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sunhux

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Differences betw RHEL 8 & 7 in terms of hardenings & impact to its container VMs

Q1:
Is there any hardening guide for RHEL 8?
If there's none, can I assume it's very close to RHEL 7's hardenings?
Then I'll ask vendors to harden RHEL 8 as per CIS RHEL7's benchmark.

Q2:
We're hosting docker/microservices in an RHEL host: previously the
vendor tested using RHEL7: can I safely say it makes no difference/
impact to the services/app whether we use RHEL 7 or 8?

Q3:
at the VMs level is there any difference/impact?  The docker
instances is spinned from the various Ubuntu, Debian images,
so I'm guessing it doesn't matter which version of RHEL runs
on the VMs
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David Favor
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sunhux

ASKER

Thanks very much.

>RHEL 8 uses a Kernel with correct namespace implementation, which all container systems require.
Can point me to a link/article which indicates container systems require this namespace implementation?
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ASKER

Excellent, David, the information are very enlightening.