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  1. #1

    Deleting Kernels

    Hi All.. My boot partition is filling up (Linux with WHM) and using SSH and the grep kernel command I got this:

    kernel-devel-2.6.9-55.0.12.EL
    kernel-devel-2.6.9-55.0.6.EL
    kernel-2.6.9-67.0.15.EL
    kernel-2.6.9-78.0.8.EL
    kernel-2.6.9-78.0.22.EL
    kernel-devel-2.6.9-89.29.1.EL
    kernel-devel-2.6.9-89.31.1.EL
    kernel-utils-2.4-23.el4
    kernel-hugemem-devel-2.6.9-100.EL
    kernel-2.6.9-100.EL
    kernel-devel-2.6.9-67.EL
    kernel-devel-2.6.9-55.0.9.EL
    kernel-devel-2.6.9-89.0.7.EL
    kernel-devel-2.6.9-89.0.20.EL
    kernel-2.6.9-89.0.25.EL
    kernel-devel-2.6.9-89.33.1.EL
    kernel-2.6.9-78.0.5.EL
    kernel-2.6.9-89.0.11.EL
    kernel-devel-2.6.9-89.0.16.EL
    kernel-2.6.9-89.0.18.EL
    kernel-2.6.9-89.0.28.EL
    kernel-devel-2.6.9-42.EL
    kernel-2.6.9-55.0.9.EL
    kernel-2.6.9-55.0.6.EL
    kernel-devel-2.6.9-67.0.7.EL
    kernel-devel-2.6.9-67.0.20.EL
    kernel-devel-2.6.9-67.0.22.EL
    kernel-devel-2.6.9-78.0.8.EL
    kernel-devel-2.6.9-78.0.17.EL
    kernel-devel-2.6.9-89.0.11.EL
    kernel-2.6.9-89.0.16.EL
    kernel-devel-2.6.9-89.0.19.EL
    kernel-2.6.9-89.0.20.EL
    kernel-2.6.9-89.0.23.EL
    kernel-devel-2.6.9-89.0.25.EL
    kernel-2.6.9-89.0.29.EL
    kernel-2.6.9-89.29.1.EL
    kernel-smp-devel-2.6.9-100.EL
    kernel-2.6.9-55.0.12.EL
    kernel-2.6.9-67.EL
    kernel-2.6.9-55.0.2.EL
    kernel-devel-2.6.9-67.0.4.EL
    kernel-2.6.9-67.0.22.EL
    kernel-devel-2.6.9-78.0.13.EL
    kernel-2.6.9-89.0.9.EL
    kernel-devel-2.6.9-89.0.18.EL
    kernel-devel-2.6.9-89.0.29.EL
    kernel-2.6.9-89.33.1.EL
    kernel-devel-2.6.9-67.0.15.EL
    kernel-2.6.9-67.0.20.EL
    kernel-2.6.9-42.EL
    kernel-2.6.9-67.0.7.EL
    kernel-devel-2.6.9-78.0.1.EL
    kernel-devel-2.6.9-78.0.5.EL
    kernel-devel-2.6.9-89.0.15.EL
    kernel-devel-2.6.9-89.0.23.EL
    kernel-devel-2.6.9-89.0.28.EL
    kernel-2.6.9-89.31.1.EL
    kernel-devel-2.6.9-89.35.1.EL
    kernel-2.6.9-67.0.1.EL
    kernel-devel-2.6.9-55.0.2.EL
    kernel-devel-2.6.9-67.0.1.EL
    kernel-2.6.9-67.0.4.EL
    kernel-2.6.9-78.0.1.EL
    kernel-2.6.9-78.0.13.EL
    kernel-2.6.9-78.0.17.EL
    kernel-devel-2.6.9-78.0.22.EL
    kernel-devel-2.6.9-89.0.9.EL
    kernel-2.6.9-89.0.15.EL
    kernel-2.6.9-89.0.19.EL
    warning: only V3 signatures can be verified, skipping V4 signature
    kernel-2.6.9-89.35.1.EL
    kernel-devel-2.6.9-100.EL

    I checked which kernel I'm currently running using this command:

    uname -r and got this

    2.6.9-89.0.23.EL


    How many of these old kernels should I delete and how many would you suggest I leave? I've been told leave three but not sure which ones and if I have to go give a command to delete each individually or is there a global command I can use to delete kernels in a parameter.

    Thanks in advance.

  2. #2
    Join Date
    Mar 2011
    Posts
    93
    Quote Originally Posted by Coldsmoke View Post
    Hi All.. My boot partition is filling up (Linux with WHM) and using SSH and the grep kernel command I got this:

    kernel-devel-2.6.9-55.0.12.EL
    kernel-devel-2.6.9-55.0.6.EL
    kernel-2.6.9-67.0.15.EL
    kernel-2.6.9-78.0.8.EL
    kernel-2.6.9-78.0.22.EL
    kernel-devel-2.6.9-89.29.1.EL
    kernel-devel-2.6.9-89.31.1.EL
    kernel-utils-2.4-23.el4
    kernel-hugemem-devel-2.6.9-100.EL
    kernel-2.6.9-100.EL
    kernel-devel-2.6.9-67.EL
    kernel-devel-2.6.9-55.0.9.EL
    kernel-devel-2.6.9-89.0.7.EL
    kernel-devel-2.6.9-89.0.20.EL
    kernel-2.6.9-89.0.25.EL
    kernel-devel-2.6.9-89.33.1.EL
    kernel-2.6.9-78.0.5.EL
    kernel-2.6.9-89.0.11.EL
    kernel-devel-2.6.9-89.0.16.EL
    kernel-2.6.9-89.0.18.EL
    kernel-2.6.9-89.0.28.EL
    kernel-devel-2.6.9-42.EL
    kernel-2.6.9-55.0.9.EL
    kernel-2.6.9-55.0.6.EL
    kernel-devel-2.6.9-67.0.7.EL
    kernel-devel-2.6.9-67.0.20.EL
    kernel-devel-2.6.9-67.0.22.EL
    kernel-devel-2.6.9-78.0.8.EL
    kernel-devel-2.6.9-78.0.17.EL
    kernel-devel-2.6.9-89.0.11.EL
    kernel-2.6.9-89.0.16.EL
    kernel-devel-2.6.9-89.0.19.EL
    kernel-2.6.9-89.0.20.EL
    kernel-2.6.9-89.0.23.EL
    kernel-devel-2.6.9-89.0.25.EL
    kernel-2.6.9-89.0.29.EL
    kernel-2.6.9-89.29.1.EL
    kernel-smp-devel-2.6.9-100.EL
    kernel-2.6.9-55.0.12.EL
    kernel-2.6.9-67.EL
    kernel-2.6.9-55.0.2.EL
    kernel-devel-2.6.9-67.0.4.EL
    kernel-2.6.9-67.0.22.EL
    kernel-devel-2.6.9-78.0.13.EL
    kernel-2.6.9-89.0.9.EL
    kernel-devel-2.6.9-89.0.18.EL
    kernel-devel-2.6.9-89.0.29.EL
    kernel-2.6.9-89.33.1.EL
    kernel-devel-2.6.9-67.0.15.EL
    kernel-2.6.9-67.0.20.EL
    kernel-2.6.9-42.EL
    kernel-2.6.9-67.0.7.EL
    kernel-devel-2.6.9-78.0.1.EL
    kernel-devel-2.6.9-78.0.5.EL
    kernel-devel-2.6.9-89.0.15.EL
    kernel-devel-2.6.9-89.0.23.EL
    kernel-devel-2.6.9-89.0.28.EL
    kernel-2.6.9-89.31.1.EL
    kernel-devel-2.6.9-89.35.1.EL
    kernel-2.6.9-67.0.1.EL
    kernel-devel-2.6.9-55.0.2.EL
    kernel-devel-2.6.9-67.0.1.EL
    kernel-2.6.9-67.0.4.EL
    kernel-2.6.9-78.0.1.EL
    kernel-2.6.9-78.0.13.EL
    kernel-2.6.9-78.0.17.EL
    kernel-devel-2.6.9-78.0.22.EL
    kernel-devel-2.6.9-89.0.9.EL
    kernel-2.6.9-89.0.15.EL
    kernel-2.6.9-89.0.19.EL
    warning: only V3 signatures can be verified, skipping V4 signature
    kernel-2.6.9-89.35.1.EL
    kernel-devel-2.6.9-100.EL

    I checked which kernel I'm currently running using this command:

    uname -r and got this

    2.6.9-89.0.23.EL


    How many of these old kernels should I delete and how many would you suggest I leave? I've been told leave three but not sure which ones and if I have to go give a command to delete each individually or is there a global command I can use to delete kernels in a parameter.

    Thanks in advance.
    You should really consider getting yourself a SysAdmin, as the system seems like a mess.

    From what it seems you are running either RHEL 4 or CentOS 4, and for whatever reason you are not even running the latest kernel installed.

    There is a chance that you simply hadn't rebooted the server after the kernel upgrades. Please do and check what kernel it shows then.

    Right now you can safely remove all kernels before kernel-2.6.9-89.0.19.EL, and their associated -devel packages.

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