10 year support cycle as of Red Hat 5
| Red Hat 6 (released 10 Nov 2010, EOL 30 Nov 2020) |
Red Hat 5 (released 14 Mar 2007, EOL 31 March 2017) |
Red Hat 4 (released 14 Feb 2005, EOL 29 Feb 2012 without extended support contract) |
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10 year support cycle as of CentOS 5
| CentOS 6 (released 10 Jul 2011, EOL 30 Nov 2020) |
CentOS 5 (released 12 Apr 2007, EOL 31 Mar 2017) |
CentOS 4 (released 09 Mar 2005, EOL 29 Feb 2012) |
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5 year support cycle
| Ubuntu 12.04 (released 26 April 2012, EOL April 2017) |
Ubuntu 10.04 (released 29 April 2010, EOL April 2015 |
Ubuntu 8.04 (released 24 April 2008, EOL April 2013) |
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~3 year support cycle
Point releases every 2 months
Point releases every 2 months
| Debian 7 (released 04 May 2013, EOL ~May 2016 estimate) |
Debian 6 (released 06 Feb 2011, EOL ~Late 2014 estimate) |
Debian 5 (release date 14 Feb 2009, EOL 06 Feb 2012) |
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7 year support cycle with optional 3 year LTSS extension
Service Packs approximately every 18 months
Service Packs approximately every 18 months
| SUSE Linux Enterprise Server 11 (released 24 Mar 2009, EOL Mar 2016) |
SUSE Linux Enterprise Server 10 (released 17 Jun 2006, EOL June 2013) |
SUSE Linux Enterprise Server 9 (released 03 Aug 2004, EOL June 2011 without extended contract) |
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