apt-update

Reading package lists...
Building dependency tree...
Reading state information...
The following packages will be upgraded:
  apt
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/1,265 kB of archives.
After this operation, 0 B of additional disk space will be used.
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(Reading database ... 41521 files and directories currently installed.)
Preparing to replace apt 0.9.7.8-SprezzOS1 (using .../apt_0.9.7.8-SprezzOS1_amd64.deb) ...
Unpacking replacement apt ...
Processing triggers for man-db ...
Setting up apt (0.9.7.8-SprezzOS1) ...
gpg: key B98321F9: "Squeeze Stable Release Key <debian-release@lists.debian.org>" not changed
gpg: key 473041FA: "Debian Archive Automatic Signing Key (6.0/squeeze) <ftpmaster@debian.org>" not changed
gpg: key 65FFB764: "Wheezy Stable Release Key <debian-release@lists.debian.org>" not changed
gpg: key 46925553: "Debian Archive Automatic Signing Key (7.0/wheezy) <ftpmaster@debian.org>" not changed
gpg: Total number processed: 4
gpg:              unchanged: 4