Sergio Belkin wrote: > 2009/8/27 Johnny Hughes <johnny@xxxxxxxxxx>: >> Sergio Belkin wrote: >>> 2009/8/27 Filipe Brandenburger <filbranden@xxxxxxxxx>: >>>> Hi, >>>> >>>> On Thu, Aug 27, 2009 at 12:46, Sergio Belkin<sebelk@xxxxxxxxx> wrote: >>>>> Jim, thanks for the suggestion, but Firstly: I need a newer kernel in >>>>> order to get IO statistics from tools like atop, pidstat, etc. And >>>>> secondly and most important: my boss wants that :) >>>> Then CentOS is not what you want. >>>> >>>> There is a reason why RHEL/CentOS does not ship with the latest kernel >>>> (and other components) and backports fixes instead. It's not trivial >>>> to make different versions of these components work together. If you >>>> try to replace the kernel (or other core components) you will see how >>>> painful it is. In fact, you started to see it already. You may try to >>>> continue to go that way, but I doubt anyone in this list will be able >>>> to help you there... you're pretty much on your own. >>>> >>>>> So I'd be glad to hear other kind of solution :) >>>> Look at the latest Fedora or Ubuntu or another one of the "cutting >>>> edge" distributions that ship with more recent versions of components. >>>> >>>> Or ask yourself (or your boss) *WHY* you think you really need a later >>>> version of a certain component. What is your real problem? Is it >>>> support to a certain hardware? Is it network related? Is it >>>> (unfounded) fear that the kernel in CentOS might be vulnerable? It >>>> might be possible to solve your problem using CentOS in another way, >>>> if you come back to the list with the real problem we might be able to >>>> help you better. >>>> >>>> HTH, >>>> Felipe >>> I've just explained the reason why I've compiled. >>> >>> >> Let me try it a different way. >> >> The current kernel used by Red Hat in RHEL 4 is a 2.6.9-x kernel and it >> has 1973 patches. The one currently in use in RHEL 5 is a 2.6.18-x >> kernel with 2882 patches. >> >> Many packages are compiled against kernel-headers and depend on the proc >> structure that is there. >> >> SELinux is just one of many issues you will have if you try to use a >> main line kernel on CentOS. You will need to have several of the Red >> Hat patches (modified to work with the new kernel tree) incorporated in >> order to use a newer kernel on CentOS. >> >> If you absolutely have to have a newer kernel (you should not do this >> ... but hey, it IS your machine) ... then instead of trying to use a >> main line kernel, instead try to use the latest one from here: >> >> ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/RHEMRG/SRPMS/ >> >> This kernel has been tested for use with RHEL-5 and is 2.6.24-x. >> >> You still might have issues, but they should be far fewer than running a >> main line kernel on CentOS. >> >> Would you, if you boss told you he wanted you to, try to make the >> Windows Vista system files run on Windows 95? >> >> Thanks, >> Johnny Hughes > > > Thanks for provide the more smart and constructive answer so far. > > On ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/RHEMRG/SRPMS/ > I've only found kernel-rt, are they real time kernels? > Yes, those are real time kernels.
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