Introduction FreeBSD is a free and open-source Unix-like operating system based on Berkeley Software Distribution (BSD) system. It is widely used by developers, system administrators, and users who are looking for a reliable and secure operating system. One of main features of FreeBSD is its package management system, which allows ... Read More

As a Linux administrator, one of most important aspects of maintaining a secure and stable network is implementation of an effective firewall. IPtables is a powerful firewall tool that comes pre-installed on most Linux distributions. In this article, we will explore 20 useful IPtables firewall rules that every Linux administrator ... Read More

Introduction In world of Linux system administration, performance monitoring is an important task. There are a lot of tools available for this purpose, and one of most widely used is Sysstat utilities. Sysstat utilities are a collection of tools that provide detailed system performance information, including CPU utilization, memory usage, ... Read More

Apache is one of most popular web servers in world, and it's used by millions of websites to serve content to users. One of most powerful features of Apache is its ability to use .htaccess files to customize and secure websites. An .htaccess file is a simple text file that ... Read More

Ubuntu 22.10 'Groovy Gorilla' has been released, and it is packed with exciting features and improvements. However, after installing operating system, there are some essential things you need to do to make most of it. This article will highlight 20 things to do after installing Ubuntu 22.10 'Groovy Gorilla' to ... Read More

Fedora 26 Workstation is an operating system built on Linux kernel, which provides users with a highly customizable, secure, and powerful computing experience. It is designed to cater to developers, system administrators, and users who want to leverage latest technologies and features. If you have just installed Fedora 26 Workstation, ... Read More

Introduction If you have recently installed Fedora 24 or Fedora 25 on your workstation, congratulations! You now have a powerful and versatile operating system at your fingertips. However, there are still some things you should do to get most out of your new Fedora installation. In this article, we will ... Read More

Introduction Amazon Web Services (AWS) is one of most popular cloud computing platforms in world. It provides a wide range of services, such as storage, computing, networking, and databases, to name a few. AWS Command Line Interface (CLI) is a powerful tool that allows you to manage your AWS ... Read More

Introduction The Unix operating system is known for its powerful command-line interface and an extensive collection of tools. Among these tools, "uniq" command is a popular utility that is used to filter out duplicate lines in text files. This command is often used in conjunction with other command-line tools and ... Read More

Introduction Awk is a powerful text processing tool that is widely used by developers, system administrators, and analysts to manipulate data in a variety of ways. It is a versatile tool that can process text files, extract data, and transform it into a variety of formats. One of key features ... Read More