More failed verification on some packages

Anthony David adavid at
Thu May 12 14:03:04 UTC 2005

On 12/05/2005, at 11:37 PM, Ingo Lantschner wrote:

> Anthony David wrote:
>> WARNING: The following packages cannot be authenticated!
> IMHO "authentication" in this context means to verify the 
> package-creator. This generally needs the public-key of this person to 
> be installed on the system. I know this game from rpm, but have not 
> done it on deb/apt. Propably you should look in "man apt" or "man deb" 
> for authentication or key-management.
> Pls. let us know if it helped and how you did it.

Thanks Ingo

The reason I think it is external to my system is the fact (sorry I was 
not explicit) that a number of packages did not report the WARNING.

from my original message:-

apache2-common apache2-doc apache2-mpm-prefork apache2-utils bugzilla
bugzilla-doc libapr0 libxine1 and tcpdump passed the authentication 


libsmbclient python-xdg samba samba-common smbclient  generated a 

Here is my stored public keys:-

adavid at ubuntu:~$ apt-key list
pub  1024D/437D05B5 2004-09-12 Ubuntu Archive Automatic Signing Key 
<ftpmaster at>
sub  2048g/79164387 2004-09-12

pub  1024D/FBB75451 2004-12-30 Ubuntu CD Image Automatic Signing Key 
<cdimage at>

And here are my sources.list

adavid at ubuntu:~$ grep -v ^\# /etc/apt/sources.list

deb hoary-backports main 
universe multiverse restricted
  deb hoary-extras main 
universe multiverse restricted
deb hoary main restricted
deb-src hoary main restricted

deb hoary-updates main restricted
deb-src hoary-updates main 

deb hoary universe multiverse
deb-src hoary universe multiverse

deb hoary-security main restricted
deb-src hoary-security main restricted

deb hoary-security universe
deb-src hoary-security universe



More information about the ubuntu-users mailing list