CentOS

You are correct, it seems to have been missed. I have pinged the maintainer to get it build and pushed. The RHEL changelog says it was from Jan 2022 so this has been missing a while...

The error you show has nothing to do with the EPEL repo. It shows that you got a 503 http response from http://mirrorlist.centos.org I tested that url with curl "http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock" (the quotes round the url are mandatory at the command line as it...

None of those are CentOS packages so you would have to ask whoever built them. The "cgslv6_2.561.g00e30d0ba" in the names are some weird non-CentOS dist tag.

You want ifup not ifconfig.

I need to add static route for only 2nd nic to reach a.b.c.d network so I have to create route-eth1 file ?

Yes. You may also need a rule-eth1 file too. And make sure your new ifcfg file does not contain GATEWAY= or it will become the default route.

I think you need to go back to them and ask exactly what they mean. If you had a booting kernel before then it should still boot now. Kernels don't just stop working - they have no expiry date on them. If it worked before then it should work now. And you should ask for answers on the forum not via D...

I assume your mouse/keyboard are USB attached? Is there anything in /var/log/messages or in the output from journalctl -xe ?

Lots of detail https://gnucash-docs-rst.readthedocs.io ... ncial-data

CentOS Linux release 7.7.1908 (Core)

Nothing to do with this but do not run 3 year old unpatched versions.

yum update

Do you have ECC RAM installed?

You'll have to ask directadmin about the backups as no-one uses it here.