Weitere ähnliche Inhalte Ähnlich wie L'affaire CentOS (20) Kürzlich hochgeladen (20) 1. Copyright © SUSE 2021
The CentOS Case
23 M ARS 2022
An Opensource Thriller (suite)
Brice Dekany
brice.dekany@suse.com
Sales
Engineers
Benoit Loriot
benoit.loriot@suse.com
Julien Niedergang
julien.niedergang@suse.com
2. Copyright © SUSE 2021 2
Prochains webinars
Date Heure Sujet
Jeudi 31 Mars 9h30 - 12h00 Rancher Rodeo with our partner: Metanext
Vendredi 1er Avril 9h30 - 10h30 Code Factory
Vendredi 13 Mai 9h30 - 12h00 Rancher Rodeo #8
Mardi 17 Mai 9h30 - 12h00 Rancher Rodeo with our partner: Inetum
3. Copyright © SUSE 2021
Agenda
3
1. What is a Linux distribution ?
2. What happened ?
3. Lifecycles
– CentOS and Red Hat
– openSUSE and SUSE
4. SUSE Solution
– Free stable platform: openSUSE Leap
– Stuck with CentOS: Liberty Linux
– Heterogeneous Linux environments: SUSE Manager
5. Let’s summarize
5. Copyright © SUSE 2021
Distribution
14000+ packages
1000+ communities
Build &
Lifecycle
5
Building a Linux Distribution
6. Copyright © SUSE 2021
Calling Support Solution
"Problemtemporary fix"
(PTF)
Solution added
to community'sBugzilla
Community
Maintenance: selecting patches&fixes
Enhanced and fixed code
Official updates
Customers or any enterprise
support desk
Distribution Maintenance and Support Protocol
6
8. Copyright © SUSE 2021
…2020, 2021… Starting January the 1st, 2022
8
Red Hat killed CentOS ?
The free CentOS Linux won't be a clone of RHEL anymore, starting CY2022.
Red Hat is not "killing" CentOS, it is totally changing its approach.
Long Term Support (LTS)
Distribution
Based on
a LTS Distribution
Tech-preview Distribution Tech-preview Distribution
Based on rolling updates
Focused for Developers & Testing
Long Term Support (LTS)
Distribution
Stream
10. Copyright © SUSE 2021 10
Customers / Partners are strongly reacting.
Stable code
not guaranteed
anymore
Subject to
constant
changes
Complex
Certifications
Poor new
Lifecycle
12. Copyright © SUSE 2021 12
RHEL
7.0
RHEL
7.1
CentOS Stream (rolling updates)
Fedora Distribution (RHEL tech-preview)
CentOS
7.0
CentOS
7.1
RHEL
8.2
= Branch
CentOS
8.2
RHEL
8.3
CentOS
8.3
RHEL
8.4
Releases
CentOS
8.4
CentOS Stream
is not based on a
stable release
Based on a known
stable release
Based on a known
stable release
Based on a known
stable release
Based on a known
stable release
CentOS Linux
disappears
RHEL = Red Hat Enterprise Linux
CentOS & Red Hat origins
13. Copyright © SUSE 2021 13
Tumbleweed (rolling-release)
Leap
15
SLE
15
Core
15
openSUSE Build Factory (CI/CD)
Leap
15.1
SLE
15 SP1
Core
15.1
Based on a known
stable release
= Branch
Releases
Based on a known
stable release
SLE = SUSE Linux Enterprise
…
Leap
15.2
SLE
15 SP2
Core
15.2
Based on a known
stable release
Leap
42
SLE
12
Core
12
Based on a known
stable release
Leap
42.1
SLE
12 SP1
Core
12.1
Based on a known
stable release
Leap
42.2
SLE
12 SP2
Core
12.2
Based on a known
stable release
openSUSE & SUSE origins
15. Copyright © SUSE 2021
Hosted on git.centos.org
Source code and
patches
from different
Contributors, ISV/IHV…
Code
packaged by
RH
.src.rpm .src.rpm
.rpm
+ specfile
Source Code.c
tar.gz
Code is modified by
CentOS
(closed since 31 dec 21!)
COMPILATION
CentOS 8.1
.rpm
RHEL 8.1
15
COMPILATION
Patching using Liberty 8.1 is possible
.rpm
Liberty 8.1
by
Keep CentOS Linux: Liberty Linux
Short Term Transitioning Solution
16. Copyright © SUSE 2021
openSUSE Leap
SLE 15
Minor version every 12 months
Major Release ~5 years support
Move to a
fully supported OS
without reinstallation
CentOS Linux
CentOS 6 - End of Life 2020
CentOS 7 - End of Life 2024
CentOS 8 - End of Life 2021
Migration Path
No Big Bang
16
Need a free and stable OS: Slow Migration
Mid/Long Term Solution
17. Copyright © SUSE 2021
Hypervisors
Private and
public cloud
Server
hardware
Storage
hardware
SUSE Linux
Enterprise
workload
Red Hat
Linux
workload
IOT
Ubuntu
Linux
workload
17
SUSE Manager: Heterogeneous Lifecycle
On-going Solution
19. Copyright © SUSE 2021 19
Je cherche
…une distribution
Linux gratuite stable
Scénario :
openSUSE Leap
..une solution pour
conserver mes
CentOS Linux à jour
Scénario :
Liberty Linux
…une distribution
Linux gratuite stable
hors prod et un
support pour appli
critique
Scénario :
openSUSE Leap
+ SLES
…comment faire
avec ce parc
hétérogène de Linux
(CentOS, RH, SLES,
Leap, Ubuntu, …)
Scénario :
SUSE Manager
20. Copyright © SUSE 2021
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