What is the build script for Codex Linux .deb?

Run ./build-codex-native-deb.sh from git@github.com:johnohhh1/codex-ubuntu.git—pulls official MSIX, wraps in Electron, spits .deb.

How to fix GPU crashes in Electron on Ubuntu?

Add --disable-gpu --no-sandbox --disable-setuid-sandbox to your exec. Works for Codex and kin.

Is OpenAI's Codex officially on Linux?

Nope—Windows MSIX only. This wrapper fakes it perfectly, using their assets and web endpoint.

🤖 AI Dev Tools

From Windows MSIX to Linux .deb: The Gritty Hack That Got OpenAI Codex Running Natively on Ubuntu

Dead end after dead end: invalid ELF headers, silent crashes, GPU failures. One dev's brutal repackaging of OpenAI's Codex from Windows MSIX to a working Linux .deb reveals the hidden costs of platform lock-in.

theAIcatchup Apr 10, 2026 3 min read

Codex app icon on Ubuntu desktop with native window open to code interface

⚡ Key Takeaways

Repackaging OpenAI's Windows Codex MSIX into a Linux .deb requires ditching native modules for a lightweight Electron web wrapper. 𝕏
GPU and sandbox flags are essential fixes; proper .desktop config nails native feel. 𝕏
OpenAI risks dev churn without Linux support—community hacks like this expose the gap. 𝕏

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theAIcatchup

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#Codex Linux #Electron packaging #Electron wrapper #MSIX to deb #OpenAI desktop

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Originally reported by dev.to

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