Creating a Ruby 1.9 sandbox 1. mkdir /home/user/ruby19 (example folder) 2. cd /home/user/ruby19 3. mkdir src 4. cd src 5. wget http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.0-1.tar.bz2 6. tar -jxvf ruby-1.9.0-1.tar.bz2 7. cd ruby-1.9.0-1 8. ./configure –prefix=/home/user/ruby19 9. make 10. make install Now you can switch to this sandbox at any time by executing ‘export PATH=/home/user/ruby19/bin:$PATH’ in a shell. Chipmunk [...]