Raspberry Pi Booting From USB on older models
Booting from USB is easy on a Pi1, Pi2, or Pi3. This can be useful in mamy cases to speed up the performance of your pi when using a slow sd card. It can also provide a reliable location where you operating system data resides. Sd cards are prone to data corruption from writes a operating system ussually does.
Write the latest Raspbian image to an SD card and boot it.
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