Following your instructions yields the following error, FYI. ubuntu@domU-12-31-39-0E-8D-17:~$ sudo apt-get install build-essential git zlib1g-dev libssl-dev li

Following your instructions yields the following error, FYI. ubuntu@domU-12-31-39-0E-8D-17:~$ sudo apt-get install build-essential git zlib1g-dev libssl-dev libreadline-gplv2-dev imagemagick libxml2-dev libxslt1-dev openssl libreadline6 libreadline6-dev zlib1g libyaml-dev libxslt-dev autoconf libc6-dev ncurses-dev automake libtool bison libpq-dev libpq5 libeditline-dev Reading package lists... Done Building dependency tree Reading state information... Done Note, selecting 'libxslt1-dev' instead of 'libxslt-dev' Note, selecting 'libncurses5-dev' instead of 'ncurses-dev' libreadline6 is already the newest version. zlib1g is already the newest version. openssl is already the newest version. Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: libreadline6-dev : Conflicts: libreadline-gplv2-dev but 5.2-11 is to be installed E: Unable to correct problems, you have held broken packages. Any ideas anyone?