Requiring ruby 2+ from Mina 1
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gem update --system is disabled on Debian. RubyGems can be updated using the official Debian repositories
This is due to using
apt-get install rubygems. We recommend that you uninstall RubyGems via Aptitude and install it from source. Further instructions are here for doing so.
Rails requires RubyGems >= 1.3.1 (you have 1.2.0). Please
gem update –systemand try again.
If you have updated Rails to ...
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