robin@ubuntu:~$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
Need to get 0B of archives.
After unpacking 0B of additional disk space will be used.
Do you want to continue [Y/n]? Y
Setting up debtags (1.5.2ubuntu4) ...
debtags: ConsistencyCheckException: Unable to use any data source (not even previously cached ones)

dpkg: error processing debtags (--configure):
subprocess post-installation script returned error exit status 1
Errors were encountered while processing:
debtags
E: Sub-process /usr/bin/dpkg returned an error code (1)

You are typindthe command wrongly it seems:

apt-get update

OR

apt-get dist-upgrade

There is no apt-get upgrade

See for yourself from your error message:

Zero Byte of archives is the clue