The following packages will be upgraded:
  aquamarine aquamarine-dbg aquamarine-dev beryl beryl-core beryl-core-dbg beryl-dev beryl-manager beryl-plugins beryl-plugins-data
  beryl-plugins-dbg beryl-settings beryl-settings-bindings compiz compiz-core compiz-gnome compiz-kde compiz-plugins
  compizconfig-settings-manager emerald libberyldecoration0 libberylsettings-dev libberylsettings0 libcompizconfig-backend-kconfig
  libdecoration0 libemeraldengine0
26 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 10.2MB of archives.
After unpacking 6650kB of additional disk space will be used.
Do you want to continue [Y/n]? y
WARNING: The following packages cannot be authenticated!
  libberyldecoration0 libberylsettings0 beryl-core aquamarine aquamarine-dbg libberylsettings-dev beryl-dev aquamarine-dev
  beryl-plugins-data beryl-plugins beryl-settings-bindings beryl-settings libdecoration0 libemeraldengine0 emerald compiz-gnome
  beryl-manager beryl beryl-core-dbg beryl-plugins-dbg compiz-kde compiz-plugins compiz-core compiz compizconfig-settings-manager
  libcompizconfig-backend-kconfig
Authentication warning overridden.