Local or Obsolete packages and upgrading Ubuntu

[Cybe R. Wizard]

On Fri, 22 Feb 2013 15:46:59 +0000
Liam Proven <lproven at gmail.com> wrote:

> On 22 February 2013 14:01, Colin Law <clanlaw at googlemail.com> wrote:
> > I am preparing to upgrade my Quantal system to Raring and following
> > the suggestions in [1] I have opened Synaptic Package Manager,
> > clicked on Status and selected Installed (local or obsolete) and
> > expected to see a short list of stuff I had installed from
> > downloaded debs etc. Instead I see a long list of packages
> > including, for example libcamel-1.2-33, libcamel-1.2-39,
> > libcupsdriver1, libpoppler26, proj, ubuntuone-installer,
> > ubuntuone-control-panel-common and many more.
> >
> > Does anyone know how these might have got there and whether I can
> > safely remove them?
> >
> > Colin
> >
> > [1] https://help.ubuntu.com/community/CleanUpgrade
> 
> If you really want to go to an unfinished beta, I'd strongly suggest a
> clean install into a new partition and just share your existing /home
> partition. That's what I do. You keep all your desktop customisations
> but you do not endanger your current system.

Being paranoid, I copy /home over.
> 
> However, if you are determined to do an upgrade, then there is little
> you can do to remove extras. The simplest way is:
> 
> sudo -s
> apt-get update
> apt-get dist-upgrade -y
> apt-get clean
> apt-get autoclean
> apt-get autoremove -y
> apt-get purge
> 
> This makes sure you're up to date, empties the package caches, removes
> any packages you have that nothing else depends upon, and removes any
> lingering config files from no-longer-installed packages.
> 
I'd further suggest a BleachBit session.

Cybe R. Wizard
-- 
For security's sake all Windows should be barred.
	Cybe R. Wizard