[Qgis-user] QGIS install fail on Ubuntu 12.04

[Alex Mandel]

On 03/18/2013 08:58 AM, Lee wrote:
> I had QGIS working on 12.04 this morning. Unfortunately, I did not have the
> option to "fetch python plugins." I played around with a few different
> things trying to get it to work to no success. After some reading, it
> appeared I needed the python-qgis package. I tried to install this package,
> but missing dependencies prevented installation.
>
> Instead, I completely purged qgis and attempted to reinstall through
> terminal as outlined here:
> http://hub.qgis.org/projects/quantum-gis/wiki/Download#26-Ubuntu.
>
> At this time, I'm receiving the following errors.
>
> *Some packages could not be installed. This may mean that you have
> requested an impossible situation or if you are using the unstable
> distribution that some required packages have not yet been created
> or been moved out of Incoming.
> The following information may help to resolve the situation:
>
> The following packages have unmet dependencies:
>   qgis : Depends: qgis-providers (= 1.8.0-1~precise3) but
> 1.9.0+git20130316+5d42734~precise1 is to be installed
>          Depends: qgis-common (= 1.8.0-1~precise3) but
> 1.9.0+git20130316+5d42734~precise1 is to be installed
>          Recommends: qgis-plugin-globe but it is not going to be installed
>          Recommends: qgis-plugin-grass but it is not going to be installed
>          Recommends: python-qgis but it is not going to be installed
> E: Unable to correct problems, you have held broken packages.*
>
> I was able to install QGIS (with python plugins) on a fresh 12.04 install
> on my laptop last night with no problems. I'm not sure what's causing the
> issue here.
>
> Please advise.
>
> --
> All the best,
> Lee
> ISA Certified Arborist MI-4148A
> Registered Forester #46043

Sounds like you have conflicting 3rd repositories enabled. Double check 
what repos you have besides the default ubuntu. Make sure you're not 
using Backports for the whole system.

Update, then try again.

Thanks,
Alex