On 13/03/2021 05:14, Robert G. (Doc) Savage via users wrote:
Is the CentOS-7-x86_64-DVD-2009.iso really too big to burn on a
DVD-R? Brasero under Centos 7.9 and Fedora 33 both say a 4.7GB blank disk isn't big
enough.
You could always grab an earlier iso such as from
https://vault.centos.org/7.7.1908/isos/x86_64/
Burn/Install that, and then update.
Or use the NetInstall DVD.
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People who believe they don't make mistakes have already made one.