Install tmux with and Without Root Access

Install tmux with Root Access

sudo apt-get install tmux

*Tested on Ubuntu 18.04 LTS

Install tmux without Root Access

Download bash script from Sudhir Mitharwal 

wget https://gist.githubusercontent.com/sudkumar/6062def9d56d946b98b6a3853093ee74/raw/66f9bcc5d341e39233d763a7ecfe3402e9de0743/install_tmux_locally.sh

Execute the script and follow the instruction

chmod +x install_tmux_locally.sh
./install_tmux_locally.sh

*Tested on Ubuntu 16.04 LTS