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Backing-up Single Board Computer (lemmy.world)

submitted 2 years ago* (last edited 2 years ago) by Krafting@lemmy.world to c/selfhosted@lemmy.world

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Hello everyone!

I have a small OrangePi running some small services on it (some with Docker and some without Docker).

And I'd love to know how do you backup your single-board computers.

Do you just rsync the system to a storage server ? Do you plug in a USB drive and rsync on it ? Do you save only the important data or the whole system ?

For now my SBC is not backed-up and I'd like to get a good backup solution up and running quickly! (I don't trust SD cards to last long...)

I have access to USB drives and disks and also another big server with 20TB of storage which I can make the backup to if needed!

Thanks for your help !

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[–] Esca@lemmy.one 2 points 2 years ago* (last edited 2 years ago) (2 children)

I love that idea, and I'd love to implement that. But I honestly can never figure out how people are working with services that enables the user to change settings (for example, to set their location to get their local weather) while still maintaining a read-only system.

[–] DontNoodles@discuss.tchncs.de 1 points 2 years ago

I am still figuring it out since it is my hobby and I'm unable to devote much time to it. But I think it will be something like Ubuntu live disks which enabled you to try Ubuntu by running it from a DVD. You could run anything like web server, save files, settings etc. Only they would not persist after a reboot since every thing was saved in RAM. Only here it'll be a write locked SD card instead of a DVD.

I'm also sure there must be a name for it and step by step tutorial somewhere. If only Google was not so bad these days...

[–] Decipher0771@lemmy.ca 1 points 2 years ago

You keep the user-changeable files on a separate filesystem. Whether that’s just a separate partition, or an external disk. Keep the system itself read only, and write-heavy directories like logs and caches in RAM.