The Linux Compendium
Postfix is an efficient Mail Transfer Agent used for routing and sending receiving emails which is available as OpenSource software. It is the most well-known email server used in different Linux distributions. This is actually the replacement of an old Sendmail MTA that is pre-installed on the latest Rocky Linux versions as well. You may … Read more
As a system administrator, it is your job to keep the system up to date with the latest packages to increase system stability and reduce security risks. If you haven’t configured your server to check for updates automatically, you’ll have to update them manually. In this tutorial, we’ll learn how to keep Rocky Linux 8 … Read more
Eye of Gnome is the default image viewer on RHEL 8 based systems like RockyLinux 8, CentOS 8, and AlmaLinux 8, so it is most likely already installed on your system. However, if it is not installed on your previous CentOS versions, you can easily install it from the main software repository. This image viewer … Read more
Whenever we use new software or a new operating system, the interface and the environment we are used to change as well. Sometimes the new environment is user-friendly and we don’t find it difficult to deal with. But sometimes the new environment is so complex and foreign to us that we are completely clueless. In … Read more
MySQL and MariaDB are the most widely used relational database management systems (RDMS) when it comes to website hosting and CMS systems such as Joomla, WordPress, Drupal, and Typo 3. In this article, I will explain how to speed up and optimize your MySQL and MariaDB database server. Store MySQL data in the separate partitions … Read more
It is very important that your installed operating system has the correct date and time settings because many programs that run in the background (cronjobs) are executed at certain times and also log entries contain timestamps so that system events can be traced in case of an error. And of course, if you’re working on … Read more
A VPN “Virtual Private Network” is a private network that hides user identity, origin, and data using encryption. Its main use is data privacy of the user and secure connection to the internet. As it hides data, it lets you access data that is usually blocked by geo-restrictions. OpenVPN is an open-source VPN software that … Read more
There are some popular methods of generating SSL and TLS certificates in Linux. One of the most popular methods of issuing SSL certificates is Let’s encrypt which is a certificate authority that offers free SSL certificates. There is an even easier way to issue the certificate which does not require any dependencies and requirements. The … Read more
The GNU Compiler Collection (GCC) is a compiler software package with a collection of compilers for several languages. It is free and open-source software, which means that everyone has the opportunity to contribute or modify the application according to their own needs. GCC supports various programming languages, including C, C++, Objective-C, Fortran, Java and Ada. … Read more
Fish Shell also known as ‘Friendly interactive shell’ used for Unix/Linux-like operating distributions. It provides a smart, fully equipped, and user-friendly command-line environment for all Linux users. Fish shell supports various features unlike any other shell such as autosuggestion, Tab completion, syntax highlighting, Sane Scripting, Glorious VGA Color, and web-based configuration. Using this interactive shell … Read more