Claude Code does not handle dropped connections gracefully. If your SSH connection breaks mid-session -- on an airplane, a flaky hotel network, or just your laptop sleeping -- the session dies silently and all progress is lost.
The fix is tmux. Run Claude Code inside a tmux session on a remote machine (a Mac Mini, a home server, a cloud VPS) and your laptop becomes just a window into a persistent session that keeps running on the other box.
# SSH into your remote machine
ssh user@your-mac-mini
# Create a named tmux session
tmux new -s claude
# Run Claude Code inside it
claude
# Later, if you disconnect -- just reconnect and reattach
ssh user@your-mac-mini
tmux attach -t claude
When wifi drops over the Atlantic, tmux keeps the Claude session running on the remote machine. Reconnect when you land and the session is exactly where you left it -- mid-task, mid-file, mid-thought.
This is especially valuable for long-running tasks where Claude is building something substantial. You don't want a flaky connection to cancel 40 minutes of work.
It pairs naturally with running Claude Code on a dedicated box that stays on 24/7, so you can also kick off a long task, close your laptop, and pick it back up later without losing anything.
Your Claude session should outlive your wifi. tmux makes that happen.
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