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Linux booting

Hi,
I have an HP Proliant ML 150 with two drives in it. one drive has Windows server 2008. The other drive is new and I just installed CentOS on it.
I want to be able to either choose which to boot from at boot time OR change something in the bios to allow me to change boot device. Are either/both of these possible?

Thanks,
Nacht
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nachtmsk
Asked:
nachtmsk
1 Solution
 
MazdajaiCommented:
Since you install on different drive, you can only boot to the OS by selecting the drive to boot on startup. (Requires to enter the boot menu)

If you want to be able to either choose which to boot from at boot time, you need to install both OS on the same drive. See following for dual booting -

http://www.techotopia.com/index.php/Installing_CentOS_with_Windows_in_Dual_Boot_Environment#Editing_the_CentOS_Boot_Menu
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serialbandCommented:
Yes, it's possible.

If your default boot manager is grub, because you've just installed linux and overrode the windows boot loader than you need to change the configuration https://help.ubuntu.com/community/WindowsDualBoot

http://askubuntu.com/questions/115993/how-to-add-ubuntu-to-the-windows-xp-boot-ini-file


If you've done it the other way, it's a bit more involved.
https://bkpavan.wordpress.com/2008/04/02/how-to-boot-linux-using-windows-bootloader-xp/
http://highlandsun.com/hyc/linuxboot.html
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comfortjeaniusCommented:
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nachtmskAuthor Commented:
I didn't overwrite windows or install with windows. CentOS is installed on it's own disk, it's the only thing on the disk.
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serialbandCommented:
Which is your primary disk?  If Windows is your primary boot, you can follow the instructions I've linked to make it work.  It's the same instructions as if you've installed Windows 2nd.

It's usually just so much easier to install linux after windows is put in place.
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