Create pem certificate

 Creating a .pem with the Private Key and Entire Trust Chain

    Log into your DigiCert Management Console and download your Intermediate (DigiCertCA.crt) and Primary Certificates (your_domain_name.crt).

    Open a text editor (such as wordpad) and paste the entire body of each certificate into one text file in the following order:
        The Private Key - your_domain_name.key
        The Primary Certificate - your_domain_name.crt
        The Intermediate Certificate - DigiCertCA.crt
        The Root Certificate - TrustedRoot.crt