sudo apt-get purge man-db
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
  man-db*
0 upgraded, 0 newly installed, 1 to remove and 1 not upgraded.
4 not fully installed or removed.
After this operation, 2,138 kB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 246493 files and directories currently installed.)
Removing man-db (2.7.5-1) ...
Purging configuration files for man-db (2.7.5-1) ...
  Removing catpages as well as /var/cache/man hierarchy.
Processing triggers for mime-support (3.59ubuntu1) ...
Processing triggers for doc-base (0.10.7) ...
Processing 1 removed doc-base file...
Setting up keyboard-configuration (1.108ubuntu15.4) ...
Segmentation fault (core dumped)
dpkg: error processing package keyboard-configuration (--configure):
 subprocess installed post-installation script returned error exit status 139
No apport report written because the error message indicates its a followup error from a previous failure.
                                                                                                          dpkg: dependency problems prevent configuration of console-setup-linux:
 console-setup-linux depends on keyboard-configuration (= 1.108ubuntu15.4); however:
  Package keyboard-configuration is not configured yet.

dpkg: error processing package console-setup-linux (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of console-setup:
 console-setup depends on console-setup-linux; however:
  Package console-setup-linux is not configured yet.
 console-setup depends on keyboard-configuration (= 1.108ubuntu15.4); however:
  Package keyboard-configuration is not configured yet.

dpkg: error processing package console-setup (--configure):
 dependency problems - leaving unconfigured
Setting up desktop-file-utils (0.22-1ubuntu5.2) ...
No apport report written because the error message indicates its a followup error from a previous failure.
                                                                                                          Segmentation fault (core dumped)
dpkg: error processing package desktop-file-utils (--configure):
 subprocess installed post-installation script returned error exit status 139
No apport report written because MaxReports is reached already
                                                              Errors were encountered while processing:
 keyboard-configuration
 console-setup-linux
 console-setup
 desktop-file-utils
E: Sub-process /usr/bin/dpkg returned an error code (1)