TL:DR: Jump to the bottom to see the video and install it using: Installation. $ curl 'https://raw.github.com/authy/authy-ssh/master/authy-ssh' -o authy-ssh$ sudo bash authy-ssh install /usr/local/bin$ sudo /usr/local/bin/authy-ssh enable `whoami` <your-email> <your-country-code> <your-cellphone>$ authy-ssh test$ sudo service ssh restart view raw Installing authy-ssh This Gist brought to you by G