Beginner's question: Are the Kubuntu-PPA's being in use?

[Alan Dacey (grokit)]

You have them 'active'. If they are present in /etc/apt/sources.list.d on a Debian distro (like Kubuntu) then apt-get/apt/dpkg/muon/whatever will be looking for updates in those PPA's. If you really, really want to make sure you can look at an installed package for the version then look in the official Ubuntu repository to make sure they are different.
Example:
Let's check Kmail in a terminal and see what version I have installed (running Kubuntu 14.04 LTS)
	me at mycomputer:~$ aptitude show kmail
	Package: kmail                           
	New: yes
	State: installed
	Automatically installed: no
	*Version: 4:4.14.3-0ubuntu1~ubuntu14.04~ppa3 *<----------look here
	Priority: optional
	Section: mail

I have version 4.14.3 from the ppa installed.  You can use apt-cache show kmail instead of aptitude but I really like aptitude for some things so that is what you get   :-)

If your version doesn't have a "ppa" at the end or if you want to explore what the official repositories have, this is one way to do it. 
You can use wget or a browser to get the file http://us.archive.ubuntu.com/ubuntu/dists/trusty/universe/binary-amd64/Packages.gz and uncompress it. Open it up and search for Kmail using the search term "Package: kmail" (no quotes obviously).  The entry for Kmail starts like this:
	Package: kmail
	Priority: optional
	Section: universe/mail
	Installed-Size: 5447
	Maintainer: Kubuntu Developers <kubuntu-devel at lists.ubuntu.com>
	Original-Maintainer: Debian Qt/KDE Maintainers <debian-qt-kde at lists.debian.org>
	Architecture: amd64
	Source: kdepim
	*Version: 4:4.13.0-0ubuntu1 *<----------look here

See?  The official Ubuntu repositories has version 4.13.0.  Easy-peasy once you know how.

--
Alan
	...

On Saturday, December 12, 2015 8:05:11 PM Volker Wysk wrote:
> Hi!
> 
> I'm new to (K)Ubuntu (but not new to Linux at all). I've installed the 
> Kubuntu-PPAs with these commands:
> 
> apt-add-repository ppa:kubuntu-ppa
> apt-add-repository ppa:kubuntu-ppa/backports
> 
> This has installed kubuntu-ppa-ubuntu-backports-wily.list and kubuntu-ppa-
> ubuntu-ppa-wily.list in /etc/apt/sources.list.d.
> 
> But they don't seem to be in effect to me. There is no line with "kubuntu" in 
> it, in the output of "apt-get update". And KDE doesn't seem to have gotten 
> updated (doing apt-get dist-upgrade).
> 
> I've studied the following articles:
> 
> https://wiki.ubuntuusers.de/Paketquellen_freischalten
> https://wiki.ubuntuusers.de/Paketquellen_freischalten/PPA
> 
> I've also tried the muon-updater / software-properties-kde commands, which 
> seem to indicate that everything is working.
> 
> So, how do I check if the Kubuntu-PPA's are in effect?
> 
> Thanks,
> V.W.
> 
> 
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