Different kernels on my servers?

[sktsee]

On Wed, 10 Jun 2015 17:03:15 +0000, sktsee wrote:

> On Wed, 10 Jun 2015 09:29:22 -0700, Knute Johnson wrote:
> 
>> On 6/10/2015 09:03, sktsee wrote:
>>> On Wed, 10 Jun 2015 07:43:54 -0700, Knute Johnson wrote:
>>>
>>>> So I was getting another server up and running in case my old one
>>>> died and found they have different kernels.
>>>>
>>>> Old: Linux knutejohnson 3.2.0-30-generic #48-Ubuntu SMP Fri Aug 24
>>>> 16:52:48 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
>>>>
>>>> New: Linux knute3 3.16.0-38-generic #52~14.04.1-Ubuntu SMP Fri May 8
>>>> 09:43:57 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
>>>>
>>>> Both are 14.04.2LTS.  The new one had a kernel held back when I did
>>>> my update and upgrade so I did a dist-upgrade but it was still a 3.16
>>>> kernel before that.  The old computer was upgraded from an earlier
>>>> version of server but that shouldn't stop kernel upgrades? Do I have
>>>> something set somewhere to prevent my old server from upgrading the
>>>> kernel?
>>>>
>>> Certain missing kernel-related metapackages will cause your kernel
>>> package to be skipped during an update if there is a bump to the ABI
>>> version of the updated kernel (going from, say, 3.13.0.24.27 to
>>> 3.13.0.25.27). That's probably the case with the old server, unless
>>> you pinned that version as Andrew suggested. For the new server, you
>>> probably have linux-image-generic-lts-utopic installed since you have
>>> its kernel running on your trusty server. You may want to consider
>>> installing linux-
>>> image-generic-lts-vivid soon since utopic will reach EOL this July and
>>> its kernel package will no longer be updated.
>>>
>> So the LTS version doesn't keep the latest kernels?
>> 
>> 
> Well, not if the kernel version you are using is from a newer release
> that reaches it EOL like utopic will next month.
> 
> $ apt-cache show linux-image-generic-lts-utopic Package:
> linux-image-generic-lts-utopic Priority: optional Section: kernel
> Installed-Size: 27 Maintainer: Ubuntu Kernel Team
> <kernel-team at lists.ubuntu.com> Architecture: i386 Source:
> linux-meta-lts-utopic Version: 3.16.0.38.30 ...
> Supported: 9m  <--
> 
> Once utopic is EOL'd, then its kernel no longer receives updates.
> However, the hardware enablement stack (HWE) metapackage
> (linux-image-hwe-
> generic-trusty) may transition from a dependency on utopic's kernel to
> vivid's automatically. I can't be certain about that since I don't
> usually install the HWE stack. Seems logical that it should, though.

Correction: the HWE metapackage should be "linux-hwe-generic-trusty" 
since that will also pull in the correct header packages as well as the 
kernel package.

-- 
sktsee