Upgrade to 17.04 gnome-flashback issue

[Oliver Grawert]

hi,
Am Samstag, den 28.10.2017, 22:50 -0700 schrieb NoOp:
> ...
> Sorry, I'm not in the mood to entertain you further on whether my
> adding
> information about the PPAs was correct or not. If/when you care to
> offer
> valid suggestions regarding my original question maybe we'll
> continue...
> until then I'll consider this discussion finished.
> 

just a side-note, to properly get rid of PPAs you want:

sudo apt install ppa-purge
sudo ppa-purge -purge <nameofppa>
sudo apt update # (to update the package lists)

though technically update-manager or do-release-upgrade should do
exactly the same to ensure system integrity after the upgrade.

you never know what a PPA owner did ... i.e. he could have a patched
system lib in there that has a higher version than the target system
you are upgrading to, so that lib would never be upgraded and make the
system unstable.

if update-manager/do-release-upgrade didn't remove the PPAs and PPA
packages, i think there is a bug somewhere in the update-manager code
...

ciao
	oli
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