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I am migrating a classic LAMP application from Red Hat 5.3 to EC2, and cannot find a CentOS 5.3 image in the community to meet my needs. I don't have time to roll my own AMI. Creating my own repo and updating Amazon's stock Fedora 8 has so far proved difficult, and I am concerned that using it as a base will expose security holes, although the kernel has been updated to

  1. Can anybody recommend a RHEL5.3 binary compatible AMI?
  2. If not, where is the information on backported security fixes to the Fedora 8 repo? I was under the impression it had reached EOL.

The idea of running Fedora 8 in production is abhorrent to me - can anybody explain why it's offered by Amazon and whether it's suitably patched?

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up vote 2 down vote accepted

How about using the Amazon AMI?

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This certainly looks good, what are your experiences of it? Will spin one up and investigate. – Andy Oct 5 '10 at 13:20
I've been using Ubuntu AMI's so not much yet on this. Let us know how it goes. – rquillo Oct 6 '10 at 4:37
Although this is still in beta and not quite fully featured enough (missing nginx, memcached, some php libs) it's the closest image I can find. While not using it now, I'll certainly migrate to it in the future. Thanks! – Andy Oct 11 '10 at 9:49

Use a CentOS 5.4 image, it should work just fine. The minor point releases of RHEL/CentOS are inconsequential to most average folks, they're just bugfixes and slightly updates packages but in general 100% compatible.

There are a few other variants if you search for CentOS 5.4.

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Without rolling your own AMI you've got three options:
- The RightScale CentOS images are sortof the defacto ones
- Amazon just started their own distro which is basically a parallel-fork of CentOS 5
- Actually pay for the official RHEL AMIs

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