sudo apt-get install locales
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  libbrlapi0.6 console-data libiscsi1 libssh2-1
Use 'apt-get autoremove' to remove them.
The following packages will be upgraded:
  locales
1 upgraded, 0 newly installed, 0 to remove and 2016 not upgraded.
1 not fully installed or removed.
Need to get 0 B/3841 kB of archives.
After this operation, 6429 kB of additional disk space will be used.
WARNING: The following packages cannot be authenticated!
  locales
Install these packages without verification [y/N]? y
dpkg: dependency problems prevent configuration of locales:
 libc6:i386 (2.17-5) breaks locales (<< 2.17) and is installed.
  Version of locales to be configured is 2.13+git20120306-3.
 libc6:amd64 (2.17-5) breaks locales (<< 2.17) and is installed.
  Version of locales to be configured is 2.13+git20120306-3.

dpkg: error processing locales (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
                                  Errors were encountered while processing:
 locales
E: Sub-process /usr/bin/dpkg returned an error code (1)