Upgrading to Ubuntu 20, *how* to back up?

[Peter Teuben]

another trick you could use if you have / and /home separate, and the /
partition is smallish and easily fit in /home, to use dd to make an image
of /  on /home, and then if you need files, mount that using a loop back
device.

e.g. something like

dd if=/dev/sda1 of=/home/sda1.img
mount -o loop sda1.img /mnt/sda1

test that if it looks good enough.  Now you can put a new install in
/dev/sda1

peter

On Sat, Apr 25, 2020 at 9:11 AM Bo Berglund <bo.berglund at gmail.com> wrote:

> I have seen this disclaimer on so many pages describing the upgrade to
> a new Ubuntu version:
>
> For example on this page:
>
> https://ubuntu.com/tutorials/tutorial-upgrading-ubuntu-desktop#1-before-you-start
>
> they write:
>
> "We recommend that you backup your existing Ubuntu installation before
> you update your computer."
>
> But nowhere do they mention *HOW* to do the backup!
>
> It drives me nuts when they all assume that the general user knows how
> to back up his entire system.
> Why can you not at least put a link on the page targeting a webpage
> describing how to accomplish the backup?
>
> As it is now I believe the majority (like me) do not know how to go
> about this and just skip the backup step.
>
> So please:
> Where is a sensible easy-to-follow description on *how* to back up
> prior to a system upgrade?
>
>
> --
> Bo Berglund
> Developer in Sweden
>
>
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