Introduction Have you ever found yourself needing to clear the contents of a file in Linux, but without actually deleting the file itself? Perhaps a rapidly growing log file is eating up disk space, or you need to reset a temporary data file for an application without...
Introduction Do you ever find yourself typing long, cumbersome SSH commands, replete with usernames, IP addresses, and obscure port numbers? We've all been there. It's a recipe for typos, frustration, and wasted time. But what if I told you there's a secret weapon in...
Introduction If you've felt overwhelmed by the Ansible playbooks, Bash scripts, or Python snippets in my previous blogs—don’t worry. This time, we’re focusing solely on the sshd_config file for SSH hardening and configuration. No complex automation, just...
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...
🔐 Are you still juggling dozens of passwords, or worse, reusing the same ones?As IT professionals, we manage sensitive systems and data daily. Yet, password mismanagement remains one of the biggest security risks. A compromised password can lead to devastating...