kernel-install(8) - phpMan

KERNEL-INSTALL(8)                         kernel-install                        KERNEL-INSTALL(8)



NAME
       kernel-install - Add and remove kernel and initramfs images to and from /boot

SYNOPSIS
       kernel-install COMMAND KERNEL-VERSION [KERNEL-IMAGE]

DESCRIPTION
       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 filenames 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.

COMMANDS
       The following commands are understood:

       add KERNEL-VERSION KERNEL-IMAGE
           kernel-install creates the directory /boot/MACHINE-ID/KERNEL-VERSION/ and calls every
           executable /usr/lib/kernel/install.d/*.install and /etc/kernel/install.d/*.install
           with the arguments

               add KERNEL-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/MACHINE-ID/KERNEL-VERSION/linux. It also creates a boot loader entry according
           to the boot loader specification in
           /boot/loader/entries/MACHINE-ID-KERNEL-VERSION.conf. The title of the entry is the
           PRETTY_NAME parameter specified in /etc/os-release or /usr/lib/os-release (if the
           former is missing), 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.

       remove KERNEL-VERSION
           Calls every executable /usr/lib/kernel/install.d/*.install and
           /etc/kernel/install.d/*.install with the arguments

               remove KERNEL-VERSION /boot/MACHINE-ID/KERNEL-VERSION/

           kernel-install removes the entire directory /boot/MACHINE-ID/KERNEL-VERSION/
           afterwards.

           The kernel-install plugin 90-loaderentry.install removes the file
           /boot/loader/entries/MACHINE-ID-KERNEL-VERSION.conf.

EXIT STATUS
       If every executable returns with 0, 0 is returned, a non-zero failure code otherwise.

FILES
       /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 /usr/lib/os-release
           The content of the file specifies the operating system title PRETTY_NAME.

SEE ALSO
       machine-id(5), os-release(5), Boot loader specification[1]

NOTES
        1. Boot loader specification
           http://www.freedesktop.org/wiki/Specifications/BootLoaderSpec



systemd 219                                                                     KERNEL-INSTALL(8)

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