Recently I installed CentOS 6.3 on a 64-bit laptop with a brand-new, completely blank 500GB hard drive. During the installation I told CentOS to use the entire hard disk.
I've now decided that I would like to have Ubuntu and CentOS installed alongside each other on this laptop. The staff of the CentOS forum suggested that I use resize2fs and lvresize to reduce the size of its filesystem and logical volume to 100GB (in CentOS, my filesystem is at /dev/mapper/vg_acer-lv_home ).
I've completed these steps, seemingly successfully. The CentOS folks indicate that it should now be possible to install another Linux OS "as it can also use LVM and share the space."
Can you give me any guidance on exactly how I should proceed with the Ubuntu 12.04 install CD to accomplish this? I assume that, once installed, both Ubuntu and CentOS will appear on the grub splash screen during normal bootup from the hard disk -- is that the way dual Linux OS's are usually installed?
If I could get a better or cleaner install by wiping the hard drive and starting over, that wouldn't be too much of an issue, as I really haven't customized CentOS much or stored any data on the system.