Backup your RaspberyPi SD Card images to play with different distributions

Do you like to explore all the technical possibilities of your gadgets like me? Sometimes setting up something can consume quite a lot of time. I had a RaspberryPi running for several month as Airplay station now. But since my Boxee is getting more and more hard to run reliably I’m looking for a replacement of it. Nothing easier than that, since I already have a RaspberryPi that can run XBMC just fine. But I only have one SD card laying around, so should I risk my Airplay installation for nothing? Just backup the current SD card image and play it back later if I’m not happy with XBMC/RaspberryPi as my Streaming client replacement. How to do that?

  • Power down your RaspberryPi if necessary
  • Take out the SD card and put it in your PC/Mac
  • Identify the disk number of your device. On Mac you can use diskutil list to see all the devices
  • Copy and compress the SD card to your local disk:
    sudo dd if=/dev/rdisk8 bs=1m | gzip > /raspberrypi/airplay.img.gz
    

References

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Posted by squix78

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