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authorkaernyk <kaernyk@users.noreply.github.com>2014-09-09 21:54:24 -0400
committerkaernyk <kaernyk@users.noreply.github.com>2014-09-09 21:54:24 -0400
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+---
+category: tool
+tool: tmux
+contributors:
+ - ["kaernyk", "http://github.com/kaernyk"]
+filename: LearnTmux.txt
+---
+
+
+<a href="http://tmux.sourceforge.net/">
+tmux</a> is a terminal multiplexer: it enables a number of terminals to be
+created, accessed, and controlled from a single screen. tmux may be detached
+from a screen and continue running in the background, then later reattached.
+
+
+```
+ tmux [command] # Run a command
+ # 'tmux' with no commands will create a new session
+
+ new # Create a new session
+ -s "Session" # Create named session
+ -n "Window" # Create named Window
+ -c "/dir" # Start in target directory
+
+ attach # Attach last/available session
+ -t "#" # Attach target session
+ -d # Detach the session from other instances
+
+ ls # List open sessions
+ -a # List all open sessions
+
+ lsw # List windows
+ -a # List all windows
+ -s # List all windows in session
+
+ lsp # List panes
+ -a # List all panes
+ -s # List all panes in session
+ -t # List app panes in target
+
+ kill-window # Kill current window
+ -t "#" # Kill target window
+ -a # Kill all windows
+ -a -t "#" # Kill all windows but the target
+
+ kill-session # Kill current session
+ -t "#" # Kill target session
+ -a # Kill all sessions
+ -a -t "#" # Kill all sessions but the target
+
+
+
+## Key Bindings
+
+# The method of controlling an attached tmux session is via key combinations
+# called 'Prefix' keys.
+
+------------------------------------------------------------------------------
+
+ (C-b) = Ctrl + b # 'Prefix' combination required to use keybinds
+
+ (M-1) = Meta + 1 -or- Alt + 1
+
+------------------------------------------------------------------------------
+
+ ? # List all key bindings.
+ : # Enter the tmux command prompt.
+ r # Force redraw of the attached client.
+ c # Create a new window.
+
+ ! # Break the current pane out of the window.
+ % # Split the current pane into two, left and right.
+ " # Split the current pane into two, top and bottom.
+
+ n # Change to the next window.
+ p # Change to the previous window.
+ { # Swap the current pane with the previous pane.
+ } # Swap the current pane with the next pane.
+
+ s # Select a new session for the attached client interactively.
+ w # Choose the current window interactively.
+ 0 to 9 # Select windows 0 to 9.
+
+ d # Detach the current client.
+ D # Choose a client to detach.
+
+ & # Kill the current window.
+ x # Kill the current pane.
+
+ Up, Down # Change to the pane above, below, left, or right.
+ Left, Right
+
+ M-1 to M-5 # Arrange panes:
+ # 1) even-horizontal
+ # 2) even-vertical
+ # 3) main-horizontal
+ # 4) main-vertical
+ # 5) tiled.
+
+ C-Up, C-Down # Resize the current pane in steps of one cell.
+ C-Left, C-Right
+
+ M-Up, M-Down # Resize the current pane in steps of five cells.
+ M-Left, M-Right
+
+
+
+### Configuring ~/.tmux.conf
+
+ tmux.conf can be used to set options automatically on start up, much
+like how .vimrc or init.el are used.
+
+# Example tmux.conf
+# 2014.9
+
+
+### Keybinds
+###########################################################################
+
+# Unbind C-b as the default prefix
+unbind-key C-befix C-a
+
+# Return to previous window when prefix is pressed twice
+bind-key C-a last-window
+bind-key ` last-window
+
+# Allow swapping C-a and ` using F11/F12
+bind-key F11 set-option -g prefix C-a
+bind-key F12 set-option -g prefix `
+
+# Activate inner-most session (when nesting tmux)
+# to send commands
+bind-key a send-prefix
+
+# Index Start
+set -g base-index 1
+
+# Window Cycle/Swap
+bind e previous-window
+bind f next-window
+bind E swap-window -t -1
+bind F swap-window -t +1
+
+# easy-to-remember split pane commands
+bind | split-window -h
+bind - split-window -v
+unbind '"'
+unbind %
+
+# moving between panes with vim movement keys
+bind h select-pane -L
+bind j select-pane -D
+bind k select-pane -U
+bind l select-pane -R
+
+
+### Theme
+###########################################################################
+
+# Statusbar Color Palette
+set-option -g status-justify left
+set-option -g status-bg black
+set-option -g status-fg white
+set-option -g status-left-length 40
+set-option -g status-right-length 80
+
+# Pane Border Color Palette
+set-option -g pane-active-border-fg green
+set-option -g pane-active-border-bg black
+set-option -g pane-border-fg white
+set-option -g pane-border-bg black
+
+# Message Color Palette
+set-option -g message-fg black
+set-option -g message-bg green
+
+# Window Status Color Palette
+setw -g window-status-bg black
+setw -g window-status-current-fg green
+setw -g window-status-bell-attr default
+setw -g window-status-bell-fg red
+setw -g window-status-content-attr default
+setw -g window-status-content-fg yellow
+setw -g window-status-activity-attr default
+setw -g window-status-activity-fg yellow
+
+
+### UI
+###########################################################################
+
+# Statusbar
+set-option -g status-utf8 on
+
+# Keybind preference
+setw -g mode-keys vi
+set-option -g status-keys vi
+
+# Notification
+setw -g monitor-activity on
+set -g visual-activity on
+set-option -g bell-action any
+set-option -g visual-bell off
+
+# Mouse
+setw -g mode-mouse on
+set-option -g mouse-select-pane on
+set -g mouse-resize-pane on
+set -g mouse-select-window on
+
+# Automatically set window titles
+set-option -g set-titles on
+set-option -g set-titles-string '#H:#S.#I.#P #W #T' # window number,program name,active (or not)
+
+# Statusbar Adjustments
+set -g status-left '#[fg=red]#H#[fg=green]:#[fg=white]#S #[fg=green]][#[default] '
+set -g status-interval 3
+
+# Statusbar with right-aligned Date / Time
+#set -g status-right ' #[fg=green]][#[fg=white] #T #[fg=green]][ #[fg=blue]%Y-%m-%d #[fg=white]%H:%M#[default] '
+
+# Show performance counters in statusbar
+# Requires https://github.com/thewtex/tmux-mem-cpu-load/
+#set -g status-right ' #[fg=green]][#[fg=white] #(tmux-mem-cpu-load 5 4) #[fg=green]][ #[fg=yellow]%H:%M#[default] '
+
+
+### Misc
+###########################################################################
+
+# Scrollback/History limit
+set -g history-limit 4096
+
+bind r source-file ~/.tmux.conf
+```
+
+### External Resources
+
+<a href="http://tmux.sourceforge.net/">Tmux | Home</a><br>
+<a href="http://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man1/tmux.1?query=tmux">Tmux Manual page</a><br>
+<a href="http://wiki.gentoo.org/wiki/Tmux">Archlinux Wiki</a><br>
+<a href="https://wiki.archlinux.org/index.php/Tmux">Gentoo Wiki</a><br>
+<a href="https://stackoverflow.com/questions/11558907/is-there-a-better-way-to-display-cpu-usage-in-tmux">Display CPU/MEM % in statusbar</a><br>