8

I installed tmux using homebrew on Mac OSX Lion a while back. Suddenly the keybindings have stopped working. For example if I try Ctrl-b then c (Create new window) it just types c in the terminal window. How can I fix this and make tmux useable again?

  • have you changed your .tmuxconf file? Are you using the default terminal or iterm2. iterm2 has buil in tmux integration now. – lampShade Mar 30 '12 at 0:21
  • I have not changed .tmuxconf, and tmux does not work in the default terminal or iterm2 – HighLife Mar 30 '12 at 18:37
  • Also when I ssh into another computer from my Mac, and use tmux, the keybindings work fine. – HighLife Mar 30 '12 at 18:47
19

I fixed this by deleting my ~/.tmux.conf and using tmux kill-server

  • 3
    tmux kill-server worked for me. I didn't need to delete ~/.tmux.conf. – oalders Feb 24 '13 at 2:17
  • To anyone reading this - kill-server kills your tmux session. Part of me knew that, but not the same part that copy pasted tmux kill-server hoping it'd fix my issues. Try the other fix first. – Achal Dave Jul 1 '15 at 23:15
5

Depending on your situation, "kill-server" might be overkill.

For me, the non working keys is fixed by just detaching the client that stopped working, and re attaching to it; in a different terminal:

tmux detach-client -s mysession
tmux attach-session -t mysession

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