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Virtual Geek

Tales from real IT system administrators world and non-production environment

VMware ESXi Unattended Setup: Building a Kickstart-Enabled Custom ISO from Scratch

Why Build a Custom ESXi Kickstart ISO?

Automating ESXi installations eliminates manual configuration errors and accelerates data center scaling. By embedding a Kickstart (KS.CFG) file into your ISO, you achieve:

  • Zero-touch deployments: Install ESXi with preconfigured network settings, …

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How to Upgrade VMware vCenter Server Using Lifecycle Manager (vLCM)

Upgrading your VMware vCenter Server is a crucial part of maintaining a secure and efficient virtualization environment. In this guide, we’ll walk through the process of upgrading a vCenter Server using VMware Lifecycle Manager (vLCM), highlighting each key step with screenshots and best practices…

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From Manual to Automated - Managing Dell iDRAC Power via Redfish API and PowerShell

Managing server power states manually is time-consuming, especially in large-scale environments or remote setups. For IT administrators overseeing Dell PowerEdge servers, automation is key to efficiency. Enter iDRAC (Integrated Dell Remote Access Controller) and the Redfish API—a modern RESTful st…

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Advanced VMware Virtual Machine Disk Mapping HTML Reporting with PowerCLI

While managing large Broadcom VMware environments, understanding how multiple Virtual Machines virtual disks are mapped across datastores, SCSI controllers, and guest partitions is critical for performance tuning, troubleshooting, and capacity planning. Doing this manually is time-consuming and erro…

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GitHub Actions for executing remote SSH commands on Microsoft Windows

The provided code snippets demonstrate a robust CI/CD pipeline for deploying notepad++ using Ansible and GitHub Actions. This setup enables automated deployment of software applications on a Windows virtual machine (VM).

Key Components
Ansible Playbook: The playbook defines tasks for deploying N…

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