This is a simple guide on building a $35 Time Capsule with a Raspberry Pi. A Time Capsule is a network attached storage device from Apple for use with their Time Machine. Time Machine gives users a very easy and userfriendly way to automatically create and restore (encrypted) backups. A Time Capsule is basically an expensive NAS that only talks the AFP/netatalk protocol. The 2 TB version costs $299 at this time, a Raspberry Pi only $35…
You will need the following:
Raspberry Pi, Model B/B+
USB Hard Disk / Big USB Disk
The Raspberry Pi can run either Raspbian or Arch, this guide works on both. The USB storage works best if it is externally powered.
I’ve tested with 2 different Raspberry Pi’s, one model B+, raspbian, with a 128GB USB disk (from Sandisk) and on Raspberry Pi Model B with Arch and a 1 TB USB hard drive. I’ve got some spare disk lying around, if you don’t you should buy one. The total cost might be higher than $35 if you need to buy storage or want a nice case and other accessories.
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