ruby from source (ubuntu)

meh.txt

$ sudo apt-get -y install build-essential openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev autoconf libc6-dev libncurses5-dev automake libtool bison subversion

$ wget http://pyyaml.org/download/libyaml/yaml-0.1.4.tar.gz

$ tar xvf yaml-0.1.4.tar.gz

$ cd yaml-0.1.4

$ ./configure

$ make -j2

$ sudo make install
  
$ cd ~

$ wget ftp://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p385.tar.bz2

$ tar xvf ruby-1.9.3-p385.tar.bz2

$ cd ruby-1.9.3-p385

$ ./configure --enable-shared --disable-install-doc

$ make -j2

$ sudo make install