Installing Ruby 1.9.1 online

cd ~
mkdir src
cd src/
wget ftp://ftp.ruby-lang.org/pub/ruby/1.9....9.1-p0.tar.gz
tar xzvf ruby-1.9.1-p0.tar.gz
cd ruby-1.9.1-p0/
wget http://redmine.ruby-lang.org/attachments/download/237
patch -p1 < 237
./configure --prefix=/usr/local --with-openssl-dir=/usr --with-readline-dir=/usr --with-zlib-dir=/usr
sudo make && sudo make install