This guide shows you how to overcome the no-matching host key type error sometimes encountered when using SSH. Secure Shell (SSH) is a cornerstone of remote server management and secure …
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This cheat sheet is designed to briefly reference some of the most commonly used Netcat commands, along with a brief description and practical examples to illustrate their use. Whether you’re …
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Welcome to this comprehensive guide on Netcat, an indispensable tool for anyone in DevOps, cybersecurity, or system administration. Whether you’re preparing for an interview or exam or just looking to …
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This cheat sheet equips you with essential Lynis commands to navigate your system’s security landscape. Quickly learn how to launch basic and advanced scans, filter results by severity or category, …
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Remember that time a major company breach exposed millions of user records? Scary, right? While most attacks target big businesses, your personal Linux system isn’t immune. Tools like Lynis can help you identify and fix security weaknesses before attackers exploit them. What is Lynus? Lynis is a powerful, open-source security …
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Setting up SSH access between servers using key pairs is a secure and efficient way to manage remote connections. This guide will walk you through generating SSH keys on your local machine and then using them to enable passwordless login to the destination server using ssh-copy-id. Let’s Get Started Step …
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Ensuring your pfSense firewall is up-to-date is crucial for maintaining security and performance. While the graphical user interface (GUI) is the preferred method for most updates, sometimes issues arise, such as upgrading from version 2.7.0 to 2.7.1. This guide will walk you through updating pfSense via the command line to …
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Welcome to this guide about pfSense SSH configuration! This tutorial will walk you through enabling SSH on your pfSense, adding authorized keys, and securing your private key. About pfSense pfSense, based on version CE 2.7.0, is a robust open-source firewall and routing software designed to provide security, reliability, and advanced …
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Jenkins, a popular open-source automation server, is a powerful tool for automating various tasks in the software development and delivery process. One common use case is automating URL testing, and in this blog post, we’ll explore a Jenkins Pipeline script designed to iteratively test a series of web pages by …
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