KEXEC

Section: Maintenance Commands (8)
Updated: October 13, 2004
Index Return to Main Contents
 

NAME

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

SYNOPSIS

kexec [options] files...  

DESCRIPTION

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.  

OPTIONS

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.
 

AUTHOR

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).


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
AUTHOR

linux.jgfs.net manual pages