This is to setup a developement environment for Ruby 1.87 and Rails 2.2.3 on Ubuntu 10.04 (Lucid). [sourcecode language="bash"] # make sure ubuntu is up to date $ sudo apt-get update $ sudo apt-get dist-upgrade # install ruby $ sudo apt-get install ruby1.8-dev ruby1.8 ri1.8 rdoc1.8 irb1.8 libreadline-ruby1.8 libruby1.8 libopenssl-ruby rubygems1.8 # install sqlite3 $ sudo apt-get install sqlite3 libsqlite3-ruby1.8 libsqlite3-dev # install rails $ sudo gem install rails -v 2.2.3 --no-ri --no-rdoc $ sudo gem install ruby-debug-base ruby-debug-ide [/sourcecode]