On Thu, Feb 24, 2011 at 16:04, Karl E. Jorgensen <k...@fizzback.net> wrote: > I would recommend rsync instead - simply because if things go wrong during the > copy, it can pick up from where it left, rather than restarting from scratch: > > rsync -av --numeric-ids / root@otherhost:/ > > --numeric-ids is to ensure it uses the _numeric_ user/group IDS on the other > side. You may find that some users have differnt IDs between machines - e.g. > IDs that are added by packages (e.g. mysql and stuff). > >
Thanks, I actually did once run into the problem of uids on a Fedora box being different from those on a Debian box. >> Can I actually use dd over the network, maybe by piping to scp >> somehow? What is the canonical way of doing this? >> Thanks! > > Yes - if the disks are the same size, it's a no-brainer. My personal > preference > for this is to use "nc" - which is lightweight, but does not do encryption. > > On the "source" machine, send it out over the network > sourcebox:~# dd if=/dev/sda | nc -l -p 9999 > > and on the destination box - which should be running a "live CD" or similar, > as > blasting over a disk which is in use leads to kernel confusion and human > madness: > destbox:~# nc $IP_OF_OTHER_BOX 9999 | dd of=/dev/sda > > You may want to use gzip to trade off CPU usage for better network bandwith: > > sourcebox:~# dd if=/dev/sda | gzip | nc -l -p 9999 > destbox:~# nc $IP_OF_OTHER_BOX 9999 | gunzip | dd of=/dev/sda > > Hope this helps Thanks Karl! -- Dotan Cohen http://gibberish.co.il http://what-is-what.com -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/AANLkTinvzX50bVQAi5tDWvPfXUsf=YJQ9=3zwj=nd...@mail.gmail.com
