How can I use it for RHEL 8?

[manishgcloud]

I am getting below error message during curl.

curl --cacert /etc/rhsm/ca/redhat-uep.pem -E /etc/pki/entitlement/6111948051269593973.pem --key /etc/pki/entitlement/6111948051269593973-key.pem https://cdn.redhat.com/content/dist/rhel/server/8/8Server/x86_64/os

<TITLE>Access Denied</TITLE>

Access Denied

You don't have permission to access "http://cdn.redhat.com/content/dist/rhel/server/8/8Server/x86_64/os" on this server.

Reference #18.db57b5c.1585044729.10ceae8

upstream_sync.py -l

rhel-7-x86_64-os
rhel-8-x86_64-os

upstream_sync.py -r rhel-8-x86_64-os --root -v

INFO:root:syncing rhel-8-x86_64-os
Repo rhel-8-x86_64-os forced skip_if_unavailable=True due to: /etc/pki/entitlement/6111948051269593973.pem
Repo rhel-8-x86_64-os forced skip_if_unavailable=True due to: /etc/pki/entitlement/6111948051269593973-key.pem
INFO:root:generating package metadata: rhel-8-x86_64-os

Saving Primary metadata
Saving file lists metadata
Saving other metadata
Generating sqlite DBs
Sqlite DBs complete