Turn an Old Raspberry pi into an offsite backup

Why? Lets start off with a few notes about how and why I would do this. I already have a fireproof/waterproof drive in my house. Sounds like im all set right? Not really. Although im set on a disaster level there are a few things that can be an issue with onsite backups. Especially with my drive being plugged in all the time. Theft, Although it is “theft resistant” the metal they want me to bolt down isnt very strong at all. [Read More]

Ultra minimal Raspbian Image for Pi Zero and Zero W

I wanted to make a ultra lite image that I can quickly drop Go programs onto. This image had a few requirements, be under 300MB, have less than 20MB ram usage idle, startup in under 5 seconds. I will post below everything I did to strip this down so that it can be replicated in the future. Currently with the steps below I have achieved 427MB/16MB, close to my goal for disk and memory usage is below the goal. As for bootup time, I am limited by network connection time 5+ seconds.

Install a fresh Raspbian Stretch Lite image into the SD card (source).

Configure headless SSH and Wi-Fi (if necessary) before starting the SD card (source).

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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. [Read More]