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[https://www.raspberrypi.org/forums/viewtopic.php?f=66&t=59520 source] | [https://www.raspberrypi.org/forums/viewtopic.php?f=66&t=59520 source] | ||
==Backup and copy== | |||
let's say /dev/mmcblk0 is your card reader | let's say /dev/mmcblk0 is your card reader | ||
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(both these commands take a long time and the terminal seems like frozen, there is no progress feedback) | (both these commands take a long time and the terminal seems like frozen, there is no progress feedback) | ||
==Power== | |||
to switch on just plug in the power. Make sure HDMI is connected first and Beamer/Screen is on prior to plugging in the power, otherwise the screen might not be recognized. | to switch on just plug in the power. Make sure HDMI is connected first and Beamer/Screen is on prior to plugging in the power, otherwise the screen might not be recognized. | ||
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shutdown: | shutdown: | ||
sudo shutdown -h now | sudo shutdown -h now | ||
==Notes== | |||
===other resources=== | |||
Use multiple RasberryPis to make a video wall (needs one extra server-Pi, plus one Pi per client) [http://www.piwall.co.uk Piwall] | |||