How to install & configure Capistrano in Ubuntu 14.04?

Hi Guys,

Hope everyone are doing good

And am looking for Capistrano automation tool for Deployment in Ubuntu like (Staging, Production) Server.

I surfed in google I got some links about the same but I didnt get any clear document about the same.

So am looking for Capistrano tutorial & books.

Will you help & I trust that tecmint.

Thank You