Security Installation Guide for Linux
When deploying Codex CLI in a Linux environment (Ubuntu 20.04+/Debian 10+), it is recommended to secure it with a Docker containerization solution:
- environmental preparation
- Install Node.js >= 22 and Git >= 2.23
- Configuring the Docker Runtime Environment
- Secure Installation Procedure
- Run the container through the official script:
./run_in_container.sh - Automatically configure firewall rules to allow only OpenAI API access
- Mount the current directory as a sandbox workspace
- Run the container through the official script:
- Key Management: Temporarily set API keys via environment variables to avoid writing permanent configurations
Important note: Installation of npm packages using sudo is prohibited and should be done via thechownFix permissions issues. Use after installationcodex --helpcommand to verify success.
This answer comes from the articleOpenAI Codex CLI: Terminal Command Line AI Coding Assistant Released by OpenAIThe
May not be reproduced without permission:AI productivity tools " How to safely install and use Codex CLI on Linux systems?
