Setting up a Linux system after installation is critical to ensure the server is secure, stable, and ready for production use. New users, especially system administrators, must follow a clear post-installation checklist to avoid common pitfalls and optimize system performance. This article provides a practical, step-by-step checklist covering key tasks from system updates to security hardening,…
Remote control software has become essential for IT professionals who need to access and manage systems from different locations. System administrators and network engineers rely on these tools daily to provide technical support, perform maintenance tasks, and address issues across distributed networks. While TeamViewer remains a popular choice, its cost structure often presents challenges for…
Many people still think that Linux is an operating system for professionals only, but that’s not true, indeed. Nowadays, Linux is a good choice for desktops and laptops. In this article, we’ll give the 5 best Linux distributions for beginners. 1. Ubuntu Ubuntu is one of the most popular mainstream Linux distributions of all time,…
Mastering the Linux command line is key to efficient system management, troubleshooting, and automation for junior systems engineers and system administrators. Experienced engineers often rely on the CLI, especially for configuring network equipment and managing remote servers. This article covers 15 essential Linux commands, with detailed examples and links to additional resources. 1. Why the…
Let’s Encrypt is a free, automated, and open certificate authority that provides SSL certificates for securing websites. This guide will detail the process of installing Let’s Encrypt on Site5 shared hosting and how to automate the renewal of your certificates. Understanding Let’s Encrypt What is Let’s Encrypt? Let’s Encrypt allows website owners to obtain SSL…
Introduction Are you intrigued by the world of ethical hacking but unsure where to start? You’re not alone. Becoming an ethical hacker is an exciting journey that requires dedication, perseverance, and the right resources. This guide will walk you through a step-by-step roadmap to help you become a proficient ethical hacker, all for free! Developing…
SecureCRT is a popular SSH client used by network engineers and system administrators to manage network devices (switch, router, …) and servers securely. However, it is commercial software that requires a license to use. You are in the right place if you are looking for free alternatives to SecureCRT. In this post, we will discuss…
In this article, we will discuss Linux containers, their advantages, and their impact on the IT industry. Containers are becoming more and more popular in software development, and it is essential to understand their significance to stay ahead in the game. What are Linux Containers? Linux containers are a lightweight, portable, and self-contained software package…
Every device connected to a network has a unique identifier called an IP address. The IP address is used for addressing at the Network layer of the OSI model (internet level of the TCP/IP architecture). It is a unique address of every device connected to the network, more precisely, every network interface on the network….