[Gllug] Bootable USB backup like OS X dmg?

[Dennis Furey]

On Tue, May 24, 2011 at 04:41:45PM +0100, Steve Parker wrote:
> On 24/05/11 16:38, gvim wrote:
> >This is not what I'm looking for. I want to make an externally
> >bootable disk image of an installed Linux system, not a generic
> >USB-bootable Linux distro. Something like SuperDuper! on Mac OS X.
> Your device paths etc are likely to be invalid if you boot one
> server's image on another server

In that case, I'd suggest you start by making a generic image just to
get something that boots, and then customizing it by copying the root
filesystem from the installed system over to it excluding the /boot,
/dev, /proc, /sys, /mnt, and /tmp hierarchies. See rsync(1),
especially the --exclude option, and try --dry-run before doing it for
real.
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