Just a note... ;-) 1) pfexec pkg install gcc-dev 2) pfexec pkg install SUNWscp 3) pfexec pkg install SUNWmysql5 4) pfexec pkg install ruby-dev 5) pfexec gem install rails --include-dependencies 6) pfexec gem install mongrel --include-dependencies 7) pfexec gem install mysql -- --with-mysql-dir=/usr/mysql/5.0/ 8) pfexec gem install will_paginate 9) export PATH=$PATH:/usr/ruby/1.8/bin Actually i did need the pfexec gem install ...