TMux

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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

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

TMUX_INSTALL_STATUS="$(dpkg-query -W --showformat='${db:Status-Status}' 'tmux' 2>&1)"
if [[ ! $? -eq 0 ]]||[[ ! "${TMUX_INSTALL_STATUS}" -eq 'installed' ]];then
    printf 'tmux \033[0;31mnot found! \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 'powerline \033[0;31mnot found! \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

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