franchi:~# aptitude dist-upgrade
aptitude: error while loading shared libraries: libapt-pkg-libc6.3-6.so.3.11: cannot open shared object file: No such file or directory
franchi:~# apt-get dist-upgrade
Reading Package Lists... Done
Building Dependency Tree... Done
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
  aptitude: Depends: libapt-pkg-libc6.3-6-3.11
  hal: Depends: udev (>= 0.065) but 0.056-3 is installed
  initramfs-tools: Depends: udev (>= 0.086-1) but 0.056-3 is installed
  udev: Depends: hotplug (>= 0.0.20040329-17) but it is not installed
E: Unmet dependencies. Try using -f.