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I've run into various problems because my Ubuntu distro (which is the newest Ubuntu GNOME 13.10 distro) thinks it's using Ubuntu 14.04. To check this, I entered:

$ lsb_release -a

This got me:

No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu Trusty Tahr (development branch)
Release:    14.04
Codename:   trusty

However, this is NOT the Ubuntu version I am (or want to be, as for now) running.

One of the problems I'm running into is the fact that software-properties-gtk is crashing when I try to start it, and I get the error:

Sorry, Ubuntu 14.04 experienced an internal error

When I try to run software-properties-gtk in my terminal, I get:

aptsources.distro.NoDistroTemplateException: Error: could not find a distribution template for Ubuntu/trusty

which is strange. Any thoughts on the matter would be greatly appreciated.

Braiam
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Han
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2 Answers2

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The only way I see is to reinstall the system. Ubuntu doesn't support downgrades between versions of Ubuntu (downgrade of individual packages, yes) the same way Debian doesn't. You must do a backup of your system and reinstall everything again.

Braiam
  • 69,112
0

I had the same problem. Trying to install kali sources to ubuntu 14.04, the "lsb-release" file was modified.

I just :

gksudo gedit /etc/lsb-release

and paste the original distribution information you are using, in my case Ubuntu 14.04

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04 LTS

I hope this help you.

muru
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T e l e c o m
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