Error Installing Gems
I spun up a new instance on Amazon AWS to learn some ruby for one of my classes online and notice I kept getting the below error: [ec2-user@ip-xx-xx-xx-xx ~]$ sudo gem install Fetching: xxxxxxxxxxxxxxxxxxxx (100%) Successfully xxxxxxxxxxx Fetching: multi_json-1.10.1.gem (100%) Successfully installed multi_json-1.10.1 Fetching: rubyzip-1.1.6.gem (100%) Successfully installed rubyzip-1.1.6 Fetching: ffi-1.9.3.gem (100%) Building native extensions. This could take a while… ERROR: Error installing xxxxx: ERROR: Failed to build gem native extension. /usr/bin/ruby2.0 extconf.rb mkmf.rb can’t find header files for ruby…