Ainda tentando resolver o problema citado acima, tentei instalar o aptitude pela central de programas do ubuntu. Também não obtive sucesso, no entanto, consegui extrair uma série de informações, que, para um usuário expert pode ser útil para identificar o problema.
Resumindo o problema esta tanto no atualizador de programas quanto na central de programas do ubuntu 14.04, vejam:
jair@jair-Vostro-1500:~$ software-center
2014-05-21 23:19:55,334 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None'
2014-05-21 23:19:56,172 - softwarecenter.backend.reviews - WARNING - Could not get usefulness from server, no username in config file
2014-05-21 23:19:56,175 - softwarecenter.plugin - INFO - activating plugin '<module 'webapps_activation' from '/usr/share/software-center/softwarecenter/plugins/webapps_activation.pyc'>'
2014-05-21 23:19:56,183 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/lib/python2.7/dist-packages/gi/importer.py', 51, 'find_module')'
2014-05-21 23:19:56,182 - root - ERROR - Could not find any typelib for LaunchpadIntegration
2014-05-21 23:19:56,301 - softwarecenter.db.pkginfo_impl.aptcache - INFO - aptcache.open()
2014-05-21 23:19:57,000 - softwarecenter.backend.reviews - WARNING - error creating bsddb: '(22, 'Argumento inv\xc3\xa1lido -- BDB0054 illegal flag combination specified to DB_ENV->open')' (corrupted?)
2014-05-21 23:19:57,001 - softwarecenter.backend.reviews - ERROR - trying to repair DB failed
Traceback (most recent call last):
File "/usr/share/software-center/softwarecenter/backend/reviews/__init__.py", line 358, in _save_review_stats_cache_blocking
self._dump_bsddbm_for_unity(outfile, outdir)
File "/usr/share/software-center/softwarecenter/backend/reviews/__init__.py", line 377, in _dump_bsddbm_for_unity
0600)
DBInvalidArgError: (22, 'Argumento inv\xc3\xa1lido -- BDB0054 illegal flag combination specified to DB_ENV->open')
/usr/lib/python2.7/dist-packages/gi/overrides/GLib.py:535: Warning: Source ID 68 was not found when attempting to remove it
return super(MainContext, self).iteration(may_block)
/usr/bin/software-center:184: Warning: Source ID 146 was not found when attempting to remove it
Gtk.main()
/usr/lib/python2.7/dist-packages/gi/overrides/GLib.py:535: Warning: Source ID 20 was not found when attempting to remove it
return super(MainContext, self).iteration(may_block)
/usr/share/software-center/softwarecenter/ui/gtk3/widgets/searchentry.py:137: Warning: Source ID 639 was not found when attempting to remove it
GLib.source_remove(self._timeout_id)
2014-05-21 23:20:07,753 - softwarecenter.db.utils - INFO - software-center-agent finished with status 0
/usr/share/software-center/softwarecenter/ui/gtk3/widgets/exhibits.py:404: Warning: Source ID 187 was not found when attempting to remove it
GLib.source_remove(self._timeout)
/usr/share/software-center/softwarecenter/backend/installbackend_impl/aptd.py:764: Warning: Source ID 4222 was not found when attempting to remove it
GLib.source_remove(self._progress_signal)
debconf: DbDriver "passwords" warning: could not open /var/cache/debconf/passwords.dat: Permissão negada
debconf: falha ao inicializar frontend: Gnome
debconf: (Can't locate Gtk2.pm in @INC (you may need to install the Gtk2 module) (@INC contains: /etc/perl /usr/local/lib/perl/5.18.2 /usr/local/share/perl/5.18.2 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.18 /usr/share/perl/5.18 /usr/local/lib/site_perl .) at /usr/share/perl5/Debconf/FrontEnd/Gnome.pm line 91.)
debconf: tentando com frontend: Dialog
debconf: DbDriver "passwords" warning: could not open /var/cache/debconf/passwords.dat: Permissão negada
debconf: falha ao inicializar frontend: Gnome
debconf: (Can't locate Gtk2.pm in @INC (you may need to install the Gtk2 module) (@INC contains: /etc/perl /usr/local/lib/perl/5.18.2 /usr/local/share/perl/5.18.2 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.18 /usr/share/perl/5.18 /usr/local/lib/site_perl .) at /usr/share/perl5/Debconf/FrontEnd/Gnome.pm line 91.)
debconf: tentando com frontend: Dialog
debconf: DbDriver "passwords" warning: could not open /var/cache/debconf/passwords.dat: Permissão negada
debconf: falha ao inicializar frontend: Gnome
debconf: (Can't locate Gtk2.pm in @INC (you may need to install the Gtk2 module) (@INC contains: /etc/perl /usr/local/lib/perl/5.18.2 /usr/local/share/perl/5.18.2 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.18 /usr/share/perl/5.18 /usr/local/lib/site_perl .) at /usr/share/perl5/Debconf/FrontEnd/Gnome.pm line 91.)
debconf: tentando com frontend: Dialog
/usr/share/software-center/softwarecenter/backend/installbackend_impl/aptd.py:764: Warning: Source ID 4315 was not found when attempting to remove it
GLib.source_remove(self._progress_signal)
/usr/share/software-center/softwarecenter/ui/gtk3/models/pendingstore.py:64: Warning: Source ID 4316 was not found when attempting to remove it
GLib.source_remove(sig)
/usr/share/software-center/softwarecenter/ui/gtk3/models/pendingstore.py:64: Warning: Source ID 4317 was not found when attempting to remove it
GLib.source_remove(sig)
/usr/share/software-center/softwarecenter/ui/gtk3/models/pendingstore.py:64: Warning: Source ID 4318 was not found when attempting to remove it
GLib.source_remove(sig)
/usr/share/software-center/softwarecenter/ui/gtk3/models/pendingstore.py:64: Warning: Source ID 4319 was not found when attempting to remove it
GLib.source_remove(sig)
2014-05-21 23:20:25,780 - softwarecenter.backend - ERROR - error in _on_trans_finished 'Erro: Falha na operação do pacote
A instalação ou remoção de pacote de software falhou.
installArchives() failed: Selecting previously unselected package libboost-iostreams1.54.0:i386.
dpkg: unrecoverable fatal error, aborting:
files list file for package `iso-codes' contains empty filename
Error in function:
'
2014-05-21 23:20:35,370 - softwarecenter.db.pkginfo_impl.aptcache - INFO - aptcache.open()
2014-05-21 23:20:52,226 - softwarecenter.db.pkginfo_impl.aptcache - INFO - aptcache.open()
2014-05-21 23:20:52,823 - softwarecenter.utils - WARNING - Could not determine the installed desktop file path for app-install desktop file: ''
2014-05-21 23:20:52,823 - softwarecenter.backend.zeitgeist_logger - WARNING - Invalid desktop file provided, impossible to log event
Muito obrigado!!!