MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev00From Zero to Understanding: DNS, IPs, CIDR, Subnets & Ports4d ago · 14 min read · When I first started learning networking, everything felt overwhelming — DNS, IPs, CIDR, subnets, ports. None of it made sense. But once I broke it down step by step, it all started connecting. UndersJoin discussion
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev00Day 14a – Networking Fundamentals4d ago · 3 min read · Today I practiced networking fundamentals + real troubleshooting workflows across: Local machine EC2 instances External targets like google.com, github.com, and custom domains 👉 In a real-world,Join discussion
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev00Day 14d –What Really Happens When You Hit a URL (Step-by-Step)4d ago · 1 min read · This is Part 4 of the Networking for DevOps series. https://90-days-devops-with-shubham.hashnode.dev/day-14c-where-http-tcp-ip-actually-sit-layer-mapping-simplified What Actually Happens in BackgroundJoin discussion
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev00Day 14c –Where HTTP, TCP, IP Actually Sit (Layer Mapping Simplified)4d ago · 3 min read · This is Part 3 of the Networking for DevOps series. In the previous part, we understood https://90-days-devops-with-shubham.hashnode.dev/day-14b-tcp-and-udp Core Concepts OSI vs TCP/IP (In Simple WordJoin discussion
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev00Day 14b –TCP and UDP4d ago · 4 min read · This is Part 2 of the Networking for DevOps series. In the previous part, we understood https://90-days-devops-with-shubham.hashnode.dev/day-14a-networking-fundamentals Now, let’s see how data is actuJoin discussion
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev00Day 14f –Mini Task: Port Probe & Interpretation4d ago · 5 min read · This is Part 6 of the Networking for DevOps series. https://90-days-devops-with-shubham.hashnode.dev/day-14e-how-to-debug-network-issues-like-a-devops-engineer Step 1: Identify Listening Ports From yoJoin discussion
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev00Day 14e –How to Debug Network Issues Like a DevOps Engineer4d ago · 21 min read · This is Part 5 of the Networking for DevOps series. https://90-days-devops-with-shubham.hashnode.dev/day-14d-what-really-happens-when-you-hit-a-url-step-by-step Hands-on Networking Checks Target Used:Join discussion
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev00Understanding Linux Storage & AWS EBS (With LVM)6d ago · 9 min read · Imagine you are sitting in front of a brand-new Linux machine. No C drive.No D drive.No familiar structure. Instead, you see raw storage devices such as: /dev/xvda # older system /dev/nvme0n1 # modernJoin discussion
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev00Linux LVM Lab6d ago · 5 min read · Learning Resources 📖 Conceptual Understanding:👉 Understanding Linux Storage (AWS EBS + LVM) Learn how to: Add new disk (EBS in AWS) Create Physical Volume (PV) Create Volume Group (VG) CreateJoin discussion
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev00Day 10 – Understanding Linux File Permissions Apr 15 · 3 min read · When I started learning Linux, file permissions always felt confusing. That rwxrwxrwx format looked intimidating at first, but today (Day 10 of my DevOps journey), things finally started making sense.Join discussion