Thank you for the schooling on Linux, RHEL, versions and anything else I missed.

Keith

On Sun, Aug 30, 2015 at 7:10 PM, David Sommerseth
<[log in to unmask]> wrote:
> On 30/08/15 16:15, Keith Smith wrote:
>> Jamie - Thank you.
>>
>> My reason for asking is that 7.10 'expires' in Sept 2015. I know the
>> Linux kernel doesn't disappear like a jini on September 30, 2015, but
>> there are several long term stable versions that are much newer than
>> 7.10.
>
> I believe you mean 3.10, not 7.10.
>
> Anyhow, you need to understand that Enterprise Linux distributions are very
> different beasts than the other more main stream distributions.
>
> When Red Hat provides 10 years support from the first release of a major
> version of their Enterprise Linux, that implies that Red Hat will support
> these "old" versions.  I've said it quite often, that with Enterprise Linux
> distros you must not look blindly at the version number.  You must see what
> the 'rpm -q --changelog $PACKAGE' tells you.
>
> That means that Red Hat will backport upstream fixes and features to the older
> versions when there is a need or valid customer demand.  Each issue is
> evaluated and it is considered how doable it is or not.  Where it is doable
> and a benefit doing such backports, they are usually done.
>
> I usually pull out RHEL5 with the 2.6.18 kernel as an example.  RHEL5 got KVM
> support during it's life cycle.  But KVM landed first in 2.6.20-something.
> That means that all the KVM features was backported to thje 2.6.18 kernel,
> went through QA and was in the end released to customers, with support.  And
> Scientific Linux benefits from all this work.
>
> The same goes for bug and security fixes.  All important issues are usually
> resolved in a very timely manner.
>
> Yes, the RHEL 7 kernel is based on the 3.10 kernel.  But it doesn't mean it is
> comparable to an upstream 3.10 kernel at all.  You really need to look at the
> changelog and release notes from Red Hat.
>
> I hope this clarifies things a bit.
>
>
> --
> kind regards,
>
> David Sommerseth
>
>
>> On Sun, Aug 30, 2015 at 9:14 AM, Jamie Duncan <[log in to unmask]> wrote:
>>> One with a lot of backports, yes.
>>>
>>>
>>> On Sun, Aug 30, 2015, 9:05 AM Keith Smith <[log in to unmask]> wrote:
>>>>
>>>> Am I correct that Scientific Linux 7.1 has 3.10 as its version of the
>>>> Linux kernel?
>>>>
>>>>
>>>> Keith Smith
>>
>>
>>
>



-- 
"Coincidence is what is leftover when the theory isn't good enough" -
quoted by John Cleese

"Science is the belief in ignorance of experts" - Richard Fenyman