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About zafranullah
I specialize in Cloud and DevOps engineering—I architect, automate, and optimize multi-cloud environments across AWS, Azure, VMware, and GCP. From Infrastructure as Code to high-availability container orchestration, I focus on building scalable, cost-efficient, and resilient systems
Posted inIT Storage Technology

Demystifying Storage Controller Modes: AHCI, RAID, and Passthrough Explained

Welcome back to Terminal Notes. If you are provisioning bare-metal servers, designing a homelab, or working with enterprise…
Posted by zafranullah July 23, 2026
Posted inIT Technology

Ultimate Guide to Windows Server DFS: Namespaces, Replication, and Step-by-Step Setup

If you manage multiple file servers, you know the headache of mapping network drives for users. Every time…
Posted by zafranullah July 8, 2026
Posted inIT Storage Technology

Inside the Dell EMC Metro Node (MN-114): Architecture & Hardware Deep Dive

Welcome back to Terminal Notes. When engineering multi-site cloud and on-prem architectures, achieving true high availability (HA) is…
Posted by zafranullah June 3, 2026
Posted inIT Storage Technology

Decoding Enterprise Optics: SAN vs. Network SFPs & Latest Trends

Welcome back to Terminal Notes. If you’ve spent any time racking enterprise servers or configuring storage arrays, you’ve…
Posted by zafranullah June 2, 2026
Posted inDevOps IT

The Ultimate Git Command Cheat Sheet

Whether you are spinning up a new project or untangling a messy merge conflict, Git is the backbone…
Posted by zafranullah June 1, 2026
How Flask handles templates versus static files
Posted inIT Technology

How Flask handles templates versus static files

If you are getting this error: AttributeError: 'function' object has no attribute 'html' In Flask, there is no…
Posted by zafranullah May 22, 2026
Posted inStorage Technology

Part 1: Storage Fundamentals – Media, Pools, and Provisioning

Hello all! Welcome to the start of our comprehensive guide. Today, we are focusing strictly on the essential…
Posted by zafranullah May 19, 2026
Guide to Brocade SAN Switches: Zoning, ISLs, and CLI Setup
Posted inIT Storage Technology

Guide to Brocade SAN Switches: Zoning, ISLs, and CLI Setup

Welcome back to Terminal Notes. If you spend most of your day deep in Kubernetes manifests, Terraform state…
Posted by zafranullah May 17, 2026
Fixing Orphaned VM Registration Errors in VMware ESXi & vCenter
Posted inIT Programming Technology

Fixing Orphaned VM Registration Errors in VMware ESXi & vCenter

Orphaned virtual machines are a common issue in VMware vSphere environments, especially after storage interruptions, HA failures, vCenter…
Posted by zafranullah May 13, 2026
Flask : Lightweight WSGI Web Application framework
Posted inIT Programming Technology

Flask : Lightweight WSGI Web Application framework

Flask is a "micro" web framework, meaning it’s lightweight and easy to get started with, but it can…
Posted by zafranullah May 12, 2026

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Recent Posts

  • How to Configure a Shared VMDK in VMware vCenter (Multi-writer)
  • Securing Containerized WordPress Against “PHP2Shell” (CVE-2026-109618 & CVE-2026-109619)
  • Troubleshooting NVIDIA vGPU Licensing: The Devil is in the AM/PM Details
  • From Copper Pairs to Light Pulses: Demystifying Access Network Architecture (MDF, DLC, FTTC & GPON)
  • Fixing the “Configuring CI/CD Pipelines as Code with YAML” Lab for AZ-400

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Zafran Ullah

 Computer System Engineer with expertise as Cloud and DevOps Engineering with background in system administration. Also have passion for game development & web development

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Recent Posts

  • How to Configure a Shared VMDK in VMware vCenter (Multi-writer)
    by zafranullah
    October 25, 2026
  • Securing Containerized WordPress Against “PHP2Shell” (CVE-2026-109618 & CVE-2026-109619)
    by zafranullah
    October 21, 2026
  • Troubleshooting NVIDIA vGPU Licensing: The Devil is in the AM/PM Details
    by zafranullah
    October 11, 2026
  • From Copper Pairs to Light Pulses: Demystifying Access Network Architecture (MDF, DLC, FTTC & GPON)
    by zafranullah
    September 20, 2026

Categories

  • 3D Modeling
  • AI
  • Azure
  • DevOps
  • Game
  • Godot
  • IT
  • Programming
  • Storage
  • Technology
  • Telecommunications
  • Unity3D
  • Web Development
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application Configurations Devops ESXi issues Storage SysAdmin Tech Technology Tips VMware

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About Zafran Ullah's Terminal Notes

"Bridging the gap between raw hardware and resilient cloud infrastructure." Practical insights on system administration, Linux, DevOps, and cloud engineering.

  • Facebook
  • Twitter
  • Instagram
  • LinkedIn
  • YouTube
  • Pinterest
Categories
  • 3D Modeling
  • AI
  • Azure
  • DevOps
  • Game
  • Godot
  • IT
  • Programming
  • Storage
  • Technology
  • Telecommunications
  • Unity3D
  • Web Development
  • How to Configure a Shared VMDK in VMware vCenter (Multi-writer)
    by zafranullah
    October 25, 2026
  • Securing Containerized WordPress Against “PHP2Shell” (CVE-2026-109618 & CVE-2026-109619)
    by zafranullah
    October 21, 2026
  • Troubleshooting NVIDIA vGPU Licensing: The Devil is in the AM/PM Details
    by zafranullah
    October 11, 2026
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