Introduction In our previous post, we demonstrated how to set up a basic Ansible demo environment with a control node and a target In the previous post, we built a basic Ansible demo environment with a control node and a target node. Now it’s time to write your first...
Introduction Ansible is an open-source IT automation tool developed by Michael DeHaan and later acquired by Red Hat in 2015. It is designed to simplify automation tasks such as configuration management, application deployment, and orchestration of complex workflows....
Introduction In a previous blog post, I introduced iptables as a foundational tool for Linux firewall management. While understanding the basic syntax is crucial, it's equally important to harden your firewall — reducing your attack surface and enforcing security at...
In the world of cybersecurity, quick action can make all the difference. I've just published a new blog post where I share a practical Python script that temporarily bans and unbans IP addresses on a Linux system. It uses UFW as the primary firewall and falls back to...
💭 Thinking of renewing your Linux certification? Maybe you shouldn’t. Linux fundamentals haven't changed in decades, yet vendors continue to push expensive, recurring certification renewals that don’t reflect real-world skills. I believe it’s time to challenge this...
New Blog Post: OpenSSH – Secure Remote Access, Made Simple Whether you're managing a cloud server, configuring remote access to your homelab, or setting up DevOps workflows, OpenSSH is likely at the core of your toolkit. In my latest blog post, I take a practical,...