to_specs': Could not find chef (>= 0) amongst [] (Gem::LoadError)

Question

I am trying to install chef and knife ec2 plugin on my laptop to set up the workstation. Initially I use chef omnibus to install chef-client but after installing I encounter

Answer 1

This happened to me when I wasn't using system ruby, thanks to RVM:

$ echo $GEM_HOME
/home/spiffytech/.rvm/gems/ruby-1.9.3-p448@rails3tutorial2ndEd

Note that @rails3tutorial2ndEd denotes a special Ruby install, and not the system install.

To fix this and make knife work again, I ran:

rvm reset