In the world of RPM-based distributions, keeping your software packages up-to-date is crucial for maintaining system security and stability. Fortunately, dnf provides a powerful and user-friendly package management utility for managing software updates. In this blog post, we will explore the features of dnf and how it improves upon its predecessor, yum. What is DNF? DNF is the next-generation package management utility for RPM-based Linux distributions. It is a modern, open-source package manager that is designed to make it easier for users to manage software packages on their systems. DNF stands for "Dandified Yum, " which is a reference to ... Read More

Python and Perl are two popular programming languages used for a variety of purposes. Both languages have their own strengths and weaknesses, and choosing between them can be a difficult decision for aspiring programmers. In this blog post, we will take a deep dive into the Python vs Perl debate and help you make an informed decision on which language to learn. Python vs Perl: An Overview Python and Perl are both high-level, interpreted programming languages that are used for a wide range of applications. Python was created in the late 1980s by Guido van Rossum, while Perl was created ... Read More

Linux is one of the most widely used operating systems in the world, thanks to its stability, security, and flexibility. One of the key components of the Linux operating system is the package management system. There are different package management systems in use, but one of the most popular is the dpkg system. In this blog post, we will explore the dpkg command in Linux, what it does, and how to use it effectively. We will also provide some examples to help you get started with using the dpkg command in Linux. What is the dpkg command? dpkg is a ... Read More

Keeping your software up-to-date is essential for maintaining the security and reliability of your system. This is particularly true for servers and other production systems that are exposed to the Internet, as they are often targeted by malicious actors seeking to exploit vulnerabilities in outdated software. For users of CentOS 8 and other RPM-based distributions, the dnf package manager provides a powerful tool for managing software packages and keeping them up-to-date. However, manually checking for and installing updates can be a time-consuming and error-prone process, especially on systems with a large number of packages installed. Fortunately, dnf-automatic provides an easy ... Read More

If you're a Linux user, you're probably used to using the command line interface to navigate your files and directories. One of the challenges of working in a terminal environment is managing disk space. As you install more programs and save more files, your hard drive can quickly become cluttered and disorganized, making it difficult to find the files you need. Fortunately, there are tools available that can help you manage your disk space more efficiently. In this article, we’ll be introducing Diskonaut, a terminal-based disk space navigator for Linux. Diskonaut is a lightweight and user-friendly tool that allows you ... Read More

Are you looking for a modern and feature-rich forum platform to host your community discussions? Look no further than Discourse! Discourse is a free, open-source forum software that is designed to be fast, user-friendly, and highly customizable. In this blog post, we will cover everything you need to know to get started with Discourse, including installation, configuration, and customization. What is Discourse? Discourse is a modern, open-source, and feature-rich forum software that allows users to have discussions and share knowledge in a community-driven environment. It is designed to provide a more engaging and interactive experience than traditional forums, with a ... Read More

When you run a website using Apache web server, it may be possible for a user to access a directory listing of the files in a particular directory. This directory listing can be useful for some purposes, such as when sharing files with a small group of trusted individuals, but in most cases, it's not desirable to have these files accessible to the public. In this article, we will discuss how to disable Apache web directory listing using the .htaccess file. This method is a quick and easy way to prevent directory listing for a particular directory or set of ... Read More

When you install RHEL/CentOS 8 Minimal, the system comes with a minimal set of pre-installed packages and services to keep the system lightweight and secure. However, over time, as you install new packages and services, your system can become bloated and vulnerable to security threats. In this article, we will discuss how to disable and remove unwanted services and packages on RHEL/CentOS 8 Minimal installation. We will start by identifying unnecessary services and best practices for disabling them to ensure that your system remains secure and functional. Additionally, we will discuss how to remove any packages that are no longer ... Read More

If you're a Linux user, you're probably familiar with the command-line interface. It's a powerful tool for working with files, directories, and other aspects of your system. However, if you're working with large amounts of text data, it can be challenging to make sense of everything. That's where the column command comes in. This command allows you to format text into columns, specify delimiters, align columns, wrap text, and even sort columns of data. In this blog post, we'll explore the different ways to use the column command in Linux and how it can help you work more efficiently with ... Read More

Reading files is an essential aspect of shell scripting in the Bash environment. In Bash, reading files can be achieved using different techniques, and one of the most popular and versatile methods is using the while loop. The while loop in Bash is a powerful construct that allows us to iterate through a file line by line, making it easier to manipulate and process data. In this article, we will discuss various ways to read a file using while loops in Bash scripting. Before diving into the different techniques of reading files in Bash, let us understand the syntax and ... Read More