Install Mark and RMark on ubuntu 11.10

Hello,
i tryed to install Mark on my machine (ubuntu 11.10), i followed the
instructions on

http://www.phidot.org/software/mark/rmark/linux/

but i did it without succes! The instructions in the site above are
not clear, i don't understand at the 2 step,
Is there someone who can help me?

Sergio