installing centos dual boot with ubuntu


 
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Old 11-11-2010
installing centos dual boot with ubuntu

I have installed ubuntu desktop on my hard drive and I gave it all the hard drive.
Now I want to repatriate the hard disk and give half of it to anther ext4.
How do I do that?

Can I do it fron with in the ubuntu?

Second when I install the centos, how can I make to recognize the ubuntu and to create dual boot between the two?

---------
SOLVED:
I used Gparted.
And sudo update-grub from the ubuntu made it to recognize the centos.

Last edited by programAngel; 11-11-2010 at 10:51 AM..
 
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WREN(3) 						     Library Functions Manual							   WREN(3)

NAME
wren, ata - hard disk interface SYNOPSIS
bind #H[drive] /dev bind #w[target[.lun]] /dev /dev/hd0disk /dev/hd0partition /dev/sd0disk /dev/sd0partition ... DESCRIPTION
The hard disk interfaces (wren, #w, is a SCSI disk; ata, #H, is an IDE or ATA disk) serve a one-level directory giving access to the hard disk partitions. The parameter to attach defines the numerical SCSI target and logical unit number or the IDE drive number to access. Both default to zero. Each partition name is prefixed by hd and the numeric drive identifier. The partition always exists and covers the entire disk. The size of each partition as reported by stat(2) is the number of bytes in the partition, so the size of is the size of the entire disk. The partition also always exists; it is the last block on the disk for SCSI, second to last for IDE. If it contains valid partition data, those partitions will be visible as well. Every time the device is bound, the partitions are updated to reflect any changes in the parti- tion file. The format of the partition file is the string plan9 partitions on a line, followed by partition specifications, one per line, consisting of a name and textual strings for the block start and limit for each partition on the disk. The program prep(8) writes the partition table for the disk; its use is preferred to writing it by hand. SEE ALSO
prep(8), scsi(3) SOURCE
/sys/src/9/port/devwren.c /sys/src/9/pc/devata.c WREN(3)