Red Hat Enterprise Linux
10 year support cycle as of RHEL 5
RHEL with Extended Life Cycle Support (ELS) adds additional support past the 10 year mark.
| RHEL 9 (released 18 May 2022, EOL 31 May 2032) Extended Support (ELS): 31 May 2034 |
RHEL 8 (released 07 May 2019, EOL 31 May 2029) Extended Support (ELS): 31 May 2031 |
RHEL 7 (released 10 Jun 2014, EOL 30 Jun 2024) Extended Support (ELS): 30 Jun 2026 |
RHEL 6 (released 10 Nov 2010, EOL 30 Nov 2020) Extended support (ELS): 30 Jun 2024 |
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CentOS Linux
CentOS has been changed by Red Hat and is no longer the equivalent of a copy of RHEL. Rocky Linux is perhaps the best alternative going forward as a free community version of RHEL. CentOS alternatives:
Rocky Linux 8 | Planned EOL: May 31 2029
Oracle Enterprise Linux
| CentOS 8 (released 24 Sep 2019, EOL ~end of 2021) Do not use for enterprise due to short lifespan |
CentOS 7 (released 07 Jul 2014, EOL 30 Jun 2024) |
CentOS 6 (released 10 Jul 2011, EOL 30 Nov 2020) |
CentOS 5 (released 12 Apr 2007, EOL 31 Mar 2017) |
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Ubuntu Server LTS
Ubuntu Release Cycle
5 years of support with an additional 5 years via paid subscription (ESM).
| Ubuntu 22.04 (Jammy Jellyfish) (released 21 April 2022, EOL April 2027) |
Ubuntu 20.04 (Focal Fossa) (released 23 April 2020, EOL April 2025) |
Ubuntu 18.04 (Bionic Beaver) (released 26 April 2018, EOL April 2023) |
Ubuntu 16.04 (Xenial Xerus) (released 21 April 2016, EOL April 2021) |
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Debian Linux
5 year support cycle as of Debian 6
Point releases every 2 months
5 year LTS support cycle starting with Debian 6
Support Debian LTS for future Debian releases by contributing here.
| Debian 11 (Bullseye) (released 14 August 2021, LTS EOL August 2026) |
Debian 10 (Buster) (released 06 June 2019, LTS EOL June 2024) |
Debian 9 (Stretch) (released 17 June 2017, LTS EOL June 2022) |
Debian 8 (Jessie) (released 25 April 2015, LTS EOL 30 June 2020) |
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SUSE Linux Enterprise Server
10 year support cycle with optional 3 year LTSS extension
Service Packs approximately every 18 months
| SUSE Linux Enterprise Server 15 (released 29 Mar 2019, EOL 31 Mar 2029) Extended EOL: 31 Mar 2032 |
SUSE Linux Enterprise Server 12 (released 27 Oct 2014, EOL 31 Oct 2024) Extended EOL: 31 Oct 2027 |
SUSE Linux Enterprise Server 11 (released 24 Mar 2009, EOL 31 Mar 2019) Extended EOL: 31 Mar 2022 |
SUSE Linux Enterprise Server 10 (released 17 Jun 2006, EOL 31 Jul 2013) |
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