(Lettura del database... 
(Lettura del database... 5%
(Lettura del database... 10%
(Lettura del database... 15%
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(Lettura del database... 25%
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(Lettura del database... 100%
(Lettura del database... 131352 file e directory attualmente installati.)
Preparativi per sostituire tzdata v.2011f-1 (utilizzando .../tzdata_2011g-0ubuntu0.11.04_all.deb)...
Estrazione del sostituto di tzdata...
Configurazione di tzdata (2011g-0ubuntu0.11.04)...
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68.
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68.
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68.
Use of uninitialized value $ret in string eq at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 109.
dpkg: errore nell'elaborare tzdata (--configure):
 il sottoprocesso vecchio script di post-installation ha restituito lo stato di errore 128