This tutorial describes how you can keep the system time precise using a NTP server. https://unixsheikh.com/tutorials/keeping-the-system-time-precise-using-ntp.html
This tutorial describes how you can speed up DNS requests using BIND as a local cache. https://unixsheikh.com/tutorials/cache-your-dns-requests.html
How to encrypt and decrypt a file with GnuPG, OpenSSL or LibreSSL, or Mcrypt using the Advanced Encryption Standard and a password phrase. https://unixsheikh.com/tutorials/encrypting-and-decrypting-files-using-gnupg-openssl-or-mcrypt.html
In the world of Linux (also called GNU/Linux) there currently exist over 600 distributions, approximately 300 of those are in active development, constantly being revised and improved, and while most of them look great, only a few of them are actually worth paying attention to IMHO. https://unixsheikh.com/articles/why-i-do-not-like-derived-linux-distributions.html
This document is based upon some simple notes to myself. I have actually re-writtin this document a couple of times - each time I changed my directory structure, or considered another way to implement some kind of backup solution. Backup may be as simple as a copy or archive-file of a tree of files, or may take advantage of recording small differences since a previous backup, to make efficient use of storage space. This document is about my personal preferences with regard to backup solutions, r
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
