Installing ROR (Ruby on Rails) on Ubuntu 10.04

sudo apt-get install build-essential

sudo apt-get install ruby rdoc libopenssl-ruby ruby1.8-dev irb

wget http://production.cf.rubygems.org/rubygems/rubygems-1.3.7.tgz

tar zxvf rubygems-1.3.7.tgz

cd rubygems-1.3.7

sudo ln -s /usr/bin/gem1.8 /usr/local/bin/gem

Check gem version

gem -v

to get newest gem version, type following command

sudo gem update --system

then install rails

sudo gem install rails -v=2.3.9

sudo apt-get install sqlite3

sudo apt-get install libsqlite3-dev

sudo gem install sqlite3-ruby