E: Failed to fetch https://ubuntu.zerogw.com/dists/vagga/main/binary-amd64/Packages Certificate verification failed: The certificate is NOT trusted. The certificate chain uses expired certificate. Could not handshake: Error in the certificate verification.
E: Failed to fetch https://ubuntu.zerogw.com/dists/vagga/main/binary-amd64/Packages Certificate verification failed: The certificate is NOT trusted. The certificate chain uses expired certificate. Could not handshake: Error in the certificate verification.