How to Fix Codex Sandbox Errors on Ubuntu 24.04
TL;DR: Codex sandbox errors on Ubuntu 24.04 almost always trace back to one thing on freshly installed boxes: AppArmor blocking bwrap. A five-line /etc/apparmor.d/bwrap profile fixed it on my system. If you’re hitting the same wall, paste your error into Claude Code and let it walk you through. 💪 The Symptom: Codex Sandbox Hangs on Ubuntu 24.04 My Codex setup on a fresh Ubuntu 24.04 VM was unusable. Every codex exec call burned 35K to 54K tokens over 2 or