What is a redhat kernel boot entry?



  • They are a collection of kernel options that are stored in a configuration file. The configuration file is tied to a particular version of the kernel.

    There is usually one configuration file for every kernel you have installed. The boot entry configuration files are located in the /boot/loader/entries directory.

    An example boot entry file looks like this. The name is comprised of the machine-id.

    # more c74bc11fb3d6436bb2716196dd0e7a47-4.18.0-80.4.2.el8_0.x86_64.conf
    title Red Hat Enterprise Linux (4.18.0-80.4.2.el8_0.x86_64) 8.0 (Ootpa)
    version 4.18.0-80.4.2.el8_0.x86_64
    linux /boot/vmlinuz-4.18.0-80.4.2.el8_0.x86_64
    initrd /boot/initramfs-4.18.0-80.4.2.el8_0.x86_64.img $tuned_initrd
    options $kernelopts $tuned_params
    id rhel-20190614132937-4.18.0-80.4.2.el8_0.x86_64
    grub_users $grub_users
    grub_arg --unrestricted
    grub_class kernel
    


© Lightnetics 2024