On 05/11/2012 08:14 AM, Jon Detert wrote:
> Two related questions about the minor release numbers (e.g. the 'x' in 5.x or
> 6.x) :
>
> 1) What constitutes the o.s. being at a particluar minor release? Typically,
> when you install you are getting a package set available from a specific
> minor release number. But what minor release is the o.s. at if I just update
> the centos-release package, and no other package? Typically, a 'yum update'
> is said to take your whole package set to the latest minor release. But what
> minor release is the o.s. if you just update certain packages (instead of
> taking all avaailable updates)?
>
> 2) Can I apply package updates made in a minor release greater than my
> current release without detriment to the integrity of the o.s.?
> E.g. Suppose all my packages are at versions delivered in v5.6.
> Suppose also, that I have a package xyz installed, and that an update to it
> was made available in v5.8.
> Can I upgrade xyz to the updated version from 5.8 without updating other
> packages (except for any dependencies xyz has) to the versions available in
> v5.8?
>
> Thanks,
This topic seems to arise often.
For my simple mind it works like this:
Lets say CentOS 6.0 is released - it is the base.
Various updates occur - yum update allows you to apply these to your system.
After a period - determined by our generous upstream benefactor - they
decide to take a snap-shot of all the changes thus far, roll in a few
more and call it version 6.1 and it becomes the new base. As time
progresses the various "versions" are released, however they are simply
a snapshot in time of all the various updates and patches to each of the
rpms.
HTH
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