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Last active June 23, 2022 03:51
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Ruby Gems / Bundler Behind SSL Proxy One Liner
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rubygem_ssl.md

Getting this error when doing rails new ... while behind an SSL proxy?

Bundler::Fetcher::CertificateFailureError Could not verify the SSL certificate for https://rubygems.org/.
There is a chance you are experiencing a man-in-the-middle attack, but most likely your system doesn't have the CA certificates needed for verification. For information about OpenSSL certificates, see https://railsapps.github.io/openssl-certificate-verify-failed.html. To connect without using SSL, edit your Gemfile sources and change 'https' to 'http'.

Add your custom certificate authority in .pem format to Rubygems certs:

cp YOUR_CERT.pem "`gem which rubygems | sed 's/rubygems.rb//'`/rubygems/ssl_certs/rubygems.org/"
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