Hi, > I am at cabal 1.16 (yep, Ubuntu 14.04 LTS) and "https is not supported". This is an ancient version, try installing a newer one. Herbert's PPA [1] has a pre-compiled binary of cabal-install-1.24 (most recent stable release) for Trusty. [1] https://launchpad.net/~hvr/+archive/ubuntu/ghc