sonalkr132 on 06 Nov, 2019 05:48 AM
It isn't clear from the screenshot what exactly is the issue. Definitely make sure you are using the latest gem. You can install rubygems-update locally with gem install --local path_to_gem. Also make sure, curl -vvv -o /dev/null https://rubygems.org/specs.4.8.gz is giving 200.