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  1. #1

    how to upgrade kernel

    welcome

    I am using centos 4.6 on 2.6.9-67smp kernel
    I need to update the kernel to 2.6.25.3
    is that possible ?

    thanks

  2. #2
    Yes this is possible. I would suggest recompiling the kernel yourself. Just use your current .config
    www.NixDevs.com : The Linux Engineers.

  3. #3
    Join Date
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    Quote Originally Posted by Feeyo View Post
    Yes this is possible. I would suggest recompiling the kernel yourself. Just use your current .config
    If he doesn't know how to upgrade the kernel using YUM, than why would you "suggest" compiling the kernel himself?
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  4. #4
    cool
    thanks alot

    but how ? I updated it but i failed maybe i did a mistake can you help me in this

  5. #5
    Quote Originally Posted by daejuanj View Post
    If he doesn't know how to upgrade the kernel using YUM, than why would you "suggest" compiling the kernel himself?
    I am just answering his specific question. If it is possible to update his kernel to that version. YES that is possible. What I suggest is what I would do. Nothing more. nothing less.
    www.NixDevs.com : The Linux Engineers.

  6. #6
    Quote Originally Posted by LayeredSoft View Post
    cool
    thanks alot

    but how ? I updated it but i failed maybe i did a mistake can you help me in this
    This is a nice howto: http://www.webhostingtalk.com/showthread.php?t=519660
    www.NixDevs.com : The Linux Engineers.

  7. #7
    Quote Originally Posted by daejuanj View Post
    If he doesn't know how to upgrade the kernel using YUM, than why would you "suggest" compiling the kernel himself?
    just to learn new thing !
    any problem ?

    thanks , but the latest kernel availaible in yum is 2.6.9 for centos 4
    any nice howto for updating kernel from source

  8. #8
    This is a really good howto : http://www.howtoforge.net/kernel_compilation_centos
    Follow the steps carefully. I would not recommend doing this on a live server. Try to follow the guide step by step and test it on a test server first.

    Good luck!
    www.NixDevs.com : The Linux Engineers.

  9. #9
    thanks alot

  10. #10
    Join Date
    May 2008
    Posts
    55
    Quote Originally Posted by LayeredSoft View Post
    I am using centos 4.6 on 2.6.9-67smp kernel
    I need to update the kernel to 2.6.25.3
    Do you really NEED to upgrade it, or you just want to?

    If you really don't need to, I'd leave it alone. "If it ain't broke, don't fix it."

    New kernels mean a reboot at a minimum, and possible packages breaking (due to depending on old kernel), and at worst the new kernel may not like your hardware, panic and fail.

    Never build your own kernel, unless you have experience with it. Don't learn on a production machine.

    If you do need to upgrade the kernel, I suggest you build a practice server, and learn on it. A dual-booting home or work pc is fine for this. Also, make sure you BACKUP that server before you upgrade!

    Let us all know what happens, I'm curious!

  11. #11
    hello drokmed
    this what happened :d
    http://www.webhostingtalk.com/showthread.php?t=692959

    server failed to boot
    when I read your post I thing the problem is from the hardwares
    the server using
    Intel Pentium 4 2 x 2.8Ghz + 2 x 512K cache

    but I will contact the DC to reboot it I do this in grub :
    grub > savedefault -default=0 --once

    then rebooted the server

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