On Fri, 2023-02-24 at 23:33 -0500, Robert McBroom via users wrote:
Installed CentOS8 on a VM from
CentOS-8.1.1911-x86_64-dvd1.iso
Trying to update it gives
Failed to download metadata for repo 'appstream' Error: Failed to download metadata for repo 'appstream'
You're really posting on the wrong list for CentOS, but CentOS 8 went end-of-life in December 2022. They'll probably remove various CentOS 8 files from their servers.
If you want to use a CentOS that is still being updated, you can use CentOS 7 until mid 2024 (it goes end-of-life in June). And there's CentOS Stream which is not going end-of-life, but I don't use it, and don't know anything further about it.
I've yet to decide what to do about it, I run a server on it because Fedora's life cycle is way too short for my liking. I really don't want such rapid major upheavals to a server.