transfering kernel image to another system

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03-02-2012

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transfering kernel image to another system

my server system is low on disk. To install a new kernel I think i shall do the following:

1. compile the kernel on another system.
2. copy bzImage along with config, System.map and of course the laodable module in /lib/modules and transfer them to the server.

3. Now, I can remove the server's old kernel to free up the space and put the the files in /boot as well as copying loadable modules to

no,... this is not the way, this way I need to make the drivers the image as well. There's another way, in ubuntu I can make .deb files of the headers and the linux, if I transfer only those two files to the server, I think i can install the new kernel using dpkg. what do you think?

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LEARN ABOUT CENTOS

mkbootdisk

MKBOOTDISK(8)						      System Manager's Manual						     MKBOOTDISK(8)

NAME

       mkbootdisk - creates a stand-alone boot floppy for the running system

SYNOPSIS

       mkbootdisk [--version] [--noprompt] [--verbose]
		  [--device devicefile] [--size size]
		  [--kernelargs <args>] [--iso] kernel

DESCRIPTION

       mkbootdisk  creates  a  boot  floppy  appropriate for the running system. The boot disk is entirely self-contained, and includes an initial
       ramdisk image which loads any necessary SCSI modules for the system. The created boot disk looks for the root filesystem on the device sug-
       gested by /etc/fstab.  The only required argument is the kernel version to put onto the boot floppy.

OPTIONS

       --device devicefile
	      The  boot image is created on devicefile. If --device is not specified, /dev/fd0 is used. If devicefile does not exist mkinitrd cre-
	      ates a 1.44Mb floppy image using devicefile as the filename.

       --noprompt
	      Normally, mkbootdisk instructs the user to insert a floppy and waits for confirmation before continuing. If --noprompt is specified,
	      no prompt is displayed.

       --verbose
	      Instructs mkbootdisk to talk about what it's doing as it's doing it. Normally, there is no output from mkbootdisk.

       --iso  Instructs mkbootdisk to make a bootable ISO image as devicefile.

       --version
	      Displays the version of mkbootdisk and exits.

       --kernelargs args
	      Adds  args  to the arguments appended on the kernel command line. If this is not specified mkbootdisk uses grubby to parse the argu-
	      ments for the default kernel from grub.conf, if possible.

       --size size
	      Uses size (in kilobytes) as the size of the image to use for the boot disk.  If this is not  specified,  mkbootdisk  will  assume  a
	      standard 1.44Mb floppy device.

SEE ALSO

       grubby(8) dracut(8)

AUTHOR

       Erik Troan <ewt@redhat.com>

4th Berkeley Distribution					  Tue Mar 31 1998						     MKBOOTDISK(8)

UNIX for Advanced & Expert Users