Re: policy for shipping sysctl.d snippets in packages?
On Mon, Apr 24, 2017 at 9:10 AM, Adam Borowski <kilobyte@angband.pl> wrote:
>
> All of this is caused by Red Hat having no support for upgrades:
>
> https://access.redhat.com/solutions/21964
>
> # Red Hat does not support in-place upgrades between major versions 4, 5 and
> # 6 of Red Hat Enterprise Linux. (A major version is denoted by a whole
> # number version change. For example, Red Hat Enterprise Linux 5 and Red
> # Hat Enterprise Linux 6 are both major versions of Red Hat Enterprise
> # Linux).
> #
> # In-place upgrades across major releases do not preserve all system
> # settings, services or custom configurations. Consequently, Red Hat
> # strongly recommends fresh installations when upgrading from one major
> # version to another.
>
> # Red Hat currently supports only upgrades from Red Hat Enterprise Linux 6
> # to Red Hat Enterprise Linux 7 for specific/targeted use cases only.
>
> On the other hand, being able to effortlessly dist-upgrade is one of biggest
> reasons many of us have chosen Debian.
The reason that you can't dist-upgrade RHEL is that there's too large
a gap between releases.
Let's look at the release dates and compare like with like.
RHEL 6: November 2010
RHEL 7: June 2014
Debian 6 (squeeze): February 2011
Debian 7 (wheezy): May 2013
Debian 8 (jessie): April 2015
You can't dist-upgrade RHEL from 6 to 7 and you can't dist-upgrade
Debian from 6 to 8 in one leap.
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