libcec

Control devices via TV remote and HDMI CEC protocol

brewmacoslinux

Try with needOr install directly

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Control devices with TV remote control and HDMI cabling

cec-clientcecon

Start interactive CEC client to control HDMI devices$ cec-client

Send power on command to TV via HDMI CEC$ echo 'on 0' | cec-client -s

List all CEC devices connected to HDMI$ cec-client -l