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Michael Bolin
d3dd0d759b
## Why The post-merge `rust-ci-full` run for #18999 still failed the Ubuntu remote `suite::remote_env` sandboxed filesystem tests. That run checked out merge commit `ddde50c611e4800cb805f243ed3c50bbafe7d011`, so the arg0 guard lifetime fix was present. The Docker-backed failure had two remaining pieces: - The sandboxed filesystem helper needs to execute Codex through the `codex-linux-sandbox` arg0 alias path. The helper sandbox was only granting read access to the real Codex executable parent, so the alias parent also has to be visible inside the helper sandbox. - The remote-env tests were building sandbox contexts with `FileSystemSandboxContext::new()`, which captures the local test runner cwd. In the Docker remote exec-server, that host checkout path does not exist, so spawning the filesystem helper failed with `No such file or directory` before the helper could process the request. ## What Changed - Track all helper runtime read roots instead of a single root. - Add both the real Codex executable parent and the `codex-linux-sandbox` alias parent to sandbox readable roots. - Avoid sending an unused local cwd in remote filesystem sandbox contexts when the permission profile has no cwd-dependent entries. - Build the Docker remote-env test sandbox contexts with a cwd path that exists inside the container. - Add unit coverage for the alias-parent root and remote sandbox cwd handling. ## Verification - `cargo test -p codex-exec-server` - `cargo test -p codex-core remote_test_env_sandboxed_read_allows_readable_root` - `just fix -p codex-exec-server` - `just fix -p codex-core`
d3dd0d759b
·
2026-04-22 21:34:22 +00:00
5,688 Commits
npm i -g @openai/codex
or brew install --cask codex
Codex CLI is a coding agent from OpenAI that runs locally on your computer.
If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.
If you want the desktop app experience, run
codex app or visit the Codex App page.
If you are looking for the cloud-based agent from OpenAI, Codex Web, go to chatgpt.com/codex.
Quickstart
Installing and running Codex CLI
Install globally with your preferred package manager:
# Install using npm
npm install -g @openai/codex
# Install using Homebrew
brew install --cask codex
Then simply run codex to get started.
You can also go to the latest GitHub Release and download the appropriate binary for your platform.
Each GitHub Release contains many executables, but in practice, you likely want one of these:
- macOS
- Apple Silicon/arm64:
codex-aarch64-apple-darwin.tar.gz - x86_64 (older Mac hardware):
codex-x86_64-apple-darwin.tar.gz
- Apple Silicon/arm64:
- Linux
- x86_64:
codex-x86_64-unknown-linux-musl.tar.gz - arm64:
codex-aarch64-unknown-linux-musl.tar.gz
- x86_64:
Each archive contains a single entry with the platform baked into the name (e.g., codex-x86_64-unknown-linux-musl), so you likely want to rename it to codex after extracting it.
Using Codex with your ChatGPT plan
Run codex and select Sign in with ChatGPT. We recommend signing into your ChatGPT account to use Codex as part of your Plus, Pro, Business, Edu, or Enterprise plan. Learn more about what's included in your ChatGPT plan.
You can also use Codex with an API key, but this requires additional setup.
Docs
This repository is licensed under the Apache-2.0 License.