Problem 2: EA4 profile export failure

❌ Problem 2: EA4 profile export failure

[WARN] Unknown error while checking blockers:
Unable to backup EA4 profile.
Failure from /usr/local/bin/ea_current_to_profile --target-os=CentOS_8

This happens because Yum is broken → EA4 tool cannot pull package metadata to build the profile.
So fixing Yum will likely fix this too.

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✅ Fix Plan

1. Point Yum to CentOS 7 Vault

Since CentOS 7 is EOL, you need to replace dead mirrors with vault.centos.org:

Edit repo files:

vi /etc/yum.repos.d/CentOS-Base.repo

Change lines like:

mirrorlist=http://mirrorlist.centos.org/...

to:

#mirrorlist=http://mirrorlist.centos.org/...
baseurl=http://vault.centos.org/7.9.2009/os/$basearch/

Do the same for:

• updates

• extras

• centos-sclo-rh

• centos-sclo-sclo

Example for SCLo repo:

[centos-sclo-rh]
name=CentOS-7 - SCLo rh
baseurl=http://vault.centos.org/7.9.2009/sclo/$basearch/rh/
gpgcheck=1
enabled=1