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Thread: Kernel update

  1. #1
    Join Date
    Aug 2012
    Ubuntu 14.04 Trusty Tahr

    Kernel update

    Hi all,

    I want to configure DRBD in my Rackspace cloud servers. While following the online guides, I can see that the kernel should be updated that support drbd. When I check in the servers, I can see drbd module is not included in my server kernel.

    root@test1:~# modprobe drbd
    FATAL: Module drbd not found.

    I have tried to update the kernel module by apt-get upgrade but it is showing upto date.

    root@test1:~# apt-get upgrade
    Reading package lists... Done
    Building dependency tree
    Reading state information... Done
    The following packages have been kept back:
    0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
    kindly advise....

    Last edited by Caboose885; April 11th, 2014 at 12:34 PM.

  2. #2
    Join Date
    Aug 2009
    Charleston, SC (USA)
    Ubuntu 14.04 Trusty Tahr

    Re: Kernel update

    The package is being heldback. The following command will tell apt-get to update it.

    sudo apt-get dist-upgrade
    So what's the difference between upgrade and dist-upgrade?

    upgrade -- upgrade is used to install the newest versions of all packages currently installed on the system
    dist-upgrade -- in addition to performing the function of upgrade, also intelligently handles changing dependencies with new versions of packages
    Hope that helps!
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  3. #3
    Join Date
    Jan 2012
    London, UK
    Ubuntu Development Release

    Re: Kernel update

    Hi there!

    The documentation states that DRBD is compiled into the server kernel by default.

    The exception is that DRBD is not compiled into the virtual server kernel. And must be done so by the user. Updating will not resolve if it is the virtual machine kernel. The documentation recommends installing the linux-server package.

    More info

    Hope it's helpful,

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