Very Computer

Hi,

On an installed machine, how can I tell which bootloader is using?

I noticed that a lot of PCs with RedHat 7.2 installed in our office has
both lilo and grub packages loaded. The configuation files
/etc/lilo.conf and /etc/grub.conf, and /boot/grub directory are all on
the machine. And the configuration files have the same settings with
different syntax. And because the bootloader is installed in MBR not the

first sector of boot partition, dd if=... bs=512 count=1 gave me empty
result.

Then how to tell which bootloader they are using? Is there a way to
switch the bootloader without reinstall?

On 7.2 kickstart coniguration options, there is bootloader option. If I
don't use this option, I use "lilo -mbr" instead. Which bootloader is
installed to the MBR?

Thank you very much for your help!

Xiaoqin

The bootloader should print its identity when the system boots. If you do
not want to reboot your machine, if /dev/hda is the drive you boot from,
try:

dd if=/dev/hda bs=1024 count=1 | grep GRUB

If you see a match, then you are using Grub. Otherwise try:

dd if=/dev/hda bs=1024 count=1 | grep LILO

Quote:> Is there a way to switch the bootloader without reinstall?

You can switch the bootloader without a reinstall. Just follow the
bootloader's documentation.

--
CrayzeeWulf

.... check the lilo.conf or grub's menu.lst file to see
which is being installed where. (boot line)

--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Michael J. Tobler: motorcyclist, surfer,  #    Black holes result
 skydiver, and author: "Inside Linux",     #   when God divides the  
 "C++ HowTo", "C++ Unleashed"              #     universe by zero