The terminal window blinked once, waiting for your command. You type fast, build faster, and switch between panes like a conductor. Then the new data rules hit, and you realize even your beloved tmux sessions have to meet GDPR compliance.
GDPR compliance in tmux isn’t about the tool itself—it’s about how you use it. Tmux can persist sessions, logs, and scrollback history. If those hold personal data, they fall under strict protection rules. That means you need to manage what data is stored, how it’s stored, and how it’s cleared.
Start with session history. By default, tmux can keep large scrollback buffers. Run set-option -g history-limit with a reasonable line limit or go further—disable it entirely when handling sensitive data. Pair this with clear-history to wipe data from memory when a task is done.
Check logging. Many workflows pipe tmux output to files. Under GDPR, those files are considered stored personal data if they contain identifiers. Rotate logs often. Encrypt them at rest. Make sure old log files are deleted securely, using shredding or zeroing tools.