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Thread: unable to boot - This kernel requires the following features not present on the CPU

  1. #1
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    Post unable to boot - This kernel requires the following features not present on the CPU

    Hi guys

    am Karim from Morocco am so happy to post my problem here in this Forum

    look am having a problem i downloaded kali-linux-1.0.3-i386.iso
    i tried to make a virtual machine & run kali but an error pop up telling me that

    This kernel requires the following features not present on the CPU:
    Unable to boot - please use a kernel appropriate for your CPU.
    i already have BT5R3 installed & never face this problem of CPU ...

    am usign HP compaq 6910p '2 proccesurs Ram: 2G'

    please i cherched i find

    but is not usefull for me .

    any ways Thnx guys for listing
    best regards

  2. #2
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    Does your CPU have PAE ? If it does not building a custom ISO might solve your issue:

  3. #3
    Join Date
    The error you are getting means that your CPU does not support PAE extensions which is a a feature which allows a 32bit CPU to address more than 4GB of memory address space. As suggested by sickness you can try to build a custom ISO.

  4. #4
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    thnx guys for helping so i should do this in livebuild
    Building Kali Linux for older i386 architecture

    apt-get install git live-build cdebootstrap kali-archive-keyring
    git clone git://
    cd live-build-config
    sed -i 's/686-pae/486/g' auto/config
    lb clean
    lb config --architecture i386
    lb build
    but i don't have livebuild (apt-get install live-build) or i should do this in BT5 or ubunto .. distros that already built on debian to make my customize distro

    ... problem that my HDD has lost die more than week am working form LIVE CD BT5 & i don't have enough memory to do this op ..can any one do this for me

    if there any way to install just tools of KALI in ubunto or backtrack

  5. #5
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    i solved the problem i downloaded debian whezzly is pretty cool & fat distro i installed livebuild .. i think i will add some stuff to my costumize distro Best regads Guys

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