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Introduction The Linux kernel is the foundation on which all Linux distributions operate. It is open-source software – anyone can decompile, examine, and modify the code. Updated versions of the kern…

Introduction Nmap is a powerful network discovery and security auditing utility that is free, open-source, and easy to install. Nmap scans for vulnerabilities on your network, performs inventory chec…

Introduction Uncesscerary packages slow down system performance and take up storage space. If specific software isn’t being used, then it’s best to remove it, and doing so is easy. In this tutorial, …

Introduction Oracle VirtualBox is a virtualization software solution that allows you to create and run virtual machines on a single hardware machine. By using a Type 2 hypervisor, like VirtualBox, yo…

Introduction Minimizing vulnerabilities in your Secure Shell (SSH) protocol is key to ensuring the security of your Linux environment. In this article, we cover the most common Linux SSH security mea…

Introduction Server Blocks, often referred to as Nginx virtual host are a feature of the Nginx web server that allows you to host multiple websites on one server. As opposed to setting up and configu…

Introduction Linux, like other Unix-like operating systems, allows multiple users to work on the same server simultaneously without disrupting each other. Individuals sharing access to files pose a r…

Introduction Network Mapper (Nmap) is a free, open-source network security scanning tool. By sending IP packets and analyzing the responses, Nmap can discover information about hosts and services on …

Introduction The XAMPP stack is a platform that developers use as a local host, giving them a suitable environment for testing software and webpages before transferring data to remote servers. As an …

Introduction Disabling the firewall in CentOS is sometimes necessary for testing purposes. For security reasons, running a firewall on a production server is a must. We cannot stress enough the impor…