If you're having issues installing updates on AlmaLinux 8.9 lately, there is a known issue where a signing key is not imported properly. This causes an "Error: GPG check FAILED" error when installing updates.
We have documented the workaround in our knowledge base: https://help.nodespace.com/knowledgebase.php?article=384
We have documented the workaround in our knowledge base: https://help.nodespace.com/knowledgebase.php?article=384