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CentOS and Red Hat

CentOS and Red Hat

Posted Apr 4, 2014 2:29 UTC (Fri) by salimma (subscriber, #34460)
In reply to: CentOS and Red Hat by dag-
Parent article: CentOS and Red Hat

One of the strengths and attractiveness of CentOS always was that CentOS strived to be 100% compatible to what Red Hat shipped. Obviously 100% compatibility was not possible before, but now it can be. Yet that goal seems to have disappeared.
A likely explanation is that core (with its own build system) is the part that is 100% binary compatible with RHEL, while the different SIGs, by definition, are not, as they build on top of CentOS and in some cases even replace core components such as the kernel (e.g. for Xen support)


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CentOS and Red Hat

Posted Apr 4, 2014 12:07 UTC (Fri) by dag- (subscriber, #30207) [Link]

> A likely explanation is that core (with its own build system) is the part that is 100% binary compatible with RHEL, while the different SIGs, by definition, are not, as they build on top of CentOS and in some cases even replace core components such as the kernel (e.g. for Xen support)

If that would be the case, replacing it with "functionally compatible" doesn't improve anything as it also applies only to the "core". So it does not explain the change.

Also the effort to rebuild CentOS core with the goal to make it as compatible as possible to RHEL, is a wasted effort if only the builds would be made identical to RHEL, rather than a reverse engineered effort with different tools, a different process and a different environment.


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