there's no other way to do it for what i know since partimage won't run on 64bits.
there's another option:
if you need a / backup take a disk (also an usb one) go to a shell and then do a cp -a / /mnt/disk (assuming that the disk is mounted into /mnt/disk) and after some time which depends on the stuff installed you'll have a mirror version of / on the other disk. if you want it to be compressed, then do a tar on the mounted disk and you'll have a compressed image of your / partition.
then when you want to to copy it from the backup disk to the running disk do again: cp -a and you'll have the / running as it was when you made the backup. if you experience problems with running x then do
chmod 777 /home -R && chmod 777 /tmp -r && chmod 777 /var/tmp/kdecache-[your username] and then x would run again. the problem is that sometimes when doing the cp -a you can experience problems with the permissions on these directories when not using root.
2007/11/11, Herbert Laubner <laubner@gmx.net>:
Am Sonntag, 11. November 2007 10:01:07 schrieb Beso:
> it won't work on amd64. this is one program that cannot be run with amd64
> arch. you have to use it on a livecd with 32bit arch. here's one here:
> http://www.sysresccd.org/Main_Page
> download and burn the cd then boot with it and you can use partimage.
>
I used the Knoppix 5.2 Live Cd, it is just no very conviniet to do it that
way.
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dott. ing. beso