i installed rvm how this page says http://rubysource.com/installing-ruby-with-rvm-on-ubuntu/ and i am using ubuntu 12.04 +32 bit. after i type ` gem install rails ` and rails installed correctly. after that i make ` gem install radiant ` i am getting this error.
whowantstolivefo@ubuntu:~$ gem install radiant WARNING: Error fetching data: SocketError: getaddrinfo: Name or service not known (http://rubygems.org/latest_specs.4.8.gz) ERROR: Could not find a valid gem 'radiant' (>= 0) in any repository ERROR: Possible alternatives: radiant how can i solve this problem ? thank you.
