unable to install nokogiri in ubuntu 12.04

Question

I am trying to setup rails env on my new ubuntu machine. But I am facing trouble while install nokogiri gem.. I have installed libxslt and libxml2 libs thourgh rvm pkg command a

Answer 1

Install ruby via rvm and then install below libs:

sudo apt-get install libxslt-dev libxml2-dev

now try to install gem without sudo:

gem install nokogiri