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diff --git a/tmux.html.markdown b/tmux.html.markdown new file mode 100644 index 00000000..c11da5fc --- /dev/null +++ b/tmux.html.markdown @@ -0,0 +1,251 @@ +--- +category: tool +tool: tmux +contributors: + - ["mdln", "https://github.com/mdln"] +filename: LearnTmux.txt +--- + + +[tmux](http://tmux.sourceforge.net) +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]" + +``` + + +### References + +[Tmux | Home](http://tmux.sourceforge.net) + +[Tmux Manual page](http://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man1/tmux.1?query=tmux) + +[Gentoo Wiki](http://wiki.gentoo.org/wiki/Tmux) + +[Archlinux Wiki](https://wiki.archlinux.org/index.php/Tmux) + +[Display CPU/MEM % in statusbar](https://stackoverflow.com/questions/11558907/is-there-a-better-way-to-display-cpu-usage-in-tmux) |