Unable to install nokogiri using rvm, receiving "nokogiri requires Ruby version >= 1.9.2"

Question

If I try to install nokogiri, I receive the following error:

rvmsudo gem install nokogiri
ERROR:  Error installing nokogiri:
    nokogiri requires Ruby version >= 1.9.2.

If I check my ruby version, it tells me I am running ruby1.9.3

ruby -v
ruby 1.9.3p448 (2013-06-27 revision 41675) [i686-linux]

If I use printenv, these are my env variables:

rvm_bin_path=/home/jenkins/.rvm/bin
GEM_HOME=/home/jenkins/.rvm/gems/ruby-1.9.3-p448@nokogiri
SHELL=/bin/bash
TERM=xterm-color
IRBRC=/home/jenkins/.rvm/rubies/ruby-1.9.3-p448/.irbrc
HUSHLOGIN=FALSE
MY_RUBY_HOME=/home/jenkins/.rvm/rubies/ruby-1.9.3-p448
USER=jenkins
rvm_path=/home/jenkins/.rvm
L1=-
rvm_prefix=/home/jenkins
MAIL=/var/mail/jenkins
PATH=/home/jenkins/.rvm/gems/ruby-1.9.3-p448@nokogiri/bin:/home/jenkins/.rvm/gems/ruby-1.9.3-p448@global/bin:/home/jenkins/.rvm/rubies/ruby-1.9.3-p448/bin:/home/jenkins/.rvm/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
PWD=/home/jenkins
LANG=C
rvm_version=1.21.3 (stable)
SHLVL=1
HOME=/home/jenkins
LOGNAME=jenkins
GEM_PATH=/home/jenkins/.rvm/gems/ruby-1.9.3-p448@nokogiri:/home/jenkins/.rvm/gems/ruby-1.9.3-p448@global
install_flag=1
RUBY_VERSION=ruby-1.9.3-p448
_=/usr/bin/printenv

I have some pretty bad luck with RVM and rather than break my entire installation, I thought I'd ask here.

Why can't I proceed with the installation of nokogiri?

I'm on Debian.

Solution

Just try gem install nokogiri as you have RVM installed. See here Installing Nokogiri for other things to install with it.

Like below :

# nokogiri requirements
sudo apt-get install libxslt-dev libxml2-dev
gem install nokogiri

See my answer here for the part ERROR: While executing gem ... (Errno::EACCES) ` Permission denied