User boxen only? Development system or server?
Each includes a little variation, but KitePilot wins the award on this one.
Clear as mud?
On Wed, Feb 17, 2010 at 5:51 PM,
kitepilot@kitepilot.com <
kitepilot@kitepilot.com> wrote:
> Option 3 will not work if the machine is running, add I think dd is a can
> of
> worms...
>
> I have done this some 921752163 times, so here is my cookbook:
> 1.- Boot both puters with a CD, Ubuntu install will work, but you'll have
> to
> "apt-get install ssh" in at least one of them, and set a password for root.
> For the sake of example, I'll assume that both computers are booted from
> CD,
> that both are running SSH and that you are comfortably sitting at your desk
> with one xterm open in each one. For the sake of example also, I'll also
> assume that your src puter's HD has only one filesystem.
>
> 2.- In SRC puter do "mount -ext? -o ro /dev/sda? /mnt"
> (Make RO as safety net...)
>
> 3.- In DST puter do:
> mke2fs -Text4 -U USE-UUID-FROM-SRCputer-HERE /dev/sda1
> "mount -text? /dev/sda? /mnt"
>
> 4.- In SRC puter do:
> rsync -XHav --checksum --super /mnt/ root@DSTputer:/mnt
> Go get a pizza...
>
> 5.- Reinstall grub, if you used the -U option, the UUIDs are OK and you
> don't have to tinker with menu.lst.
>
> 7.- Verify that /etc/fstab matches your new parameters, including swap.
> Either assign the same UUID to the swap partition or update /etc/fstab.
>
> 8.- Reboot your new puter and enjoy the ride... :)
>
> There are only 245326532456 +1 variations to this recipe, but it has worked
> flawlessly for me for years.
> If you want to change the hostname, it may be more involving than just
> changing /etc/hostname, but I won't go there...
> YMMV
> ET
>
> PS: If you have any question you will get any answer... :)
>
>
>
>
>
> Kevin Fries writes:
>
> > Tricky question not because it is hard, but because there are multiple
> answers depending on what you are trying to achieve.
> >
> > Option 1 - backup the installed packages, etc, var, home then have Ubuntu
> simply install all your packages again (google for get-selections). This
> lets you move and upgrade at the same time (single core to multicore, etc)
> >
> > Option 2 - create a dd disk image of each of your partitions to a
> removable hard drive. Then recreate your partition scheme on the new
> machine (sfdisk makes this very easy), then restore you partitions. This
> will essentially clone your existing machine, exactly as before. Also great
> for tuning a standalone into a VM
> >
> > Option 3 - tar your system, then untar it on the new machine. Quite
> simple, but effective. You won't get new packages like you would in opion
> 1, but you can change your partition sizes unlike option 2.
> >
> > Linux is quite flexible, with a little more info, we could probably help
> you decide the best coarse of action.
> >
> > Good luck
> > Kevin
> >
> > Sent from my Nokia phone
> > -----Original Message-----
> > From: Stephen
> > Sent: 02/17/2010 4:09:44 PM
> > Subject: Moving VM hosts with ubuntu install
> >
> > What is the best suggestion for moving an Ubuntu installation?
> >
> > I'm guessing a form of Backup and restore, but this oddly enough is
> > not something i have done before in Linux.
> >
> > anyone have some place i should start?
> >
> > --
> > A mouse trap, placed on top of your alarm clock, will prevent you from
> > rolling over and going back to sleep after you hit the snooze button.
> >
> > Stephen
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