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Originally Posted by jayakumar01
Our Developers had developed application with support and tested on Centos 5.7 environment .Since i could not able to move application to Centos 6.2 ,
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No. With all due respect you're reasoning the other way around. Either these developers should seek to get their application approved for CEntOS-5.8 or CEntOS-6.3 or be taught about RHEL product updates and life cycles. The practice of applications keeping software or a whole OS captive, keeping them from having required bug fix and security updates applied (in order to remain eligible for support for example), is IMNSHO an abysmal one.
Quote:
Originally Posted by jayakumar01
I have not updated kernel version till yet .
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RHEL 5 Update 7 was released in June 2011 and there have been 5 kernel upgrades since its release and the last one was 2.6.18-274.18.1. Update 8 as released in February of this year and there have been 6 kernel upgrades bringing it up to 2.6.18-308.8.2. (By comparison RHEL 6 Update 3's kernel saw 4 updates, current being 2.6.32-279.5.2 IIGC.) So if I understand you correctly and you have not upgraded 5.7 to 5.8 then you're short of a total of 11 kernel updates. And the longer you choose to keep obsolete kernel versions the harder it will become to get up to date in an efficient way.
Quote:
Originally Posted by jayakumar01
Any help yum update solve my problem
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Take one CEntOS-5.7 machine and bring its kernel version up to 2.6.18-274.18.1. Then update it to 5.8 and follow the kernels upgrade path to 2.6.18-308.8.2. Then you can stay with CEntOS-5 until 2017, which marks the end of the regular life cycle (upstream extended support from 7 to 10 years).
* Again, yes you can try to transplant 6.3's 2.6.32-279.5.2, yes you can scour any 3rd party repo for newer kernels or build your own ones but such kludges are ill-supported by the community and IMHO for good reasons.