introduction to tmux - codementor tmux office hours part 1

Starting Tmux

Problem with the vanilla console app?

• managing (huge) number of terminals

• example terminals for just one project

Problem with the vanilla console app?

• example terminals multiple projects

Solution?Tmux - terminal multiplexer

• “Core” features:

• multiple windows

• window splits (horizontal & vertical)

• sessions (groups of windows)

• persistant env

• Other advanced features

Installing Tmux

• Mac$ brew install tmux$ brew install reattach-to-user-namespace (fixes pbpaste)

• Linux$ apt-get install -y tmux

Recommended configuration• ~/.tmux.conf - tmux config file

• remap default “prefix” from Ctrl-b to Ctrl-a

• set -g prefix C-a # in .tmux.conf

• remap Caps Lock to Ctrl (on a system level)

Demo: starting tmux

• just type $ tmux

Demo: creating new windows

• prefix + c

Demo: navigating windows

• previous window: prefix + p • next window: prefix + n • specific window: prefix + <num>

Demo: splitting windows

• vertical split: prefix + % • horizontal split: prefix + “

*unusual choiceof keys

Demo: split movement

• prefix + <arrow key>

Demo: creating sessions

• prefix + :new -s session_name *veryinconvenient

Demo: switching sessions

• switch session: prefix + s • navigate sessions: j, k (or arrow keys)

Demo: detaching tmux

• detach: prefix + d • attach: $ tmux attach

Tmux demo roundup• manipulating windows

• manipulating splits

• manipulating sessions

• some quirky defaults => Tmux configuration

Basic Tmux configuration• very configurable

• any key-binding can be changed

• “community standards” - things everyone has in their .tmux.conf

Configuration via plugins• tmux-sensible

- handles tmux quirks and boilerplate configuration

• tmux-pain-control- convenient basic key bindings

• tmux-sessionist- better session handling

Installing plugins

Plugin benefits

• less tmux quirks • more vim :)

Next steps?• look up tmux copy mode (scrollback)

• $ man tmux

• use tmux daily

• tmux book

• more pluginshttps://github.com/tmux-plugins

Questions?