[wplug] Several questions

Mark Sikora markys123451 at gmail.com
Tue Jan 6 11:45:59 EST 2009


Just for fun and since I've lurked for soooo long...


You should run slackware.  It's for a better world.

;)


On 1/6/09, David J. Pryke <david-wplug at pryke.us> wrote:
> Jonathan Billings wrote:
>> On Tue, Jan 06, 2009 at 08:01:05AM -0500, Weber, Lawrence A wrote:
>>> 2.  I noticed that the kernel that is running (uname -r) is not the
>>> highest numbered 9 kernel.  In fact it is not any of the kernels in
>>> /usr/src
>>>     2.6.25-14.fc9.i686 is listed as running
>>>     2.6.25-14.fc9.i586 is in src as well as 2.6.27.9-73.fc9.i586
>>
>> I'm not sure why this would be the case, perhaps the running kernel is
>> detecting it's an i686 CPU, but the directory name reflects that the
>> kernel source is for i586 and higher?  This is probably just a naming
>> convention.
>
> I've noticed on my machines with RedHat-derived distributions that it will
> utilize an i586 kernel for the install process, and then install and run an
> i686 kernel on first boot if your hardware supports it.  I discovered this
> when I needed to compile a custom kernel to support a RAID controller.  I
> needed to create both i586 and i686 versions to get the system installed.
>
>>> 4.  Kernel numbering:  When is a dash used in the version number?
>>
>> The dash usually means there is a release number.  Redhat/Fedora uses
>> that number to keep track of their own releases of a particular kernel
>> version that they're packaging.  So 1.2.3-1 is the first release,
>> 1.2.3-2 is the second, etc.
>
> Yes, the dash is RedHat's numbering in addition to the original kernel
> version.  Take note: RedHat backports bugfixes/security fixes from newer
> kernel versions to the released version for a given distribution number.
> So, while you may be using "kernel version 2.6.25", as long as you have been
> updating, you may have some security fixes from yesterday's kernel release
> at kernel.org (Just an example.) (This answer may be relevant to the
> original question above, as well.)
>
>>
>>> 7. Is this list of question a sign that I should go with Red Hat
>>> Enterprise?
>>
>> Not necessarily, unless you are unhappy with the level of support
>> you're getting.  Upgrading RHEL versions is going to produce the same
>> results as you're seeing here.
>>
>
> Agreed.
>
> --
> Thanks,
>
> David J. Pryke
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>

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