Good day Nathan! Firstly, it's polite for me to thank the moderators for approving my post.. Thank you for guiding me on this. I have configured the /etc/environment and /etc/yum.conf with the proxy configurations then curl the mirrorlist site and it was successful. Our KVM is behind a firewall, do we need to allow the traffic for a specific range of IP addresses for this? Regards, Hidayat