kernel-install — Add and remove kernel and initramfs images to and from /boot
kernel-install   COMMAND   KERNEL-VERSION  [KERNEL-IMAGE]
      kernel-install is used to install and remove kernel and
      initramfs images to and from /boot.
    
kernel-install will execute the files
    located in the directory /usr/lib/kernel/install.d/
    and the local administration directory /etc/kernel/install.d/.
    All files are collectively sorted and executed in lexical order, regardless of the directory in
    which they live. However, files with identical file names replace each other.
    Files in /etc/kernel/install.d/ take precedence over files with the same name
    in /usr/lib/kernel/install.d/. This can be used to override a system-supplied
    executables with a local file if needed; a symbolic link in /etc/kernel/install.d/
    with the same name as an executable in /usr/lib/kernel/install.d/,
    pointing to /dev/null, disables the executable entirely. Executables must have the
    extension .install; other extensions are ignored.
The following commands are understood:
KERNEL-VERSION KERNEL-IMAGE¶kernel-install creates the directory
          /boot/
          and calls every executable
          MACHINE-ID/KERNEL-VERSION//usr/lib/kernel/install.d/*.install and
          /etc/kernel/install.d/*.install with
          the arguments
          
addKERNEL-VERSION/boot/MACHINE-ID/KERNEL-VERSION/
The kernel-install plugin 50-depmod.install runs depmod for the KERNEL-VERSION.
The kernel-install plugin 90-loaderentry.install copies
          KERNEL-IMAGE to
          /boot/.
          It also creates a boot loader entry according to the boot loader specification in
          MACHINE-ID/KERNEL-VERSION/linux/boot/loader/entries/.
          The title of the entry is the MACHINE-ID-KERNEL-VERSION.confPRETTY_NAME parameter specified in /etc/os-release,
          or "Linux KERNEL-VERSION", if unset.
          If the file initrd is found next to the
          linux file, the initrd will be added to
          the configuration.
KERNEL-VERSION¶calls every executable /usr/lib/kernel/install.d/*.install
          and /etc/kernel/install.d/*.install with the arguments
          
removeKERNEL-VERSION/boot/MACHINE-ID/KERNEL-VERSION/
kernel-install removes the entire directory
          /boot/ afterwards.MACHINE-ID/KERNEL-VERSION/
The kernel-install plugin 90-loaderentry.install removes the file
          /boot/loader/entries/.MACHINE-ID-KERNEL-VERSION.conf
/usr/lib/kernel/install.d/*.install
          /etc/kernel/install.d/*.install
        ¶Drop-in files, which are executed by kernel-install.
/etc/kernel/cmdline
          /proc/cmdline
        ¶The content of the file /etc/kernel/cmdline specifies the kernel command line to use.
            If that file does not exist, /proc/cmdline is used.
/etc/machine-id
        ¶The content of the file specifies the machine identification MACHINE-ID.
/etc/os-release
        ¶The content of the file specifies the operating system title PRETTY_NAME.