apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following packages were automatically installed and are no longer required: baobab caribou caribou-antler dnsmasq-base empathy empathy-common fonts-cantarell gcalctool gdm3 gnome-backgrounds gnome-dictionary gnome-disk-utility gnome-font-viewer gnome-icon-theme-extras gnome-packagekit gnome-packagekit-data gnome-screenshot gnome-system-log gucharmap libavahi-gobject0 libavahi-ui-gtk3-0 libcaribou-gtk-module libcaribou-gtk3-module libchamplain-0.12-0 libchamplain-gtk-0.12-0 libgdict-1.0-6 libgdict-common libgdu-gtk0 libgeocode-glib0 libjim0debian2 libnl-route-3-200 libtelepathy-farstream2 libunique-3.0-0 mobile-broadband-provider-info modemmanager nautilus-sendto-empathy network-manager network-manager-gnome sound-theme-freedesktop telepathy-gabble telepathy-logger telepathy-salut usb-modeswitch usb-modeswitch-data vino wpasupplicant Use 'apt-get autoremove' to remove them. The following extra packages will be installed: libc-bin libc6 Suggested packages: glibc-doc The following packages will be upgraded: libc-bin libc6 2 upgraded, 0 newly installed, 0 to remove and 405 not upgraded. 3 not fully installed or removed. Need to get 0 B/5,073 kB of archives. After this operation, 961 kB of additional disk space will be used. Do you want to continue [Y/n]? y WARNING: The following packages cannot be authenticated! libc-bin libc6 Install these packages without verification [y/N]? y Reading changelogs... Done Preconfiguring packages ... (Reading database ... 322035 files and directories currently installed.) Preparing to replace libc-bin 2.13-38+deb7u8 (using .../libc-bin_2.15-0ubuntu10.12_i386.deb) ... Unpacking replacement libc-bin ... dpkg: error processing /var/cache/apt/archives/libc-bin_2.15-0ubuntu10.12_i386.deb (--unpack): trying to overwrite '/usr/sbin/update-locale', which is also in package locales 2.13-38+deb7u8 dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) Errors were encountered while processing: /var/cache/apt/archives/libc-bin_2.15-0ubuntu10.12_i386.deb E: Sub-process /usr/bin/dpkg returned an error code (1)