What’s a good key binding for tmux on OS X

tmux

The default tmux binding is ctrl+b, which is pretty awkward to hit on a Mac keyboard, because there's no right control. C-a was the default in screen, but that's the default in OS X for going to the beginning of a line (my shell uses vim mode, but it's inconvenient when ssh'd to other machines). You can't use alt as a meta key, and cmd+a is already used to select all text.

So – what are others using that doesn't override default OS X behavior that works well?

Best Answer

I've been using Ctrl+s for some time. It does not shadow any shell command I know of, and is quite convenient to hit if you also have CapsLock mapped to Ctrl (this can be done from within System Preferences->Keyboard->Modified Keys).

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Open in tmux fails for all files

There seems to be a usernamespace problem if you want to open OS X apps inside tmux.

To fix that install with Homebrew:

brew install reattach-to-user-namespace

and put this inside your ~/.tmux.conf for the Bash shell:

set-option -g default-command "which reattach-to-user-namespace > /dev/null && reattach-to-user-namespace -l /bin/bash || /bin/bash"

after that you should be able to open files also in tmux.

Source I got this information: http://uber.pro/here-fishy-fishy/

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I actually encountered this problem recently on Ubuntu. It happens when tmux can't determine the number of colors supported by the terminal and sets it 8. If I run tmux -2, 256 colors are set and the command suggestions work as expected.

I found a detailed explanation here: https://unix.stackexchange.com/questions/118806/tmux-term-and-256-colours-support

Best Answer

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Open in tmux fails for all files

Fish shell suggests commands in tmux

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