[CentOS] Kernel downgrade on Centos 8

Thu Feb 6 17:43:24 UTC 2020
Johnny Hughes <johnny at centos.org>

On 2/6/20 6:12 AM, Dimitri Zelenkin via CentOS wrote:
> Johnny Hughes wrote:
>> On 2/4/20 11:33 PM, Dimitri Zelenkin via CentOS wrote:
>>> Johnny Hughes wrote:
>>>> No, CentOS-8 uses different shared libraries and a different version
>>>> of the compiler than CentOS-7, so you can not run items compiled for
>>>> CentOS-7 on CentOS-8.
>>>
>>> The kernel does not rely on userspace libraries.
>> [...]
> 
> Well, maybe as a package it does.  I meant that it's not a dynamic
> executable linked to particular version of glibc.
> 

That is certainly correct .. and you could LIKELY rebuild the el7 source
code on el8 and make it work.  but taking the built version for el7 and
trying to run it directly on on el8 will likely cause issues.

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