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The Tmux FAQ explicitly advises against setting TERM to anything other than screen or screen-256color or tmux or tmux-256color in your shell init file, so don't do it!

Here's what I use:

~$ which tmux
tmux: aliased to TERM=xterm-256color tmux

and in in my .tmux.conf:

set -g default-terminal "screen-256color"

Aliasing tmux to "tmux -2" should also do the trick.

The Tmux FAQ explicitly advises against setting TERM to anything other than screen or screen-256color or tmux or tmux-256color in your shell init file, so don't do it!

Here's what I use:

~$ which tmux
tmux: aliased to TERM=xterm-256color tmux

and in in my .tmux.conf:

set -g default-terminal "screen-256color"

Aliasing tmux to "tmux -2" should also do the trick.

And don't forget to restart your tmux server: (see @mast3r answer)

tmux kill-server && tmux

The Tmux FAQ explicitly advises against setting TERM to anything other than screen or screen-256color in your shell init file, so don't do it!

Here's what I use:

~$ which tmux
tmux: aliased to TERM=xterm-256color tmux

and in in my .tmux.conf:

set -g default-terminal "screen-256color"

Aliasing tmux to "tmux -2" should also do the trick.

The Tmux FAQ explicitly advises against setting TERM to anything other than screen or screen-256color or tmux or tmux-256color in your shell init file, so don't do it!

Here's what I use:

~$ which tmux
tmux: aliased to TERM=xterm-256color tmux

and in in my .tmux.conf:

set -g default-terminal "screen-256color"

Aliasing tmux to "tmux -2" should also do the trick.

The tmux FAQ ( https://raw.githubusercontent.com/tmux/tmux/master/FAQ ) explicitly advises against setting TERM to anything other than screen or screen-256color in your shell init file, so don't do it!

Here's what I use:

~$ which tmux
tmux: aliased to TERM=xterm-256color tmux

and in in my .tmux.conf:

set -g default-terminal "screen-256color"

Aliasing tmux to "tmux -2" should also do the trick.

The Tmux FAQ explicitly advises against setting TERM to anything other than screen or screen-256color in your shell init file, so don't do it!

Here's what I use:

~$ which tmux
tmux: aliased to TERM=xterm-256color tmux

and in in my .tmux.conf:

set -g default-terminal "screen-256color"

Aliasing tmux to "tmux -2" should also do the trick.