KCKrishna Chaudharyinkrishnadev.hashnode.dev·Jun 9 · 3 min readDays 3-7: Linux System Administration, Service Management, and Deploying NGINX | #100DaysOfDevOpsWelcome to the end of my first week on the #100DaysOfDevOps journey! Days 3 through 7 were heavily focused on solidifying core Linux administrative skills. While I spent some time revising our previou00
KCKrishna Chaudharyinkrishnadev.hashnode.dev·Jun 2 · 3 min readDay 2 of #100DaysOfDevOps: Demystifying SSH, Bastion Hosts, and Server Security 🚀Welcome to Day 2 of my #100DaysOfDevOps journey! Building on our cloud and Linux fundamentals from Day 1, today was all about one of the most critical tools in a DevOps engineer's daily toolkit: SSH. 00
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev·Apr 19 · 3 min readDay 14a – Networking FundamentalsToday 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,00
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev·Apr 19 · 1 min readDay 14d –What Really Happens When You Hit a URL (Step-by-Step)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 Background00
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev·Apr 19 · 3 min readDay 14c –Where HTTP, TCP, IP Actually Sit (Layer Mapping Simplified)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 Word00
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev·Apr 19 · 4 min readDay 14b –TCP and UDPThis 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 actu00
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev·Apr 19 · 5 min readDay 14f –Mini Task: Port Probe & InterpretationThis 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 yo00
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev·Apr 19 · 21 min readDay 14e –How to Debug Network Issues Like a DevOps EngineerThis 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:00
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev·Apr 17 · 9 min readUnderstanding Linux Storage & AWS EBS (With LVM)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 # modern00
MSmalathi shettyin90-days-devops-with-shubham.hashnode.dev·Apr 17 · 5 min readLinux LVM LabLearning 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) Create00
