root@raspberrypi:/home/pi# sudo dpkg -i Hyperion-2.0.13-Linux-armv7l.deb Selecting previously unselected package hyperion. (Reading database ... 41405 files and directories currently installed.) Preparing to unpack Hyperion-2.0.13-Linux-armv7l.deb ... ---Hyperion ambient light preinst --- Unpacking hyperion (2.0.13) ... dpkg: dependency problems prevent configuration of hyperion: hyperion depends on libcec6 | libcec4; however: Package libcec6 is not installed. Package libcec4 is not installed. dpkg: error processing package hyperion (--install): dependency problems - leaving unconfigured Errors were encountered while processing: hyperion root@raspberrypi:/home/pi# ^C root@raspberrypi:/home/pi# ~$sudo apt --fix-broken install bash: ~: command not found root@raspberrypi:/home/pi# sudo dpkg -i Hyperion-2.0.13-Linux-armv7l.deb (Reading database ... 42298 files and directories currently installed.) Preparing to unpack Hyperion-2.0.13-Linux-armv7l.deb ... ---Hyperion ambient light preinst --- Unpacking hyperion (2.0.13) over (2.0.13) ... dpkg: dependency problems prevent configuration of hyperion: hyperion depends on libcec6 | libcec4; however: Package libcec6 is not installed. Package libcec4 is not installed. dpkg: error processing package hyperion (--install): dependency problems - leaving unconfigured Errors were encountered while processing: hyperion root@raspberrypi:/home/pi# sudo dpkg -i /path/to/hyperion_file.deb dpkg: error: cannot access archive '/path/to/hyperion_file.deb': No such file or directory root@raspberrypi:/home/pi# sudo apt-get install libcec6 Reading package lists... Done Building dependency tree... Done Reading state information... Done You might want to run 'apt --fix-broken install' to correct these. The following packages have unmet dependencies: libcec6 : Depends: libp8-platform2 but it is not going to be installed Depends: libxrandr2 (>= 2:1.2.99.2) but it is not going to be installed E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution). root@raspberrypi:/home/pi# sudo apt-get install libcec-dev Reading package lists... Done Building dependency tree... Done Reading state information... Done You might want to run 'apt --fix-broken install' to correct these. The following packages have unmet dependencies: hyperion : Depends: libcec6 but it is not going to be installed or libcec4 but it is not installable libcec-dev : Depends: libcec6 (= 6.0.2-2+rpt2) but it is not going to be installed E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution). root@raspberrypi:/home/pi# apt --fix-broken install Reading package lists... Done Building dependency tree... Done Reading state information... Done Correcting dependencies... Done The following additional packages will be installed: libcec6 libp8-platform2 libxrandr2 libxrender1 The following NEW packages will be installed: libcec6 libp8-platform2 libxrandr2 libxrender1 0 upgraded, 4 newly installed, 0 to remove and 2 not upgraded.