On 07/14/17 09:00, Raimo Niskanen wrote:
> Hi misc@.
>
> I wonder how to restore from an /altroot backup?
>
> (I missed that pax -r happily writes absolute paths and wrote over
> /etc from a backup file of another machine)
>
>
> Is it to dd(1) back all but the first 16 blocks - the reverse of what
> daily(8) does? Is that all that is needed?
don't...
> (I missed to skip the first 16 blocks, and I used the block devices instead
> of the character devices. The result was a vegetable, and would like to
> understand which of my mistakes that were fatal.)
yeah, that's why. It CAN work, but ... it is the hard way and it's
error prone.
better way: let's say sd1k is your /altroot...
# mount /dev/sd1k /altroot
now...it's just a normal file system on a normal place. Copy out
whatever you want. umount it when done, please.
Nick.
