Thanks for your answer, but it says me "mv : impossible to evaluate libindi_1.3.1_rpi.tar0.gz : no such file"
Maybe the file has not been downloaded ? When I check in /home/pi/Downloads I don't find libindi_1.3.1_rpi.tar0.gz ...
As I am beguiner in Rpi and Linux, I don't know what to do

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