TMux

tmux is an open-source terminal multiplexer for Unix-like operating systems. It allows multiple terminal sessions to be accessed simultaneously in a single window. It is useful for running more than one command-line program at the same time.

Cheat Sheet

misc: ─────────────────────────────────────────────────────── Ctrl + a → ‎:  » Enter command mode	misc: ─────────────────────────────────────────────────────── Ctrl + a → ‎?  » List key bindings
session: ─────────────────────────────────────────────────────── Ctrl + a → ‎w  » Session and Window Preview Ctrl + a → ‎(  » Move to previous session Ctrl + a → ‎)  » Move to next session Ctrl + a → ‎d  » Detach from session Ctrl + a → ‎s  » Show all sessions Ctrl + a → ‎$  » Rename session Ctrl + a → ‎ʘ  » Ctrl + a → ʘ  »	window: ─────────────────────────────────────────────────────── Ctrl + a → ‎n  » Next window Ctrl + a → ‎w  » List windows Ctrl + a → ‎p  » Previous window Ctrl + a → ‎c  » Create a new window Ctrl + a → ‎&  » Close active window Ctrl + a → ‎,  » Rename active window Ctrl + a → ‎1  » Toggle last active window Ctrl + a → 0…9  » Switch to window by number
pane: ─────────────────────────────────────────────────────── Ctrl + a → ‎x  » Close active pane Ctrl + a → ‎q  » Show pane numbers Ctrl + a → ‎q + 0…9  » Switch pane by number Ctrl + a → ‎|  » Split pane vertically Ctrl + a → ‎-  » Split pane horizontally Ctrl + a → ;  » Toggle last active pane Ctrl + a → z  » Toggle active pane zoom Ctrl + a → {  » Move the active pane left Ctrl + a → ‎}  » Move the active pane right Ctrl + a → !  » Convert pane into a window	pane: ─────────────────────────────────────────────────────── Ctrl + a → ‎Ctrl + ← » Pane width resize Ctrl + a → ‎Ctrl + → » Pane width resize Ctrl + a → ‎Ctrl + ↑ » Pane height resize Ctrl + a → ‎Ctrl + ↓ » Pane height resize Ctrl + a → ‎↑  » Switch to pane up Ctrl + a → ↓  » Switch to pane down Ctrl + a → o  » Switch to next pane Ctrl + a → ←  » Switch to pane left Ctrl + a → →  » Switch to pane right Ctrl + a → ‎Spacebar » Toggle between pane layouts
vi copy: ─────────────────────────────────────────────────────── Ctrl + a → ‎[  » Enter copy mode Ctrl + a → ‎PgUp  » Copy mode & scroll one page up → g  » Go to top line → G  » Go to bottom line → h  » Move cursor left → j  » Move cursor down → k  » Move cursor up → l  » Move cursor right → w  » Move cursor forward one word → b  » Move cursor backward one word	vi copy: ─────────────────────────────────────────────────────── → q  » Quit mode → ‎↑  » Scroll up → ↓  » Scroll down → /  » Search forward → ?  » Search backward → Spacebar » Start selection → Esc  » Clear selection → n  » Next keyword occurrence → N  » Previous keyword occurrence Ctrl + a → ‎]  » Paste contents of buffer_0

Installation

sudo apt install tmux
sudo apt install powerline
git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm

cat << EOF | tee ${HOME}/.tmux.conf >/dev/null
set -g base-index 1
# remap prefix from 'c-b' to 'c-a'
unbind C-b
set-option -g prefix c-a
bind-key c-a send-prefix

set -g default-terminal 'screen-256color'
set -g history-limit 10000

# window/pane split
bind | split-window -h
bind - split-window -v
unbind '"'
unbind %

# list of plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-yank'
set -g @plugin 'tmux-plugins/tmux-battery'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-prefix-highlight'

# initialize tmux plugin manager
run '~/.tmux/plugins/tpm/tpm'
EOF

Powerline

sudo apt install build-essential libssl-dev libffi-dev libgmp3-dev libpq-dev
sudo apt install python-is-python3 python3-dev python3-pip python3-venv
python3 -m venv ~/.venv/powerline --prompt="Powerline"
source ~/.venv/powerline/bin/activate
pip install wheel
pip install powerline-status

---

# powerline font installation:
# ────────────────────────────
git clone https://github.com/powerline/fonts.git --depth=1
./fonts/install.sh && rm -rf fonts/
ls -lah ${HOME}/.local/share/fonts/

# powerline daemon config:
# ────────────────────────
mkdir -p ${HOME}/.config/powerline
cp -r ${HOME}/.venv/powerline/lib/python3.10/site-packages/powerline/config_files/* ${HOME}/.config/powerline/
powerline-daemon --replace

---

echo -E "$(jq '(.ext.shell|select(.theme=="default")).theme="default_leftonly"'\
 ${HOME}/.config/powerline/config.json)">\
 ${HOME}/.config/powerline/config.json

echo -E "$(jq '(.segments.left[]|select(.function=="powerline.segments.common.vcs.branch")).args={"status_colors":true}'\
 ${HOME}/.config/powerline/themes/shell/default_leftonly.json)">\
 ${HOME}/.config/powerline/themes/shell/default_leftonly.json

Powerline » Vim

---

# ~/.vimrc
set rtp+=${HOME}/.venv/powerline/lib/python3.10/site-packages/powerline/bindings/vim/

set laststatus=2

Powerline » Bash

---

# powerline configuration
if [ -f ${HOME}/.venv/powerline/lib/python3.10/site-packages/powerline/bindings/bash/powerline.sh ]; then
  powerline-daemon -q
  POWERLINE_BASH_CONTINUATION=1
  POWERLINE_BASH_SELECT=1
  source ${HOME}/.venv/powerline/lib/python3.10/site-packages/powerline/bindings/bash/powerline.sh
fi

Powerline » TMux

---

# ~/.tmux.conf
set -g default-terminal "screen-256color"
source "${HOME}/.venv/powerline/lib/python3.10/site-packages/powerline/bindings/tmux/powerline.conf"

Knowledge

tmux ls tmux new -s my_session tmux attach-session -t 0 tmux attach-session -t my_session Ctrl + a % » Split pane horizontally Ctrl + a " » Split pane vertically Ctrl + a x » Close current pane	Ctrl + a c » Create a new window Ctrl + a w » Choose window from a list Ctrl + a 0 » Switch to window by number Ctrl + a , » Rename the current window Ctrl + a o » Go to the next pane Ctrl + a ; » Toggle between pane Ctrl + a d » Detach the session	tmux ls tmux kill-server tmux list-sessions tmux kill-session -a tmux kill-session -t {index} pkill -f tmux ps aux | grep tmux
GIT_INSTALL_STATUS="$(dpkg-query -W --showformat='${db:Status-Status}' 'git' 2>&1)" if [[ ! $? -eq 0 ]]||[[ ! "${GIT_INSTALL_STATUS}" -eq 'installed' ]];then printf 'sudo apt install --yes \033[0;31mgit \033[0m\n';exit 1 fi TMUX_INSTALL_STATUS="$(dpkg-query -W --showformat='${db:Status-Status}' 'tmux' 2>&1)" if [[ ! $? -eq 0 ]]||[[ ! "${TMUX_INSTALL_STATUS}" -eq 'installed' ]];then printf 'sudo apt install --yes \033[0;31mtmux \033[0m\n';exit 1 fi POWERLINE_INSTALL_STATUS="$(dpkg-query -W --showformat='${db:Status-Status}' 'powerline' 2>&1)" if [[ ! $? -eq 0 ]]||[[ ! "${POWERLINE_INSTALL_STATUS}" -eq 'installed' ]];then printf 'sudo apt install --yes \033[0;31mpowerline \033[0m\n';exit 1 fi PYTHON3_INSTALL_STATUS="$(dpkg-query -W --showformat='${db:Status-Status}' 'python3' 2>&1)" if [[ ! $? -eq 0 ]]||[[ ! "${PYTHON3_INSTALL_STATUS}" -eq 'installed' ]];then printf 'sudo apt install --yes \033[0;31mpython3 \033[0m\n';exit 1 fi PYTHON3_PIP_INSTALL_STATUS="$(dpkg-query -W --showformat='${db:Status-Status}' 'python3-pip' 2>&1)" if [[ ! $? -eq 0 ]]||[[ ! "${PYTHON3_PIP_INSTALL_STATUS}" -eq 'installed' ]];then printf 'sudo apt install --yes \033[0;31mpython3-pip \033[0m\n';exit 1 fi PYTHON3_VENV_INSTALL_STATUS="$(dpkg-query -W --showformat='${db:Status-Status}' 'python3-venv' 2>&1)" if [[ ! $? -eq 0 ]]||[[ ! "${PYTHON3_VENV_INSTALL_STATUS}" -eq 'installed' ]];then printf 'sudo apt install --yes \033[0;31mpython3-venv \033[0m\n';exit 1 fi
python3 -m site --user-site python3 -m site | grep packages python3 -m sysconfig | grep packages	windows 11 C:\> py -c "import sysconfig; print(sysconfig.get_path('purelib'))" python3 -c "import sysconfig; print(sysconfig.get_path('purelib'))"
python3 -m venv ~/.venv/powerline --prompt="Powerline" # source .venv/bin/activate # (Powerline) $
python -m venv ~/.venv/powerline --prompt="Powerline" # .venv\Scripts\activate # (Powerline) PS>
uptime | cut -f 4-5 -d ' ' | cut -f 1 -d ','
cat ${HOME}/.config/powerline/config.json|jq '.ext.shell.theme' cat ${HOME}/.config/powerline/themes/shell/default_leftonly.json|\ jq '.segments.left[].function' jq '.ext.shell|select(.theme=="default")' ${HOME}/.config/powerline/config.json jq '.segments.left[]|select(.function=="powerline.segments.common.vcs.branch")'\ ${HOME}/.config/powerline/themes/shell/default_leftonly.json
cat ${HOME}/.config/powerline/config.json |\ jq '.ext.shell|select(.theme=="default")|.theme="default_leftonly"' cat ${HOME}/.config/powerline/themes/shell/default_leftonly.json |\ jq '.segments.left[]|select(.function=="powerline.segments.common.vcs.branch")|.args={"status_colors":true}' jq '(.ext.shell|select(.theme=="default")).theme="default_leftonly"'\ ${HOME}/.config/powerline/config.json jq '(.segments.left[]|select(.function=="powerline.segments.common.vcs.branch")).args={"status_colors":true}'\ ${HOME}/.config/powerline/themes/shell/default_leftonly.json

References

TMux » Cheat Sheet & Quick Reference Check if a package is installed or not Powerline » Linux » Installation TMux » Plugins » Powerline TMux » Plugin Manager TMux » Plugins & Tools TMux » Status Bar TMux » Plugins TMux » Config Bash	Find Out Python site-packages Directory Powerline in a Python virtual environment Installing Powerline on Ubuntu Linux Pimp my Powerline in PowerShell JSON file in-place using jq TMux » Kill All Sessions vim-airline Project TMux » Color Palette JQ Tool