tmux-config 0,2,1,0

:green_book: Example tmux configuration - screen + vim key-bindings, system stat, cpu load bar.

Tmux is a terminal multiplexer. Tested with tmux 1.5+.

This config has support for tmux-mem-cpu-load.

Prefix mapped to Ctrl-A for screen users.

New to tmux? Pre-order a copy of my new book The Tao of tmux. Scheduled for release this December.

Want more tmux? Check out the libtmux python library for controlling tmux, and load your code projects via YAML/JSON with tmuxp.



git clone ~/.tmux

Copy tmux config to home:

ln -s ~/.tmux/.tmux.conf ~/.tmux.conf

Go to config dir:

cd ~/.tmux



Works on Linux and OS X.

Prep ourself to download submodule:

git submodule init

Download submodule:

git submodule update

Change dir to tmux-mem-cpu-load:

cd ~/.tmux/vendor/tmux-mem-cpu-load

General make file:

cmake .

Compile our binary:


Install our binary to /usr/local/bin/tmux-mem-cpu-load:

sudo make install

Go home:

cd ~

Launch tmux:


And press Control + a then d to go back to the terminal.

Update config:

tmux source-file ~/.tmux.conf


(Cross platform, tested with python 2.7+)

Update March 19, 2014. Works with psutil 2.0 now.

Install psutil:

sudo pip install psutil

copy ~/.tmux/vendor/basic-cpu-and-memory.tmux to bin:

sudo cp ~/.tmux/vendor/basic-cpu-and-memory.tmux /usr/local/bin/tmux-mem-cpu-load

make executable:

sudo chmod +x /usr/local/bin/tmux-mem-cpu-load

Powerline (Advanced)

You can add suport for powerline by adding these to your ~/.tmux.conf. Be sure to grab and install powerline-fonts for your system.

See Powerline on for more info.

# pip install --user git+git://
if-shell 'test -f ~/.local/lib/python2.7/site-packages/powerline/bindings/tmux/powerline.conf' 'source-file ~/.local/lib/python2.7/site-packages/powerline/bindings/tmux/powerline.conf'

# [sudo] pip install git+git://
if-shell 'test -f /usr/local/lib/python2.7/site-packages/powerline/bindings/tmux/powerline.conf' 'source-file /usr/local/lib/python2.7/site-packages/powerline/bindings/tmux/powerline.conf'

# [sudo] pip install git+git://
if-shell 'test -f /usr/local/lib/python2.7/dist-packages/powerline/bindings/tmux/powerline.conf' 'source-file /usr/local/lib/python2.7/dist-packages/powerline/bindings/tmux/powerline.conf'
# using python3.3
if-shell 'test -f /usr/local/lib/python3.3/dist-packages/powerline/bindings/tmux/powerline.conf' 'source-file /usr/local/lib/python3.3/dist-packages/powerline/bindings/tmux/powerline.conf'
# python 3.4?
# if-shell 'test -f /usr/local/lib/python3.4/dist-packages/powerline/bindings/tmux/powerline.conf' 'source-file /usr/local/lib/python3.4/dist-packages/powerline/bindings/tmux/powerline.conf'

Start tmux

To start a session:


To reattach a previous session:

tmux attach

To reload config file

<Control + b>: (which could Ctrl-B or Ctrl-A if you overidden it) then source-file ~/.tmux.conf


Our prefix/leader key is Control + a now (just like the screen multiplexer). This sequence must be typed before any tmux shortcut.

  • Control + a before any command
  • Control + a then ? to bring up list of keyboard shortcuts
  • Control + a then " to split window
  • Control + a then <Space> to change pane arrangement
  • Control + a then o to rotate panes
  • Control + a then h, j, k, l to move left, down, up, right. Respectively. (vim hjkl)
  • Control + a then ; to go to last panel

Beyond your first window:

  • Control + a then c to create a new window
  • Control + a then n to next window
  • Control + a then p to previous window
  • Control + a then [0-9] move to window number
  • Control + a then & to kill window


  • Control + a then m to switch to main-horizontal layout with the main window at 60% height.

More configs / Tools

  • Save / Load your tmux workspaces through JSON or YAML with tmuxp.
  • Clone + Synchronize your git / hg / svn projects through JSON / YAML with vcspull.
  • Modular, Lazy-loading vim configuration with support for C, C++, Python, Go and Javascript with tony/vim-config
  • Modular dot-config example tony/.dot-config


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