$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

Debian Bullseye Kernel 6.2 Source Installation – Step-by-step

April 2, 2023 | By the+gnu+linux+evangelist.

Installing

  1. 5. Configuring Kernel

    So now to Configure Debian Custom Linux Kernel
    First, access the Kernel Source with:

    cd linux*

    Then copy the current Configuration File into the New Kernel Source:

    cp /boot/config*`uname -r` .config

    In case of a Chrooted System instead yuo may look up the available Kernels with:

    ls /boot | grep config

    The grep Command refine the output List showing only the entries Matching the Keyword.
    Again fix the Configuration File editing it with nano and commenting out like:

    sudo nano .config

    Use Ctrl+w to search for “CONFIG_SYSTEM_TRUSTED_KEYS” on nano.
    And comment out the Line like:

    #CONFIG_SYSTEM_TRUSTED_KEYS="debian/certs/debian-uefi-certs.pem"

    Ctrl+x to Save & Exit.
    Else to make a Custom one then reconfigure the Kernel (Only for advanced Users) with:

    sudo make menuconfig

    For instructions see: How to Configure a Build Kernel.

  2. 6. Building Kernel

    Next to Build Debian Custom Linux Kernel
    Make it with:

    sudo make clean

    And then:

    sudo make deb-pkg LOCALVERSION=-custom KDEB_PKGVERSION=$(make kernelversion)-1
    

    When prompted if uncertain then simply follow to hit until the end.

    Prompt

    Then think to other task to follow because the process will take about a couple of Hours…
    Last, to check the builded Images play:

    ls ../*.deb | grep image
    Builded Images
  3. 7. Installing Kernel

    Finally, to Install Debian Custom Linux Kernel
    Simply play:

    sudo dpkg -i ../linux-image*custom_*.deb ../linux-headers*.deb

    And this setup includes also the Custom Kernel Headers that you don’t will find online…
    And finally reboot with:

    sudo reboot now

    Finally, you should boot into your barely new Debian Linux Kernel :)
    To check it run:

    uname -r

    In case of Issues you still can choose the previous one on the GRUB Splash Screen.

    uname r
  4. 8. Updating Firmware

    How to Update Linux Devices Firmware on GNU/Linux

    Updating Firmware Guide

    Especially relevant: this setup is optional and may be required only to make use of some New Device Drivers not available in your current Firmware.

Contents


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