Deep Down the Rabbit Hole: Bash, OverlayFS, and a 30-Year-Old Surprise
Deep Down the Rabbit Hole: Bash, OverlayFS, and a 30-Year-Old Surprise This blog post recounts a recent debugging session that uncovered a surprising set of issues involving Bash, getcwd() , and OverlayFS. What began as a simple customer bug report evolved into a deep dive worth sharing. Initial Bug Report A customer reported that OpenSSH scp failed after switching to OverlayFS. We found the following error in the logs: shell-init: error retrieving current directory: \ getcwd: cannot access