Install tmux on CentOS 6.9

install_tmux.sh

# Sources:
# https://gist.github.com/xkniu/0b752143a5990cdb3379
# https://gist.github.com/Root-shady/d48d5282651634f464af
# http://www.nigeldunn.com/2011/12/11/libevent-2-0-so-5-cannot-open-shared-object-file-no-such-file-or-directory/

sudo yum remove tmux libevent libevent-devel libevent-headers
sudo yum install gcc kernel-devel make ncurses-devel

mkdir /tmp/tmux-setup

cd /tmp/tmux-setup/ && mkdir ./libenvent && cd ./libenvent
wget https://github.com/libevent/libevent/releases/download/release-2.0.22-stable/libevent-2.0.22-stable.tar.gz
tar -zxvf libevent-2.0.22-stable.tar.gz
cd libevent-2.0.22-stable/
./configure && make
sudo make install

cd /tmp/tmux-setup/ && mkdir ./tmux && cd ./tmux
wget https://github.com/tmux/tmux/releases/download/2.2/tmux-2.2.tar.gz
tar -zxvf tmux-2.2.tar.gz
cd tmux-2.2/
./configure && make
sudo make install

ln -s /usr/local/lib/libevent-2.0.so.5 /usr/lib64/libevent-2.0.so.5

pkill tmux
tmux -V