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but can CentOS detect my Debian and automatically configure bootloader? I like to have two Distros.
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Whether CentOS-installer can detect or not it doesn't matter, still you can install two distros and boot either from grub. You only need to do these:
1--Back up your Debian (running) partition and most important: BACKUP THE MBR using dd.
2--Make sure you have one free partition for the new distro (shrink and create if needed using Gparted, download this iso).
3--See that Grub is already installed in Debian. Upon installation of CentOs do not choose to install boot loader. Leave this for later configuration from the Debian.
4--After installing the new CentOS (that being there now without bootloader of its own yet) boot back to your Debian and from there open up a terminal and issue following commands:
Code:
/usr/sbin/grub-probe
(you will need wait until probing is completed. Then issue the next command)
/usr/sbin/grub-mkconfig
wait again until re-creation of grub.cfg is completed.
and lastly
Code:
/usr/sbin/grub-update
Reboot. If everything went well you will be offered an option to boot your new CentOS.
I have given in answer more than what your simple question sought for. Why? Because as a new Linux user you must at least learn to do the simple maintenance work --configuring Grub2 to multiboot new distro is just one of maintenance work. Try those instructions, if you want to learn the simple trick. Come back for issues.
Hope that helps. Good luck and enjoy.
m.m.
Install Two Linux Distros.
