To look whether the required gem is available as an RPM package, look at Is It Fedora site which tracks the Ruby integration within the Fedora project by listing available information about packaged gems.
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The public repository helps users find gems, resolve dependencies and install them.
Ruby Gems is bundled with the standard Ruby package as of Ruby 1.9.
They are needed for a reason; Trying to install Rails without needed dependencies is going to result in a lot of issues, if Rails even runs at all.
You didn't specify exactly what you meant by closed.
In 2010, the default public repository for gems moved from which is still in use.
Also, Ruby Gems development was moved to Git Hub in 2010.
Selector .selector_input_interaction .selector_input. Selector .selector_input_interaction .selector_spinner. This variant have the advantage of properly stating of all system dependencies and no need for any header files or development tools.Therefore you can just install the package and run it.Many versions of Ruby Gems are almost fully incompatible with many versions of Ruby and some versions had key features unusable.For example, Ruby 1.9 came with Ruby Gems 1.3.7 in its standard distribution, but Ruby Gems 1.4.x was not compatible with Ruby 1.9.