--- category: tool tool: tmux contributors: - ["wzsk", "https://github.com/wzsk"] filename: LearnTmux.txt --- tmux 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 # 2014.10 ### General ########################################################################### # Enable UTF-8 setw -g utf8 on set-option -g status-utf8 on # Scrollback/History limit set -g history-limit 2048 # Index Start set -g base-index 1 # Mouse set-option -g mouse-select-pane on # Force reload of config file unbind r bind r source-file ~/.tmux.conf ### Keybinds ########################################################################### # Unbind C-b as the default prefix unbind C-b # Set new default prefix set-option -g prefix ` # Return to previous window when prefix is pressed twice bind C-a last-window bind ` last-window # Allow swapping C-a and ` using F11/F12 bind F11 set-option -g prefix C-a bind F12 set-option -g prefix ` # Keybind preference setw -g mode-keys vi set-option -g status-keys vi # 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 # Window Cycle/Swap bind e previous-window bind f next-window bind E swap-window -t -1 bind F swap-window -t +1 # Easy split pane commands bind = split-window -h bind - split-window -v unbind '"' unbind % # Activate inner-most session (when nesting tmux) to send commands bind a send-prefix ### Theme ########################################################################### # Statusbar Color Palatte 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 ########################################################################### # Notification setw -g monitor-activity on set -g visual-activity on set-option -g bell-action any set-option -g visual-bell off # 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]" # Show performance counters in statusbar # Requires https://github.com/thewtex/tmux-mem-cpu-load/ set -g status-interval 4 set -g status-right "#[fg=green] | #[fg=white]#(tmux-mem-cpu-load)#[fg=green] | #[fg=cyan]%H:%M #[default]" ``` Tmux | Home
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