Install latest version of tmux in Ubuntu 16.04

tmux_build_from_source_ubuntu.sh

#!/bin/bash
# Steps to build and install tmux from source on Ubuntu.
# Takes < 25 seconds on EC2 env [even on a low-end config instance].
export VERSION=2.5
sudo apt-get -y remove tmux && \
sudo apt-get -y install wget tar libevent-dev libncurses-dev && \
wget https://github.com/tmux/tmux/releases/download/${VERSION}/tmux-${VERSION}.tar.gz && \
tar xf tmux-${VERSION}.tar.gz && \
rm -f tmux-${VERSION}.tar.gz && \
cd tmux-${VERSION} && \
./configure && \
make && \
sudo make install && \
cd - && \
sudo rm -rf /usr/local/src/tmux-* && \
sudo mv tmux-${VERSION} /usr/local/src

## Logout and login to the shell again and run.
## tmux -V