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Error: mime-types-data requires Ruby version >= 2.0

I recently install clean ubuntu14.04 virtual machine in vware fusion and updated it. I am trying to install the mime-tyes-data by

sudo gem install mime-types-data -v 3.2015.1120

The error shows

ERROR: Error installing mime-types-data: mime-types-data requires Ruby version >= 2.0.

Before that I already update ruby version by

sudo apt-get install ruby2.0

sudo ln -sf /usr/bin/ruby2.0 /usr/bin/ruby

It seems my version of ruby is 2.0 already, but the error still exists.

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Answer

I was facing the same problem trying to install rails with sudo. I was getting: ERROR: Error installing mime-types-data: mime-types-data requires Ruby version >= 2.0.

The thing is ruby -v gives me ruby 2.2.1p85 while sudo ruby -v gives me ruby 1.9.3p484, so instead of sudo gem install rails I just did gem install rails and it worked.

That is where I found my solution: https://github.com/jekyll/jekyll/issues/3558

Hope it helps.

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