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[Discuss] --sandbox switch for Ubuntu's do-release-upgrade/update-manager



On Mon, Mar 9, 2015 at 11:50 AM, Tom Metro <tmetro+blu at gmail.com> wrote:

> I was looking to do a "dry run" test with do-release-upgrade to see if a
> system could successfully be upgraded from 12.04 to 14.04 after some
> changes had been made. (An earlier attempted failed to map packages from
> the old release to the new release.)
>
> do-release-upgrade doesn't have a dry run option, but does have a
> --sandbox option, which is tersely documented[1] as:
>
> "Test upgrade with a sandbox aufs overlay"
>

This doesn't answer your specific question, as I don't have experience
using that option.

However, the March 2015 Linux Magazine has an article [1] about
"Systemback" [2] which is designed to make it easy to create restore points
on Debian / Ubuntu / Linux Mint as well as test upgrades etc.

>From the website:

Systemback makes it easy to create backups of system and users
configuration files. In case of problems you can easily restore the
previous state of the system. There are extra features like system copying,
system installation and Live system creation.


[1]
http://www.linux-magazine.com/Issues/2015/172/Systemback/(language)/eng-US
[2] http://sourceforge.net/projects/systemback/ and
https://launchpad.net/systemback


Greg Rundlett
http://eQuality-Tech.com <http://equality-tech.com/>
http://freephile.org



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