Tmux configuration

Customized, self-contained tmux customization with many unique features

Table of contents

• Installation
• Features
  • Remote connection
  • Status line
  • Copy Mode
• Key bindings

Installation

1. Clone the repository

git clone git@github.com:rda3mon/tmux.git ~/.tmux_runtime

2. Install tmux

ln -s ~/.tmux_runtime/tmux.conf ~/.tmux.conf && tmux source-file ~/.tmux.conf

Features

1) Duplicate ssh sessions: This will be very useful if you often work on remote machines. With a single keypress, you will be able to login to the same remote machine.

2) Custom pane title: Pane title has a lot of information about the what is going on in that particular pane. More information is available if pane is running a ssh connection to a remote host.

• Parent Process ID of the pane shell
• Command that is running
• Process id of the command
• CPU, memory and load factor by that process
• If ssh into a remote box, cpu memory and load factor of the remote instance

3) Copy paste functionality: Copy paste works in 2 modes.

NOTE: Works only if you have xclip installed.

• Using Vi Mode: This config has vi mode enabled, using short cuts. <prefix> + [ to enter into vi mode and once selection is done, press Enter to copy text into clipboard

• Using Mouse: In this mode, you can drag using mouse to select any text, at the end of mouse drag release, the selected text will be copied to clipboard

4) Customized shortcuts: Lot of convenient shortcuts were added which are listed below

Key bindings

The power of tmux comes from its configurability and every action can be controlled by key-bindings. Here are the list of keybindings which are configured with this configuration. prefix means ctrl + a pressed together.

• prefix: ctrl + a. If you are using tmux, you are well aware of prefix.
• prefix + ?: All of the key-bindings are availble here, you need not visit this page at all.
• prefix + r: Reload tmux config to pick up the latest one.
• prefix + C-p: Show copy buffer last 10 items

Session related bindings

• prefix + $: Rename session
• prefix + d: Detach the tmux session
• prefix + s: Show tmux sessions
• prefix + (: Switch previous session and rotate backwords
• prefix + ): Switch next session and rotate forwards

Window related bindings

• prefix + c: Create a new window and switch to it
• prefix + n: Rotate to next window
• prefix + p: Rotate to previous window
• prefix + 0 to 9: To go to specific window
• prefix + ,: Rename current window

Pane related bindings

• prefix + ": Split pane vertically
• prefix + %: Split pane horizontally
• prefix + !: Move current pane to new window
• prefix + q: Show pane numbers
• prefix + x: Kill selected pane
• prefix + space: To change pane layout
• prefix + {: To move pane left
• prefix + }: To move pane right
• prefix + z: To toggle pane zoom
• prefix + C-d: Duplicate pane with copy command of what is currently running. Such as ssh into some instance. C-d means you have to press Ctrl + d together.
• prefix + C-p: Toggle logging of current pane to /tmp/tmux_{pane_pid}.log
• prefix + C-s: Toggle pane synchronisation. Meaning type on all panes together.

Copy mode related bindings

• prefix + [: Enter Copy mode. In this mode, you can perform following sub commands
  • ?: Search upwards
  • /: Search downwards
  • v: vi visual mode for text selection
  • y: vi copy text
  • r: vi rectangle copy
  • q: quit copy mode
  • C-u: Page up
  • C-d: Page down
  • Most of the vi navigation key-bindings work here, such as h, j, k, l, n, N, etc

Misc bindings. Following are without prefix

• Meta + 1 to Meta + 9: For selecting windows from 1 to 9
• Ctrl + up / down / left / right: For navigating between panes