tmux primer - from https://danielmiessler.com/study/tmux/#configuration, https://bogdanvlviv.com/posts/tmux/how-to-install-the-latest-tmux-on-ubuntu-16_04.html

.tmux.conf

# Tmux settings

# Set XTerm key bindings
setw -g xterm-keys on

# Set colors
set-option -g default-terminal "screen-256color"

# Set reload key to r
bind r source-file ~/.tmux.conf

# Count sessions start at 1
set -g base-index 1

# Use vim bindings
setw -g mode-keys vi

# Remap window navigation to vim
unbind-key j
bind-key j select-pane -D 
unbind-key k
bind-key k select-pane -U
unbind-key h
bind-key h select-pane -L
unbind-key l
bind-key l select-pane -R

# Set the title bar
set -g set-titles on
set -g set-titles-string '#(whoami) :: #h :: #(curl ipecho.net/plain;echo)'

# Set status bar
set -g status-utf8 on
set -g status-bg black
set -g status-fg white
set -g status-interval 5 
set -g status-left-length 90
set -g status-right-length 60
set -g status-left "#[fg=Green]#(whoami)#[fg=white]::#[fg=blue]#(hostname -s)#[fg=white]::#[fg=yellow]#(curl ipecho.net/plain;echo)"
set -g status-justify left
set -g status-right '#[fg=Cyan]#S #[fg=white]%a %d %b %R'

install_tmux.sh

#!/usr/bin/env bash

sudo apt update

sudo apt install -y git

sudo apt install -y automake
sudo apt install -y build-essential
sudo apt install -y pkg-config
sudo apt install -y libevent-dev
sudo apt install -y libncurses5-dev

rm -fr /tmp/tmux

git clone https://github.com/tmux/tmux.git /tmp/tmux

cd /tmp/tmux

sh autogen.sh

./configure && make

sudo make install

cd -

rm -fr /tmp/tmux