Link Wednesday (9.13.17)

I’ve been keeping an archive of useful how-to articles and have decided to share them as a more-or-less weekly feature… Not to mention as an easy way of archiving them for my own future use.

Americanize Raspberry Pi

I don’t know why it took me literally years of working with Raspbian before I realized that the default configuration had several quirks from across the pond. Running through the steps in this article fully “Americanizes” your Pi–i.e. it sets the locales and download locations correctly. Now it is part of my basic New Pi Procedure.

Change Network Interface Name

Has anyone else noticed that new systems tend to give their network interfaces weird names (like eno63214A… that sort of thing)? If anyone knows why, I’d love to find out but until then I will just vaguely blame it on IPv6. Not to resist the future, but the new style of name makes using wildcards with system monitors like Grafana highly annoying. Plus if eth0 was a good enough for my father and a generation of other Linux nerds, it’s good enough for me, dag nabbit! Unfortunately I could not figure out how to change the interface on my own. Thankfully Google came to the rescue!

Raspberry Pi Undervolt Warning

After a long search I discovered that there is really no way to use software to find a Raspberry Pi’s current input voltage or power usage without adding additional hardware. However, there is a tricky way to make sure that your Pi isn’t “browning out” by monitoring the LED that indicates a low-power state. It’s a super clever hack and one that I plan on integrating with my larger monitoring system at some point. (Note this may only work with RPI1 & 2.)

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