demetris@Athlon-M5A78L:/$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
  liboxideqt-qmlplugin liboxideqtcore0 liboxideqtquick0 oxideqt-codecs-extra
  skype:i386
The following packages will be upgraded:
  apparmor base-files bind9-host curl dbus dbus-x11 debootstrap dkms dnsutils
  firefox firefox-locale-en im-config libapparmor-perl libapparmor1
  libbind9-140 libcuda1-340 libcurl3 libcurl3-gnutls libcurl3-gnutls:i386
  libdbus-1-3 libdbus-1-3:i386 libdbus-1-dev libdns-export162 libdns162 libgd3
  libgd3:i386 libisc-export160 libisc160 libisccc140 libisccfg140 liblwres141
  libqt5concurrent5 libqt5core5a libqt5dbus5 libqt5gui5 libqt5libqgtk2
  libqt5network5 libqt5opengl5 libqt5opengl5-dev libqt5printsupport5
  libqt5sql5 libqt5sql5-sqlite libqt5test5 libqt5widgets5 libqt5xml5
  libwhoopsie0 light-themes nvidia-340 nvidia-opencl-icd-340 openjdk-8-jre
  openjdk-8-jre-headless qt5-qmake qtbase5-dev qtbase5-dev-tools
  suru-icon-theme thunderbird thunderbird-gnome-support thunderbird-locale-el
  thunderbird-locale-en thunderbird-locale-en-gb thunderbird-locale-en-us
  ubuntu-artwork ubuntu-mobile-icons ubuntu-mono unattended-upgrades
  update-notifier-common whoopsie
67 upgraded, 0 newly installed, 0 to remove and 5 not upgraded.
Need to get 203 MB of archives.
After this operation, 200 kB of additional disk space will be used.
Do you want to continue? [Y/n] Y