go-certlint Go wrapper for awslabs/certlint INSTALL go get -d github.com/crtsh/go-certlint cd $GOPATH/src/github.com/crtsh/go-certlint sed -i "s/ruby-?.?/ruby-X.Y/g" go-certlint.go make go install Change ruby-X.Y to your Ruby version (e.g., ruby-2.3).