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Tmux allows one to move through panes using Ctrl-b + (→, ←, ↑, ↓).

I would like to remap this to:

Ctrl-b + Ctrl-(l, j, i, k).

For reference, the layout of the keys l,j,i,k is similar to that of the arrow keys, but they are easier to type without moving the hand.

I have been editing a few things here and there on the .tmux.conf, but I could not find information on how to rebind the above commands.

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man tmux | less -p select-pane – jasonwryan Mar 3 '13 at 19:46
up vote 6 down vote accepted

tmux list-keys (or prefix + ? in dfault settings) will give you current key mappings in the form of commands needed to set them up. See man tmux, the command name is bind-key (and you might want to remove the default bindings with unbind-key).

You might also want to consider more "standard" combination hjkl, known from vi and clones (all keys in the home row), especially if you are a fast typist.

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If you want to stick to vim-like navigation, would be useful to remap the resize-pane also:

# vim-like pane resizing  
bind -r C-k resize-pane -U
bind -r C-j resize-pane -D
bind -r C-h resize-pane -L
bind -r C-l resize-pane -R

# vim-like pane switching
bind -r k select-pane -U 
bind -r j select-pane -D 
bind -r h select-pane -L 
bind -r l select-pane -R 

# and now unbind keys
unbind Up     
unbind Down   
unbind Left   
unbind Right  

unbind C-Up   
unbind C-Down 
unbind C-Left 
unbind C-Right

I'll show you my .tmux.conf as a reference

And by the way, don't forget to remap the 'horizontal-split' in case you have it on the h key as it will interfere with your pane-resize and pane-switch.

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