[mythtv-users] 'Rollbackable' Ubuntu upgrade to 0.21

[John Veness]

I run packaged versions of MythTV on Ubuntu 7.10. I'm currently on 
0.20.2 from gutsy-updates, and am thinking of upgrading to 0.21 from 
gutsy-backports.

Being the cautious sort, and because I only have the single production 
box, I'd like to be able to roll back the upgrade if it doesn't work 
out. I know how to backup and restore the database, but I'm unsure about 
the packages.

How would I uninstall the new packages from gutsy-backports and 
reinstall the old ones from gutsy-updates, either via the command-line 
or point-and-click in Synaptic?

Cheers,

John

-- 
John Veness, MythTV user, UK, DVB-T