I just upgraded from 13.10 to 14.04 and I am experiencing problems with my dependencies as follows
sudo apt-get install gives
You might want to run
apt-get -f installto correct these. The following packages have unmet dependencies:libmatroska6Depends: libebml4 but it is not installed. Recommends :libdvdcss2but it is not installed.
on trying apt-get -f install gives
gtk warning cannot open display at
/usr/share/per15/Debconf/FrontEnd/Gnome.pmline 94, <> line 1 .
I tried dpkg-reconfigure -f results an dpkg:error:need an action option
other unmet dependency package is vlc-nox