Take, for example, e-mail. Historically, Linux hosts operate as mail transfer agents that can send and receive mail for all their users and possibly even relay mail to others.

Using the latest Raspberry Pi 4 Model B mini PC, you can easily create a sophisticated security camera system complete with a motion sensor. This setup will automatically send images taken using a ...

Last weekend I covered the tweeting cat door that keeps out unauthorized animals and now we have a Raspberry Pi-powered device that dispenses dog treats when you send an email to a specific address.