$ sudo ssh pi@R01.local
$ sudo ssh -v pi@R01.local

$ sudo apt-get install xrdp
$ sudo apt-get remove -purge libreoffice

$ sudo raspi-config

$ raspistill -o test.jpg
$ raspistill -t 0


$ raspivid -o - -t 0 -hf -w 1920 -h 1080 -fps 30 -b 2000000 | cvlc -vvv stream:///dev/stdin --sout '#rtp{sdp=rtsp://:8554/stream}' :demux=h264


$ gpio readall