On 12/10/2016 09:51 AM, Simon wrote:
> Hello everybody,
>
> Is there a way to rollback updates which corrupted a Qubes-OS system?
>
> I checked DNF history, but it seems to have been disabled / bypassed
> for all events following the OS installation back in September:
>
> --------------------- 8< ----------------------
>
> [user@dom0 ~]$ sudo dnf history
> ID     | Command line             | Date and time    | Action(s)     
> | Altered
> -------------------------------------------------------------------------------
>
>      5 | --exclude=qubes-template | 2016-09-19 21:10 | Install       
> |    1  <
>      4 | remove cairo-dock-plug-i | 2016-09-07 18:19 | Erase         
> |   19 >
>      3 | --exclude=qubes-template | 2016-09-07 14:34 | Install       
> |   14  <
>      2 | --exclude=qubes-template | 2016-09-07 14:24 | Install       
> |    5 ><
>      1 |                          | 2016-09-04 17:57 | Install       
> |  937 >E
>
> --------------------- 8< ----------------------
>
> Is there any equivalent feature allowing update rollback in Qubes-OS
> for the Dom0 domain?
>

The reliable way to do rollbacks is to:

1. Install Qubes OS on a btrfs file system.
2. Install the dnf / yum plugin that will snapshot your system right
before upgrades.

Slightly less convenient:

1. Migrate your Qubes OS to ZFS.
2. Manually ZFS snapshot your Qubes OS before dom0 / template upgrades.


-- 
    Rudd-O
    http://rudd-o.com/

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