Installed Ruby in widows server using RubyInstaller. Trying to install gem nokogiri and its throwing below error: Please help to fix below error.
$ gem install nokogiri
ERROR: Could not find a valid gem 'nokogiri' (>= 0), here is why: Unable to download data from https://rubygems.org/ - Errno::ETIMEDOUT: Failed to open TCP connection to api.rubygems.org:443 (A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. - connect(2) for "api.rubygems.org" port 443) (https://api.rubygems.org/specs.4.8.gz)