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Trying to install Ruby Gems (actually sinatra) on iMac- Get these error messages

ERROR: While executing gem ... (Gem::FilePermissionError) You don't have write permissions into the /Library/Ruby/Gems/1.8 directory rubygems-2.1.11 mark$ gem install sinatra rubygems-2.1.11 mark$ ruby setup.rb ERROR: While executing gem ... (Errno::EACCES) Permission denied - /Library/Ruby/Site/1.8/gauntlet_rubygems.rb

Any easy solutions?

Thanks!!

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The easy solution is to not try to modify the version of Ruby that Apple installed for their own use.

Instead, use rbenv or RVM to install Ruby in a sandbox in your home directory where you can fold, spindle and mutilate it all you want.

If you go with RVM, take the time to read the entire installation page before beginning your install. Failure to do that is the #1 cause for problems using RVM. RBEnv on the other hand, is simpler but not as "feature-packed". Personally, I use and recommend the later.

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