Introduction Secure Shell (SSH) is one of the most widely used protocols for secure remote system administration, providing encrypted communications over potentially insecure networks. Despite its inherent security features, default SSH configurations often prioritize convenience over security. This blog explores SSH hardening through the lens of “what it is,” “why it matters,” and “how to … Read more
Error handling is crucial in shell scripting to ensure smooth execution and better debugging. 👉 https://youtu.be/YGX9pTRSUls?si=wPFoAUsfai8q-0WS Below are various ways to handle errors effectively: 1. Exit Status ($?): => Every command in Linux returns an exit status (0 for success, non-zero for failure). => You can check the exit status using $?. Example: #!/bin/bash mkdir /root/testdir # … Read more
Introduction: Shell scripting is more than just a skill — it’s a superpower for anyone working in IT, DevOps, or software development. Whether you’re automating repetitive tasks, managing production servers, or performing complex system operations, a well-written shell script can save you time, reduce errors, and optimize your workflow. But what separates a novice from … Read more
Introduction: Monitoring processes and systems in Linux is essential for maintaining smooth operation. Linux provides a variety of tools that help track performance, manage resources, and resolve issues before they escalate into bigger problems. In this blog, I will explore some of the most effective commands and techniques to help you monitor and optimize your … Read more
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