For the error message indicates that wget is unable to verify the SSL certificate of the cseweb.ucsd.edu website, which is causing the download to fail. This is because the certificate is issued by InCommon RSA Server CA 2, which is not a trusted certificate authority by default.
For the error message indicates that wget is unable to verify the SSL certificate of the cseweb.ucsd.edu website, which is causing the download to fail. This is because the certificate is issued by InCommon RSA Server CA 2, which is not a trusted certificate authority by default.