Update Manager: impossibile aggiornare sistema

[mattb]

da una settimana ogni volta che cerco di aggiornare il sistema ottengo questo messaggio.

The action would require the installation of packages from not authenticated sources.

Details
ffmpeg libavcodec52 libavdevice52 libavfilter1 libavformat52 libavutil50 libdrm-dev libdrm-intel1 libdrm-nouveau1 libdrm-radeon1 libdrm2 libkms1 liborc-0.4-0 libpostproc51 libschroedinger-1.0-0 libswscale0 libva-x11-1 libva1 libvpx0

mi sembra abbastanza strano, visto che prima tutto funzionava alla perfezione e nel frattempo non ho installato nuove applicazioni (o almeno non mi pare, di sicuro comunque ffmpeg era già bello e installato da un pezzo). Qualcuno sa come si potrebbe risolvere?

[FioPos]

Vai in Amministrazione/Gestore Pacchetti/Impostazioni/Repository (o Sorgenti Software, con versioni precedenti).

Prova a vedere quali repo hai abilitati... ha proprio l'aria di un problema di quel genere, come se hai installato pacchetti da repo non standard (come Medibuntu) e poi gli hai disabilitati, rendendo impossibile l'aggiornamento

[vaillant]

Probabilmente manca qualche chiave di autenticazione. Apri un terminale e digita

Codice: Seleziona tutto

sudo apt-get update

e riporta qua il risultato

[mattb]

ecco l'output

matteo@ubuntu-HP-notebook:~$ sudo apt-get update
sudo: unable to resolve host ubuntu-HP-notebook
[sudo] password for matteo:
Hit http://archive.canonical.com maverick Release.gpg
Ign http://archive.canonical.com/ubuntu/ maverick/partner Translation-en     
Hit http://ppa.launchpad.net lucid Release.gpg                               
Ign http://ppa.launchpad.net/conkyhardcore/ppa/ubuntu/ lucid/main Translation-en
Ign http://ppa.launchpad.net/conkyhardcore/ppa/ubuntu/ lucid/main Translation-en_GB
Hit http://security.ubuntu.com maverick-security Release.gpg                 
Ign http://security.ubuntu.com/ubuntu/ maverick-security/main Translation-en 
Ign http://security.ubuntu.com/ubuntu/ maverick-security/main Translation-en_GB
Get:1 http://extras.ubuntu.com maverick Release.gpg [72B]                     
Ign http://extras.ubuntu.com/ubuntu/ maverick/main Translation-en             
Ign http://archive.canonical.com/ubuntu/ maverick/partner Translation-en_GB   
Ign http://archive.canonical.com/ubuntu/ maverick/partner Translation-en_US   
Hit http://archive.canonical.com maverick Release                             
Ign http://ppa.launchpad.net/conkyhardcore/ppa/ubuntu/ lucid/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg                             
Ign http://ppa.launchpad.net/am-monkeyd/nau ... pa/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/am-monkeyd/nau ... pa/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/am-monkeyd/nau ... pa/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg                             
Ign http://ppa.launchpad.net/awn-testing/ppa/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/awn-testing/ppa/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/awn-testing/ppa/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg                             
Ign http://extras.ubuntu.com/ubuntu/ maverick/main Translation-en_GB         
Ign http://extras.ubuntu.com/ubuntu/ maverick/main Translation-en_US         
Ign http://security.ubuntu.com/ubuntu/ maverick-security/main Translation-en_US
Ign http://security.ubuntu.com/ubuntu/ maverick-security/multiverse Translation-en
Ign http://security.ubuntu.com/ubuntu/ maverick-security/multiverse Translation-en_GB
Ign http://security.ubuntu.com/ubuntu/ maverick-security/multiverse Translation-en_US
Ign http://security.ubuntu.com/ubuntu/ maverick-security/restricted Translation-en
Hit http://extras.ubuntu.com maverick Release                                 
Ign http://security.ubuntu.com/ubuntu/ maverick-security/restricted Translation-en_GB
Ign http://security.ubuntu.com/ubuntu/ maverick-security/restricted Translation-en_US
Ign http://security.ubuntu.com/ubuntu/ maverick-security/universe Translation-en
Ign http://security.ubuntu.com/ubuntu/ maverick-security/universe Translation-en_GB
Ign http://security.ubuntu.com/ubuntu/ maverick-security/universe Translation-en_US
Hit http://linux.dropbox.com maverick Release.gpg                             
Ign http://linux.dropbox.com/ubuntu/ maverick/main Translation-en             
Ign http://ppa.launchpad.net/chuchiperriman/cloudsn/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/chuchiperriman/cloudsn/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/chuchiperriman/cloudsn/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg                             
Ign http://ppa.launchpad.net/crebs/ppa/ubuntu/ maverick/main Translation-en   
Ign http://ppa.launchpad.net/crebs/ppa/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/crebs/ppa/ubuntu/ maverick/main Translation-en_US
Hit http://security.ubuntu.com maverick-security Release                     
Hit http://archive.canonical.com maverick/partner amd64 Packages             
Hit http://ppa.launchpad.net maverick Release.gpg                             
Ign http://ppa.launchpad.net/danielrichter2 ... er/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/danielrichter2 ... er/ubuntu/ maverick/main Translation-en_GB
Hit http://extras.ubuntu.com maverick/main Sources                           
Hit http://security.ubuntu.com maverick-security/main Sources       
Hit http://it.archive.ubuntu.com maverick Release.gpg               
Ign http://linux.dropbox.com/ubuntu/ maverick/main Translation-en_GB
Ign http://linux.dropbox.com/ubuntu/ maverick/main Translation-en_US         
Hit http://linux.dropbox.com maverick Release                                 
Ign http://ppa.launchpad.net/danielrichter2 ... er/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg                             
Ign http://ppa.launchpad.net/docky-core/ppa/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/docky-core/ppa/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/docky-core/ppa/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg                             
Ign http://ppa.launchpad.net/docky-core/stable/ubuntu/ maverick/main Translation-en
Hit http://extras.ubuntu.com maverick/main amd64 Packages                     
Hit http://security.ubuntu.com maverick-security/restricted Sources           
Hit http://security.ubuntu.com maverick-security/universe Sources             
Hit http://security.ubuntu.com maverick-security/multiverse Sources           
Hit http://security.ubuntu.com maverick-security/main amd64 Packages         
Ign http://ppa.launchpad.net/docky-core/stable/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/docky-core/stable/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg                   
Ign http://it.archive.ubuntu.com/ubuntu/ maverick/main Translation-en         
Hit http://security.ubuntu.com maverick-security/restricted amd64 Packages   
Hit http://security.ubuntu.com maverick-security/universe amd64 Packages
Hit http://security.ubuntu.com maverick-security/multiverse amd64 Packages   
Hit http://linux.dropbox.com maverick/main amd64 Packages                     
Ign http://ppa.launchpad.net/ferramroberto/maverick/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/ferramroberto/maverick/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/ferramroberto/maverick/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg                             
Ign http://ppa.launchpad.net/ferramroberto/vlc/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/ferramroberto/vlc/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/ferramroberto/vlc/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg       
Ign http://ppa.launchpad.net/gloobus-dev/gl ... ew/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/gloobus-dev/gl ... ew/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/gloobus-dev/gl ... ew/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg
Ign http://ppa.launchpad.net/jd-team/jdownloader/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/jd-team/jdownloader/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/jd-team/jdownloader/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg
Ign http://ppa.launchpad.net/libreoffice/ppa/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/libreoffice/ppa/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/libreoffice/ppa/ubuntu/ maverick/main Translation-en_US
Get:2 http://ppa.launchpad.net maverick Release.gpg [316B]
Ign http://ppa.launchpad.net/n-muench/vlc/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/n-muench/vlc/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/n-muench/vlc/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg
Ign http://ppa.launchpad.net/pdfmod-team/ppa/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/pdfmod-team/ppa/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/pdfmod-team/ppa/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg
Ign http://ppa.launchpad.net/qgoogletransla ... le/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/qgoogletransla ... le/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/qgoogletransla ... le/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg
Ign http://ppa.launchpad.net/ruben-verweij/ ... or/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/ruben-verweij/ ... or/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/ruben-verweij/ ... or/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg
Ign http://ppa.launchpad.net/team-xbmc/ppa/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/team-xbmc/ppa/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/team-xbmc/ppa/ubuntu/ maverick/main Translation-en_US
Get:3 http://it.archive.ubuntu.com/ubuntu/ maverick/main Translation-en_GB [94.5kB]
Hit http://ppa.launchpad.net maverick Release.gpg             
Ign http://ppa.launchpad.net/tualatrix/ppa/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/tualatrix/ppa/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/tualatrix/ppa/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg
Ign http://ppa.launchpad.net/ubuntu-mozilla ... pa/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/ubuntu-mozilla ... pa/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/ubuntu-mozilla ... pa/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick Release.gpg             
Ign http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu/ maverick/main Translation-en_GB
Ign http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net lucid Release                     
Hit http://ppa.launchpad.net maverick Release
Hit http://ppa.launchpad.net maverick Release
Hit http://ppa.launchpad.net maverick Release                                 
Hit http://ppa.launchpad.net maverick Release                                 
Hit http://ppa.launchpad.net maverick Release                                 
Hit http://ppa.launchpad.net maverick Release                                 
Hit http://ppa.launchpad.net maverick Release                                 
Hit http://ppa.launchpad.net maverick Release                                 
Hit http://ppa.launchpad.net maverick Release                                 
Hit http://ppa.launchpad.net maverick Release                                 
Hit http://ppa.launchpad.net maverick Release                                 
Hit http://ppa.launchpad.net maverick Release                   
Get:4 http://ppa.launchpad.net maverick Release [9,754B]                     
Hit http://ppa.launchpad.net maverick Release                                 
Ign http://ppa.launchpad.net maverick Release                                 
Hit http://ppa.launchpad.net maverick Release                                 
Hit http://ppa.launchpad.net maverick Release                                 
Hit http://ppa.launchpad.net maverick Release                                 
Hit http://ppa.launchpad.net maverick Release                       
Hit http://ppa.launchpad.net maverick Release                       
Hit http://ppa.launchpad.net maverick Release                       
Hit http://ppa.launchpad.net lucid/main amd64 Packages
Hit http://ppa.launchpad.net maverick/main Sources
Hit http://ppa.launchpad.net maverick/main amd64 Packages
Hit http://ppa.launchpad.net maverick/main Sources
Hit http://ppa.launchpad.net maverick/main amd64 Packages           
Hit http://ppa.launchpad.net maverick/main Sources                 
Hit http://ppa.launchpad.net maverick/main amd64 Packages
Hit http://ppa.launchpad.net maverick/main Sources
Hit http://ppa.launchpad.net maverick/main amd64 Packages
Hit http://ppa.launchpad.net maverick/main Sources
Hit http://ppa.launchpad.net maverick/main amd64 Packages
Hit http://ppa.launchpad.net maverick/main Sources
Hit http://ppa.launchpad.net maverick/main amd64 Packages
Hit http://ppa.launchpad.net maverick/main Sources
Hit http://ppa.launchpad.net maverick/main amd64 Packages
Ign http://it.archive.ubuntu.com/ubuntu/ maverick/main Translation-en_US
Hit http://ppa.launchpad.net maverick/main Sources
Hit http://ppa.launchpad.net maverick/main amd64 Packages
Hit http://ppa.launchpad.net maverick/main Sources                           
Hit http://ppa.launchpad.net maverick/main amd64 Packages                     
Hit http://ppa.launchpad.net maverick/main Sources                           
Hit http://ppa.launchpad.net maverick/main amd64 Packages                     
Hit http://ppa.launchpad.net maverick/main Sources       
Hit http://ppa.launchpad.net maverick/main amd64 Packages
Hit http://ppa.launchpad.net maverick/main Sources
Hit http://ppa.launchpad.net maverick/main amd64 Packages
Ign http://ppa.launchpad.net maverick/main Sources/DiffIndex
Ign http://ppa.launchpad.net maverick/main amd64 Packages/DiffIndex
Hit http://ppa.launchpad.net maverick/main Sources
Hit http://ppa.launchpad.net maverick/main amd64 Packages
Ign http://it.archive.ubuntu.com/ubuntu/ maverick/multiverse Translation-en
Hit http://ppa.launchpad.net maverick/main Sources
Hit http://ppa.launchpad.net maverick/main amd64 Packages                     
Hit http://ppa.launchpad.net maverick/main Sources                           
Hit http://ppa.launchpad.net maverick/main amd64 Packages                     
Hit http://ppa.launchpad.net maverick/main Sources       
Hit http://ppa.launchpad.net maverick/main amd64 Packages                     
Hit http://ppa.launchpad.net maverick/main amd64 Packages                     
Hit http://ppa.launchpad.net maverick/main Sources
Hit http://ppa.launchpad.net maverick/main amd64 Packages
Hit http://ppa.launchpad.net maverick/main Sources
Hit http://ppa.launchpad.net maverick/main amd64 Packages
Get:5 http://it.archive.ubuntu.com/ubuntu/ maverick/multiverse Translation-en_GB [91.2kB]
Hit http://ppa.launchpad.net maverick/main Sources             
Hit http://ppa.launchpad.net maverick/main amd64 Packages     
Ign http://it.archive.ubuntu.com/ubuntu/ maverick/multiverse Translation-en_US
Ign http://it.archive.ubuntu.com/ubuntu/ maverick/restricted Translation-en
Get:6 http://it.archive.ubuntu.com/ubuntu/ maverick/restricted Translation-en_GB [2,332B]
Ign http://it.archive.ubuntu.com/ubuntu/ maverick/restricted Translation-en_US
Ign http://it.archive.ubuntu.com/ubuntu/ maverick/universe Translation-en
Get:7 http://it.archive.ubuntu.com/ubuntu/ maverick/universe Translation-en_GB [32.0kB]
Ign http://it.archive.ubuntu.com/ubuntu/ maverick/universe Translation-en_US 
Get:8 http://it.archive.ubuntu.com maverick-updates Release.gpg [198B]
Ign http://it.archive.ubuntu.com/ubuntu/ maverick-updates/main Translation-en
Ign http://it.archive.ubuntu.com/ubuntu/ maverick-updates/main Translation-en_GB
Ign http://it.archive.ubuntu.com/ubuntu/ maverick-updates/main Translation-en_US
Ign http://it.archive.ubuntu.com/ubuntu/ maverick-updates/multiverse Translation-en
Ign http://it.archive.ubuntu.com/ubuntu/ maverick-updates/multiverse Translation-en_GB
Ign http://it.archive.ubuntu.com/ubuntu/ maverick-updates/multiverse Translation-en_US
Ign http://it.archive.ubuntu.com/ubuntu/ maverick-updates/restricted Translation-en
Ign http://it.archive.ubuntu.com/ubuntu/ maverick-updates/restricted Translation-en_GB
Ign http://it.archive.ubuntu.com/ubuntu/ maverick-updates/restricted Translation-en_US
Ign http://it.archive.ubuntu.com/ubuntu/ maverick-updates/universe Translation-en
Ign http://it.archive.ubuntu.com/ubuntu/ maverick-updates/universe Translation-en_GB
Ign http://it.archive.ubuntu.com/ubuntu/ maverick-updates/universe Translation-en_US
Hit http://it.archive.ubuntu.com maverick Release                             
Get:9 http://it.archive.ubuntu.com maverick-updates Release [31.4kB]         
Hit http://it.archive.ubuntu.com maverick/main Sources                       
Hit http://it.archive.ubuntu.com maverick/restricted Sources                 
Hit http://it.archive.ubuntu.com maverick/universe Sources                                                                                                           
Hit http://it.archive.ubuntu.com maverick/multiverse Sources                                                                                                         
Hit http://it.archive.ubuntu.com maverick/main amd64 Packages                                                                                                         
Hit http://it.archive.ubuntu.com maverick/restricted amd64 Packages                                                                                                   
Hit http://it.archive.ubuntu.com maverick/universe amd64 Packages                                                                                                     
Hit http://it.archive.ubuntu.com maverick/multiverse amd64 Packages                                                                                                   
Get:10 http://it.archive.ubuntu.com maverick-updates/main Sources [93.4kB]                                                                                           
Get:11 http://it.archive.ubuntu.com maverick-updates/restricted Sources [778B]                                                                                       
Get:12 http://it.archive.ubuntu.com maverick-updates/universe Sources [38.8kB]                                                                                       
Get:13 http://it.archive.ubuntu.com maverick-updates/multiverse Sources [1,496B]                                                                                     
Get:14 http://it.archive.ubuntu.com maverick-updates/main amd64 Packages [256kB]                                                                                     
Get:15 http://it.archive.ubuntu.com maverick-updates/restricted amd64 Packages [1,802B]                                                                               
Get:16 http://it.archive.ubuntu.com maverick-updates/universe amd64 Packages [112kB]                                                                                 
Get:17 http://it.archive.ubuntu.com maverick-updates/multiverse amd64 Packages [2,698B]                                                                               
Fetched 759kB in 14s (51.3kB/s)                                                                                                                                       
Reading package lists... Done
W: GPG error: http://ppa.launchpad.net maverick Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A6804EA8EAE0D85C
W: Duplicate sources.list entry http://archive.canonical.com/ubuntu/ maverick/partner amd64 Packages (/var/lib/apt/lists/archive.canonical.com_ubuntu_dists_maverick_partner_binary-amd64_Packages)

effettivamente c'è una chiave mancante, ma a quale repository si riferisce?

[vaillant]

Si riferisce ad un PPA. Apri un terminale e digita

Codice: Seleziona tutto

sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com EAE0D85C

ora la chiave verrà importata ma c'è un altro problema, ti viene segnalata una doppia voce nel sources.list. Quindi posta anche

Codice: Seleziona tutto

cat /etc/apt/sources.list

[mattb]

ok, ho inserito la chiave. per quanto riguarda le fonti, questo è l'output:

Codice: Seleziona tutto

matteo@ubuntu-HP-notebook:~$ cat /etc/apt/sources.list
# deb cdrom:[Ubuntu 10.10 _Maverick Meerkat_ - Release amd64 (20101007)]/ maverick main restricted
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.

deb http://it.archive.ubuntu.com/ubuntu/ maverick main restricted
deb-src http://it.archive.ubuntu.com/ubuntu/ maverick main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://it.archive.ubuntu.com/ubuntu/ maverick-updates main restricted
deb-src http://it.archive.ubuntu.com/ubuntu/ maverick-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://it.archive.ubuntu.com/ubuntu/ maverick universe
deb-src http://it.archive.ubuntu.com/ubuntu/ maverick universe
deb http://it.archive.ubuntu.com/ubuntu/ maverick-updates universe
deb-src http://it.archive.ubuntu.com/ubuntu/ maverick-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 
## team, and may not be under a free licence. Please satisfy yourself as to 
## your rights to use the software. Also, please note that software in 
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://it.archive.ubuntu.com/ubuntu/ maverick multiverse
deb-src http://it.archive.ubuntu.com/ubuntu/ maverick multiverse
deb http://it.archive.ubuntu.com/ubuntu/ maverick-updates multiverse
deb-src http://it.archive.ubuntu.com/ubuntu/ maverick-updates multiverse

## Uncomment the following two lines to add software from the 'backports'
## repository.
## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
# deb http://it.archive.ubuntu.com/ubuntu/ maverick-backports main restricted universe multiverse
# deb-src http://it.archive.ubuntu.com/ubuntu/ maverick-backports main restricted universe multiverse

## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
deb http://archive.canonical.com/ubuntu maverick partner
# deb-src http://archive.canonical.com/ubuntu maverick partner

## This software is not part of Ubuntu, but is offered by third-party
## developers who want to ship their latest software.
deb http://extras.ubuntu.com/ubuntu maverick main
deb-src http://extras.ubuntu.com/ubuntu maverick main

deb http://security.ubuntu.com/ubuntu maverick-security main restricted
deb-src http://security.ubuntu.com/ubuntu maverick-security main restricted
deb http://security.ubuntu.com/ubuntu maverick-security universe
deb-src http://security.ubuntu.com/ubuntu maverick-security universe
deb http://security.ubuntu.com/ubuntu maverick-security multiverse
deb-src http://security.ubuntu.com/ubuntu maverick-security multiverse
deb http://ppa.launchpad.net/conkyhardcore/ppa/ubuntu lucid main

per il momento comunque sembra che stia scaricando gli aggiornamenti, quindi la chiave ha fatto il suo lavoro. grazie!  (b2b)