View source for TMux

<code>tmux</code> 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==
{|
| valign="top" |
 '''tmux ls'''             » Session list
 '''tmux a      -t 0…9'''  » Session attach to
 '''tmux attach -t 0…9'''  » Session attach to
 '''Ctrl + a''' → ‎d        » Session detach from
 '''Ctrl + a''' → ‎r        » Session reload config
| valign="bottom" |
 '''Ctrl + a''' → ‎Ctrl + s » Session save
 '''Ctrl + a''' → ‎Ctrl + r » Session restore
 '''Ctrl + z'''            » Send job background
 '''bg/jobs'''             » Background job list
 '''bg 0…9'''              » Bring to foreground

|-
| colspan="2" |
----
|-
| valign="top" |
 '''misc:'''
 ───────────────────────────────────────────────────────
 '''Ctrl + a''' → ‎:        » Enter command mode

| valign="top" |
 '''misc:'''
 ───────────────────────────────────────────────────────
 '''Ctrl + a''' → ‎?        » List key bindings

|-
| colspan="2" |
----
|-
| valign="top" |
 '''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        » 

| valign="top" |
 '''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

|-
| colspan="2" |
----
|-
| valign="top" |
 '''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

| valign="top" |
 '''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

|-
| colspan="2" |
----
|-
| valign="top" |
 '''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

| valign="top" |
 '''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==
<source lang="bash">
sudo apt install tmux
sudo apt install powerline
git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm
git clone https://github.com/tmux-plugins/tmux-yank ~/.tmux/plugins/tmux-yank
git clone https://github.com/tmux-plugins/tmux-battery ~/.tmux/plugins/tmux-battery
git clone https://github.com/tmux-plugins/tmux-sensible ~/.tmux/plugins/tmux-sensible
git clone https://github.com/tmux-plugins/tmux-resurrect ~/.tmux/plugins/tmux-resurrect
git clone https://github.com/tmux-plugins/tmux-continuum ~/.tmux/plugins/tmux-continuum
git clone https://github.com/tmux-plugins/tmux-prefix-highlight ~/.tmux/plugins/tmux-prefix-highlight

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
</source>

== Powerline ==
<source lang="bash">
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
</source>
----
<source lang="bash">
# 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/
</source>

<source lang="bash">
# powerline daemon config:
# ────────────────────────
mkdir -p ${HOME}/.config/powerline
cp -r ${HOME}/.venv/powerline/lib/python3.10/site-packages/powerline/config_files/* ${HOME}/.config/powerline/
powerline-daemon --replace
</source>
----
<source lang="bash">
echo -E "$(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
</source>

=== Powerline » Vim ===
----
<source lang="bash">
# ~/.vimrc
set rtp+=${HOME}/.venv/powerline/lib/python3.10/site-packages/powerline/bindings/vim/

set laststatus=2
</source>

=== Powerline » Bash ===
----
<source lang="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
</source>

=== Powerline » TMux ===
----
<source lang="bash">
# ~/.tmux.conf
set -g default-terminal "screen-256color"
source "${HOME}/.venv/powerline/lib/python3.10/site-packages/powerline/bindings/tmux/powerline.conf"
</source>

=== Powerline » Code ===
----
<source lang="bash">
# Debian
echo -E "$(jq '."terminal.integrated.fontFamily"="Source Code Pro for Powerline"'\
 ${HOME}/.config/Code/User/settings.json)">\
 ${HOME}/.config/Code/User/settings.json

# MacOS
echo -E "$(jq '."terminal.integrated.fontFamily"="Source Code Pro for Powerline"'\
 ${HOME}/Library/Application Support/Code/User/settings.json)">\
 ${HOME}/Library/Application Support/Code/User/settings.json
</source>

==Knowledge==
{|
|valign="top"|
 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

|valign="top"|
 '''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

|valign="top"|
 tmux ls
 tmux kill-server
 tmux list-sessions
 tmux kill-session -a
 tmux kill-session -t {index}
 
 pkill -f tmux
 ps aux | grep tmux

|-
|colspan="3"|
----
|-
|valign="top"|
 python3 -V|perl -pe '($_)=/([0-9]+([.][0-9]+)+)/'

|valign="top"|
 python3 -V|perl -pe '($_)=/([0-9]+[.][0-9]+)/'

|valign="top"|
 python3 -V|perl -pe '($_)=/([0-9]+)/'
|-
|colspan="3"|
----
|-
|valign="top" colspan="3"|
 alias extractor=$'perl -pe \'if(($v)=/([0-9]+([.][0-9]+)+)/){print"$v\n";exit}$_=""\''
 mvn --version|extractor|perl -pe '($_)=/([0-9]+[.][0-9]+)/'
 mvn --version|extractor|perl -pe '($_)=/([0-9]+)/'
 mvn --version|extractor

|-
|colspan="3"|
----
|-
|valign="top" colspan="3"|
<source lang='bash'>
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
</source>

<source lang='bash'>
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
</source>

|-
|colspan="3"|
----
|-
|valign="top"|
 python3 -m site --user-site
 python3 -m site | grep packages
 python3 -m sysconfig | grep packages

|valign="top" colspan="2"|
 '''windows 11'''
 C:\> py -c "import sysconfig; print(sysconfig.get_path('purelib'))"
 python3 -c "import sysconfig; print(sysconfig.get_path('purelib'))"

|-
|colspan="3"|
----
|-
|valign="top" colspan="3"|
<source lang="bash">
python3 -m venv ~/.venv/powerline --prompt="Powerline"
# source .venv/bin/activate
# (Powerline) $
</source>

|-
|colspan="3"|
----
|-
|valign="top" colspan="3"|
<source lang="PowerShell">
python -m venv ~/.venv/powerline --prompt="Powerline"
# .venv\Scripts\activate
# (Powerline) PS>
</source>

|-
|colspan="3"|
----
|-
|valign="top" colspan="3"|

 uptime | cut -f 4-5 -d ' ' | cut -f 1 -d ','

|-
|colspan="3"|
----
|-
|valign="top" colspan="3"|
<source lang="bash">
cat ${HOME}/.config/powerline/config.json|jq '.ext.shell.theme'
cat ${HOME}/.config/powerline/themes/shell/default_leftonly.json|\
jq '.segments.left[].function'
</source>

<source lang="bash">
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
</source>

|-
|colspan="3"|
----
|-
|valign="top" colspan="3"|
<source lang="bash">
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}'
</source>

<source lang="bash">
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
</source>

|}

==References==
{|
| valign="top" |
* [https://tmuxcheatsheet.com/ TMux » Cheat Sheet & Quick Reference]
* [https://stackoverflow.com/questions/1298066/how-can-i-check-if-a-package-is-installed-and-install-it-if-not/54239534#54239534 Check if a package is installed or not]
* [https://powerline.readthedocs.io/en/latest/installation/linux.html Powerline » Linux » Installation]
* [https://tmuxcheatsheet.com/tmux-plugins-tools/?full_name=powerline%2Fpowerline TMux » Plugins » Powerline]
* [https://github.com/tmux-plugins/tpm TMux » Plugin Manager]
* [https://tmuxcheatsheet.com/tmux-plugins-tools/ TMux » Plugins & Tools]
* [https://arcolinux.com/everything-you-need-to-know-about-tmux-status-bar/ TMux » Status Bar]
* [https://github.com/tmux-plugins/list TMux » Plugins]
* [https://github.com/AntJanus/my-dotfiles/blob/master/.tmux.conf TMux » Config]
* [[Bash]]

| valign="top" |
* [https://stackoverflow.com/questions/122327/ Find Out Python <code>site-packages</code> Directory]
* [https://www.ricalo.com/blog/install-powerline-virtualenv/ Powerline in a Python virtual environment]
* [https://www.ricalo.com/blog/install-powerline-ubuntu/ Installing Powerline on Ubuntu Linux]
* [https://www.hanselman.com/blog/my-ultimate-powershell-prompt-with-oh-my-posh-and-the-windows-terminal PowerShell prompt with Oh My Posh]
* [https://medium.com/codex/how-to-pimp-my-powerline-in-powershell-156f4e4936e Pimp my Powerline in PowerShell]
* [https://stackoverflow.com/questions/42716734/ JSON file in-place using <code>jq</code>]
* [https://askubuntu.com/questions/868186/ TMux » Kill All Sessions]
* [https://github.com/vim-airline/vim-airline <code>vim-airline</code> Project]
* [https://superuser.com/questions/285381/ TMux » Color Palette]
* [[JQ Tool]]

| valign="top" |
* [https://linuxhandbook.com/run-process-background/ Running Linux Process in Background & Foreground]
* [https://unix.stackexchange.com/questions/214192/ <code>rpm --querytags</code> & <code>rpm -q --queryformat</code>]
* [https://unix.stackexchange.com/questions/52144/ TMux » Eclipsed colorized output of ls]
* [https://towardsdatascience.com/how-to-boost-10x-productivity-with-tmux-ead3d3d452f9 Boost 10X Productivity with Tmux]
* [https://devguide.python.org/versions/ Status of Python Versions]
* [https://pkgs.alpinelinux.org/packages?name=powerline-*&branch=edge Alpine Linux Powerline]
* [https://wiki.archlinux.org/title/Powerline ArchLinux Powerline]

|-
| colspan="3" |
----
|-
| valign="top" |

| valign="top" |

| valign="top" |

|}