Introduction Exim is one of the most popular message transfer agent (MTA). It is widely used on different systems and is the goto message transfer agent for most cPanel servers. Exim was developed at the University of Cambridge for use on Unix system...

Introduction Bash scripting lets you automate a lot of your tasks on Linux and UNIX systems. Bash combines the power of the Linux commands and tools with a powerful and robust scripting language. Bash is widely available on various operating systems....

Introduction I host all of my websites on DigitalOcean Droplets and I also use Cloudflare as my CDN provider. One of the benefits of using Cloudflare is that it reduces the overall traffic to your user and also hides your actual server IP address beh...

Introduction As a developer or system administrator, you might have to spend a lot of time in your terminal. I always try to look for ways to optimize any repetitive tasks. One way to do that is to either write short bash scripts or create custom com...

Introduction Quizzes are a great way to test your knowledge on a specific topic. So I decided to create a tool called the Quiz API! Quiz API is a simple HTTP REST API for technical quizzes including a wide variety of topics like: Linux, DevOps, Prog...

IntroductionThe SSL Checker tool allows you to quickly diagnose problems with your SSL certificate installation and also gives you some useful information like when your SSL certificate would expire, the issuer of the certificate, and more....

IntroductionOne of the first things that I would usually do in case I notice a high CPU usage on some of my Linux servers would be to check the process list with either top or htop and in case that I notice a lot of Apache or Nginx process I would qu...

IntroductionWelcome to part 5 of my Introduction to Ansible blog post series! If you have not read previous parts of the Introduction to Ansible series, you can find them here:     - Part 1: Here I cover what Ansible is and how to fin...

IntroductionWelcome to part 4 of my Introduction to Ansible blog post series! If you have not read previous parts  of the Introduction to Ansible series, you can find them here:    - Part 1: Here I cover what Ansible is and how to find...

IntroductionWelcome to part 3 of my Introduction to Ansible blog post series! If you have not read part 1 and part 2 of the Introduction to Ansible series, you can find it here:    - Part 1: Here I cover what Ansible is and how to find your...