Tmate is a fork of tmux. It provides an instant pairing solution.
Easyinstall (Defaults to ./bin, and inc. sha256 verify the download)
$ curl -fsSL https://github.com/MaxPeal/tmate/raw/fork-with-get-tmate.sh/get-tmate.sh -o get-tmate.sh
$ sh get-tmate.sh
$ sh get-tmate.sh -h # get help
tmate is built on top of tmux. tmux and tmate are BSD-licensed.