kexec - Tool to load a kernel for warm reboot and initiate a warm reboot

kexec [options] files...

kexec allows one to load another kernel from the currently running Linux kernel. Normally one would load a kernel, and possibly an initial ramdisk, into the currently running kernel using kexec and then initiate a warm reboot by executing kexec again with appropriate option.

These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below.

-h, --help

Show summary of options.

-v, --version

Show version of program.

-f, --force

Force an immediate kexec without calling shutdown.

-x, --no-ifdown

Don't bring down network interfaces. (if used, must be last option specified)

-l, --load

Load the new kernel into the current kernel.

-p, --load-panic

Load the new kernel for use on panic.

-u, --unload

Unload the current kexec target kernel.

-e, --exec

Execute a currently loaded kernel.

-t, --type=TYPE

Specify the new kernel is of this type.

--mem-min=<addr>

Specify the lowest memory addres to load code into.

--mem-max=<addr>

Specify the highest memory addres to load code into.

There may be additional options supported on individual architectures. Use --help option to see those options.

kexec was written by Eric Biederman.

This manual page was written by Khalid Aziz <khalid_aziz@hp.com>, for the Debian project (but may be used by others).