Working with include paths in PHP can sometimes provide quite a challenge. When everything resides in the document root there are no problems, but once the files are moved into one or more subdirectories difficulty may arise. This article uses Unix paths, not Microsoft Windows paths. https://unixsheikh.com/tutorials/php-include-path-problems.html
Man pages (short for "manual pages") are the extensive documentation that comes preinstalled with almost all substantial Unix-like operating systems. The Unix command used to display them is man. Each page is a self-contained document. This how-to is about how to convert a man page into a PS or PDF document.
https://unixsheikh.com/tutorials/how-to-convert-a-man-page-into-ps-pdf-or-dvi.html
Software projects, whether small or big, often needs to go trough periodic official releases. Often you need to release a stable branch of a project while at the same time development continues on the main branch. This small tutorial is about how this can be done using the Mercurial revision control system. https://unixsheikh.com/tutorials/mercurial-branching-main-and-stable-a-possible-workflow.html
What constitutes a strong password, let's take a look from the hackers point of view. https://unixsheikh.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://unixsheikh.com/tutorials/umount-device-is-busy.html
