Try adding something like this to fstab.

/dev/sdb1 /home ext4 defaults 1 1

The new home directory that's under / will still be there, but the 
system won't see it.  Instead it will see the partition mentioned 
above.  Be sure to replace /dev/sdb1 with the partition on the disc that 
contains the home directory you want.  Also make sure the right 
filesystem is listed.  Don't put in ext4 if you're using reiserfs.

On 01/09/2013 02:02 PM, joe@actionline.com wrote:
> Just installed kubuntu 12.10 (root partition only) to replace 12.04 on one
> of my computers, and made sure to preserve (not write over) the
> pre-existing /home partition. But now I have a new /home directory inside
> the root (/) directory, and the original /home directory is not mounted.
> fdisk -l shows this:
>
> Disk /dev/sda: 100.0 GB, 100030242816 bytes
> 255 heads, 63 sectors/track, 12161 cylinders, total 195371568 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x282d282d
>
>     Device Boot      Start         End      Blocks   Id  System
> /dev/sda1   *        2048      206847      102400    7  HPFS/NTFS/exFAT
> /dev/sda2          206848    61794303    30793728    7  HPFS/NTFS/exFAT
> /dev/sda3        61796350   195371007    66787329    5  Extended
> /dev/sda5        61796352    67848191     3025920   82  Linux swap / Solaris
> /dev/sda6        67850240    87379967     9764864   83  Linux
> /dev/sda7        87382016   195371007    53994496   83  Linux
>
> So, what is the best procedure to replace the newly created /home
> directory and replace it with the previous (original) /home directory?
> Both are ext4 and both have the same owner and group names.
>
> Can I just add /dev/sda7 (the previous /home) to /etc/fstab (contents
> shown below) and will doing that delete/replace the new /home directory?
> Or are additional steps needed?
>
> joe@T60: cat /etc/fstab
> # /etc/fstab: static file system information.
> # / was on /dev/sda6 during installation
> UUID=864ca0e6-f82c-4394-b497-012083b40115 /      ext4   errors=remount-ro
> 0   1
> # swap was on /dev/sda5 during installation
> UUID=dc56632c-3c80-4f8e-87e1-2a1d65ddc281 none   swap   sw
> 0   0
>
> FWIW, 'df' currently shows this:
> Filesystem     1K-blocks    Used Available Use% Mounted on
> /dev/sda6        9611492 3895244   5228008  43% /
> udev             1540144       4   1540140   1% /dev
> tmpfs             620500     820    619680   1% /run
> none                5120       0      5120   0% /run/lock
> none             1551244      80   1551164   1% /run/shm
> none              102400       8    102392   1% /run/user
>
> Also, what is the procedure to mount /dev/sda2 (the windows7 partition) so
> I can access certain files on that partition.
>
>
>
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