you will need to install Node.js v20 or higher (as of October 2025), because Gemini CLI uses Node Package Manager (npm) for installation. I have Ubuntu 22.04 installed on my system, so I can verify that Node.js is installed with
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