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Kernel Update Needed?

Discussion in 'General Discussion' started by rpersonius, Oct 1, 2009.

  1. rpersonius

    rpersonius Registered

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    Should I update my kernel? Here is what I have now. What is the latest version that is compatible?

    cPanel 11.24.5-C39633 - WHM 11.24.2 - X 3.9
    REDHAT Enterprise 4 i686 standard on server
    Linux 2.6.9-42.0.2.EL #1 Thu Aug 17 17:36:53 EDT 2006 i686 i686 i386 GNU/Linux

    Thanks,
     
  2. thewebhosting

    thewebhosting Well-Known Member

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    You can check the kernel version from the SSH access. You will have to use below command to check the kernel version:

    uname -r

    Kernel version 2.6.18 is compatible.
     
  3. ManojB

    ManojB Well-Known Member

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    Let me know your os version, memory details, arch of your server so that I can suggest you the latest stable kenel version. You can check the same using the following given below commands :

    OS Version :
    cat /etc/redhat-release

    Memory Details :
    free -m

    Arch :
    arch

    You can check the update available for your current kernel version using the following command :

    yum list kernel
     
  4. rpersonius

    rpersonius Registered

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    Hi there and thanks for your help. Here is my servers info.

    Red Hat Enterprise Linux ES release 4 (Nahant Update 8)


    total used free shared buffers cached
    Mem: 495 485 10 0 40 306
    -/+ buffers/cache: 138 357
    Swap: 2000 198 1801


    i686
     
  5. DomineauX

    DomineauX Well-Known Member
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    Wow how do you get by with so little ram?
     
  6. cPanelTristan

    cPanelTristan Quality Assurance Analyst
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    Going back to this original post, yes, you should definitely upgrade your kernel immediately. You have the kernel version that allows root level exploits on the server. The kernels released on August 24, 2009 and later don't have that very serious vulnerability.

    For the discussion that RedHat released at the time about the required upgrade:

    https://rhn.redhat.com/errata/RHSA-2009-1223.html

    Of note, the kernel listed there is not the newest one now. I'm simply linking to that advisory to see how your existing version is older and at risk.
     
    #6 cPanelTristan, Oct 4, 2009
    Last edited: Oct 4, 2009
  7. nomankhn

    nomankhn Member

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    If you had purchase the license then yum update, if problem come you can contact redhat. RHEL license come with support.
     
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