Creating a disk image

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Caliban
 
Posts: 10
Joined: Tue Apr 01, 2014 7:55 pm

Creating a disk image

Post by Caliban »

Hi all,

I've finally got my BBB to be stable and communicating nicely. Everything's updated/upgraded and all is well. I have connectivity through wifi, ethernet and sharing a connection with a host, plus my startup scripts are all working. I want to snap a disk image so that if something goes wrong I can restore to this setup. Could you tell me how?

Many thanks,

Anthony

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chuckm
 
Posts: 159
Joined: Thu Dec 24, 2009 3:31 am

Re: Creating a disk image

Post by chuckm »

Are you running from the internal MMC or an external uSD card? If you have a machine you can mount via NFS the simplest thing to do is mount it on /tmp and use DD to copy the partitions over to the NFS server. You can use those images on a bootable SD card image to recreate your system. However this is not really a 'good' strategy in that the hardware evolves and software evolves. A more durable solution is a document of steps to create the image you have. You can look at some of the scripts on elinux.org for ways to package up a 'flashing' uSD card that will flash the eMMC with a new image.

Caliban
 
Posts: 10
Joined: Tue Apr 01, 2014 7:55 pm

Re: Creating a disk image

Post by Caliban »

Cheers Chuck, many thanks for your help.

Anthony

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