Feb 26 · 5 min read · Security incidents rarely hinge on a single catastrophic bug. More often, they emerge from layered design shortcuts — each individually survivable, but collectively fatal. This case study examines a r
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Dec 17, 2025 · 6 min read · Introduction Malware protection on Linux servers is often overlooked, especially in enterprise environments where systems host critical applications, databases, and shared storage. While Linux is inherently secure, it is not immune to malware, ransom...
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Dec 14, 2025 · 5 min read · Purpose This document explains how Linux manages files, users, groups, and permissions. These concepts are critical for system security, access control, and reliable application operation in DevOps en
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Nov 22, 2025 · 32 min read · Welcome back! 👋 Day 17 of the 100 Days Cloud DevOps Challenge, and today we're stepping into the world of databases! The development team is ready to deploy a new application, but there's a catch - they need a PostgreSQL database configured and read...
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Nov 19, 2025 · 9 min read · 👋 Welcome Back to Day 14 of the 100 Days Cloud DevOps Challenge! Today’s challenge was one of the MOST realistic production-like incidents I’ve faced in this journey so far. This wasn’t just a simple Apache restart.This wasn’t just another firewall ...
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Nov 18, 2025 · 6 min read · Welcome back! 👋 Day 13 of the 100 Days Cloud DevOps Challenge, and today we’re diving into a security incident that could’ve exposed our application to the entire internet. This time it’s not a downed database… but something equally dangerous:🔓 An ...
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Nov 5, 2025 · 2 min read · After Successfully installing Ubuntu in Vbox We will get info about what is the libpam-pwquality package. It looks like it was pre-installed in Ubuntu 22 As we can see, it is already installed, so we will try installing it again, and it will a...
Join discussionSep 15, 2025 · 6 min read · TCP/IP, DNS, Load Balancing, HA, and Hybrid Networking is at the heart of every IT infrastructure. Whether you’re running web servers, databases, or distributed applications, networking components like TCP/IP, DNS, load balancing, high availability (...
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