What constitutes a strong password, let's take a look from the attackers point of view. https://unixdigest.com/articles/passwords-from-the-hackers-point-of-view.html
Have you ever tried to unmount a partition only to get the message "device is busy"? Well, there's a reason for that and here's what you can do. https://unixdigest.com/tutorials/umount-device-is-busy.html
When going into extremes in using a specific programming style or a specific design pattern the result is always bad code - even if it looks nice. https://unixdigest.com/articles/code-navigation-design-patterns-and-too-many-functions.html
The Git revision control system has something called a "bare" and a "non-bare" repository. This tutorial deals with the issue and also compares the Git design to the design of Mercurial and Bazaar. https://unixdigest.com/tutorials/git-bare-vs-non-bare-repositories.html