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On 11/13/2015 09:17 PM, Andrew Holway wrote:
In my experience software compiled for RHEL "just work" with Centos and I don't remember any case where it didn't. I have however heard whisperings on a grapevine that RH may want to try and make future versions of Centos slightly incompatible with RHEL but these are probably just whisperings.
Unmitigated rumors. Until someone official says otherwise there is no case where CentOS will ever purposefully be made incompatible with RHEL. There are some very minor edge cases where it can happen incidentally due to:
1. Certain identifying information being changed from RedHat to CentOS such as the previously mentioned issues where software vendors explicitly check the redhat-release file and refuse to run if it says CentOS.
2. The build process for RedHat is not known and so it is highly unlikely that the CentOS build process replicates the RedHat one to the degree needed for full 100% compatibility.
That said, if you find any case where CentOS acts differently to RHEL with the same packages (and versions) installed in both then please file a bug report with CentOS as as this would likely constitute a bug in CentOS and should be fixed if at all possible.
If you software vendor will not support Centos as RHEL then they probably need a good LARTing.
If it runs on RHEL it should run on CentOS as well. I would fault a software vendor who explicitly checks the redhat-release file to exclude CentOS from running, but I don't fault them for not wanting to support their software on CentOS, that is a choice they make.
At the end of the day when you run proprietary software you are fully subject to the whims of the software vendor, I never understood how a commercial business would not only voluntarily put themselves into such a position but often times want to seek it out over the freedom that FOSS offers. Anyways, the vendor is also free to support whatever OS they want, and you're free to choose not to use their software.
Peter