Plurrrr

This is the third article in a series where I try to understand systemd by creating small containerized examples. In Part 1, we created a minimal systemd setup in a container. In Part 2 we took a close look at systemd’s dependency management. Now we are turning to systemd services. There is a lot to say about services, so I will split the information across the next few posts, starting in this post with the basics of defining a service unit.

There are five prevailing viewpoints on the topic of testing private methods:

• Don’t Use Private Methods In The First Place
• Always Test Private Methods
• Never Test Private Methods
• Test Private Methods Sometimes
• Extract Private Methods Into A Separate Class

Digital Signature Algorithms (DSAs) underpin modern technology enabling phone calls, emails, operating system updates, and payments to process securely. Every DSA is built upon one way functions, which are is easy to perform one way but hard to reverse. Ed25519 is one such DSA and in this article I'll show how to use it.