Ubuntu Pocket Guide

[Shannon McMackin]

Franz Waldmüller wrote:
> Dirk Freitag schrieb:
>> On Tue, 12 May 2009, Karl F. Larsen wrote:
>>
>>>    I got the pdf version of this paper and it is very good! It should
>>> be a tell the new Ubuntu user to get it. The first 40 pages cover
>>> loading and getting WiFi working. The rest covers use of Ubuntu.
> I just read some section of this guide.
> What I miss is an explicit waring of adding external repositories.
> 
> And this sentence upsets me:
> "....It’s true that any software packages you manually
> download and install might contain viruses, but it’s very unlikely."
> 
> Downloading and installing like on Windows. Yes it works but be careful. 
> Every software installation can destroy your entire system(!). Every 
> software downloaded from and untrusted and unsigned source is dangerous.
> 
> check this story and the wallpaper below:
> http://soijabanaani.net/tmp/the_trevino_story
> http://www.flickr.com/photos/trevi55/296804891/
> 
> Recommendations to feel like in heaven just because using linux will 
> damage it reputation.
> Franz
> 
> 
> 
Notice it says "unsigned".

All PPAs and repos I've seen are signed and require PGP keys.  I think 
they're specifying that any rogue software that you are unsure about the 
source puts you at risk.