[CentOS-devel] CentOS Streams q&a

On 9/24/19 2:55 PM, Paul Graydon wrote:
> Honestly, I read the announcement on the RedHat site and got even more
> confused
> (https://www.redhat.com/en/blog/transforming-development-experience-within-centos),
> partly because there were extra products there I wasn't aware of. I
> think I have my head wrapped around it now.
> 
> * To borrow someone else's attempt at understanding, is this along the
> right lines?
> 
> Currently: fedora --> RHEL --> centos,

This is accurate for how major releases are developed, but during that
fedora->RHEL bit, it's currently not public.

For the current minor releases (the .1, .2, etc) there isn't really an
'upstream' for rhel to pull from, or a place for people to publicly see
what's coming.

> New: fedora --> centos stream --> RHEL --> centos
> 
> You're describing CentOS Stream as parallel to CentOS in the blog post
> linked above, but then from the rest of it it looks like it's being used
> to feed stable features in to RHEL, which would naturally then make
> their way in to CentOS, same as things do currently.
> 

They are two separate distributions. Currently CentOS Stream and CentOS
Linux differ only slightly, but this will change in the future.

> 
> * "It is a single, continuous stream of content with updates several
> times daily, encompassing the latest and greatest from the RHEL codebase."
> 
> What level of changes/updates are we talking about?  More up to date
> applications or libraries, or more of just the same kinds of updates as
> we'd expect to see between, say, 8.0 and 8.1 (typically more minor
> upgrades of libraries and applications.)


A rough analogy is "When RHEL 8.1 is out, CentOS Stream content would be
the development of what should become 8.2".


> 
> 
> Finally, how does this relate to RedHat Application Streams, or does it
> not at all?  If it doesn't relate, that feels like a bit of a branding
> overload of a term that may unintentionally cause some confusion.

The branding is admittedly a little confusing. CentOS Stream is a
rolling development branch for RHEL. AppStreams are a conceptual piece
of RHEL, CentOS and CentOS Stream. Where they are in their lifecycle
differs based on which one you're running.

Does that help explain it a bit, or did I just muddle it up further for you?

> 
> 
> Paul
> 
> 
> On 9/24/19 05:45, Lamar Owen wrote:
>> So, now that Earth has caught up to the TARDIS......
>>
>>
>> Would someone from the CentOS team like to explain CentOS Streams?  I
>> saw an article at The NewStack yesterday that gave some info; oddly
>> enough that article is giving a 404 right now, but Google still has it
>> in cache.  But Johnny's statement a few days ago, and then this
>> announcement, makes this new CentOS Streams business look
>> interesting.  I see a new directory on the mirrors called 8-stream
>> with interesting content......
>>
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Jim Perrin
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