vSphere

Introduction PowerCLI is the official command-line toolkit from VMware. It extends PowerShell with over 700 cmdlets to manage vSphere, vCenter, ESXi, vSAN, NSX, and more. If you are new to VMware automation, PowerCLI is your entry point. This beginner’s guide covers: What is PowerCLI? PowerCLI is a set of VMware modules for PowerShell that allow … Read more

Introduction In multi-site or enterprise VMware environments, admins often manage more than one vCenter. Manually switching between vCenters slows automation. PowerCLI allows you to connect to multiple vCenters simultaneously and run queries or scripts across all of them. In this article, you will learn to: Step 1: Define Your vCenter Servers $vCenters = @(“vcenter-dfw.lab.local”, “vcenter-nyc.lab.local”, … Read more

Introduction VMware offers multiple tools for automation and remote management. Two of the most popular are PowerCLI and vSphere CLI (vCLI). While both allow scripting and automation, they differ in syntax, architecture, and scope. Choosing the right tool depends on your task, skillset, and environment. In this article, you’ll learn: What is PowerCLI? PowerCLI is … Read more

Introduction VM tags in vSphere are a powerful way to organize, classify, and apply policies to virtual machines. But without regular audits, environments become inconsistent, and tag drift leads to automation breakdowns. PowerCLI lets you query, sort, and export tag data at scale. In this article, you’ll learn how to: Step 1: List All Available … Read more

Introduction PowerCLI is powerful when used interactively, but it becomes transformative when scheduled. From snapshot audits to VM reports, regular automation increases consistency and saves time. You can schedule any PowerCLI script using native tools like Windows Task Scheduler or cron in Linux/macOS environments. In this article, you will learn to: Step 1: Prepare a … Read more

Introduction Over time, environments accumulate unused virtual disks and mounted ISOs that consume critical datastore space. Identifying and removing them manually is time-consuming and error-prone. PowerCLI allows you to detect these stale resources and clean them up automatically or in a controlled review process. In this article, you will learn to: Step 1: Find VMs … Read more

Introduction Over time, environments accumulate unused virtual disks and mounted ISOs that consume critical datastore space. Identifying and removing them manually is time-consuming and error-prone. PowerCLI allows you to detect these stale resources and clean them up automatically or in a controlled review process. In this article, you will learn to: Step 1: Find VMs … Read more

Introduction Whether you are preparing for an audit, building an inventory system, or handing off documentation, exporting a list of all VMs is one of the most common tasks for any vSphere administrator. PowerCLI allows you to automate this process and include exactly the metadata your team or auditors need. In this article, you will … Read more

Introduction Snapshots are a powerful tool in any vSphere environment, but unmanaged snapshots can consume storage, degrade performance, and cause backup failures. Manually reviewing snapshots across hundreds of VMs is inefficient. PowerCLI provides full visibility and control over snapshot lifecycle management. In this article, you’ll learn to: Step 1: List All Snapshots in vCenter Get-VM … Read more

Introduction In disaster recovery planning, power loss, HVAC failure, or critical hardware degradation may require a controlled shutdown of virtual infrastructure. Manually powering down hundreds of VMs is slow and error-prone. With PowerCLI, you can automate this process and ensure consistent execution during stressful events. This article shows you how to: Step 1: Connect to … Read more

Introduction Installing PowerCLI is the first step toward automating your VMware environment. But with newer platforms like PowerShell Core, cross-platform usage, and module updates pushed to the PowerShell Gallery, the process can vary slightly depending on your OS. In this article, you’ll learn: Prerequisites Step 1: Install PowerCLI on Windows Open PowerShell as Administrator: Install-Module … Read more

Introduction PowerCLI is the command-line toolkit that turns VMware administrators into automation professionals. Whether you are troubleshooting issues, deploying new workloads, or auditing your environment, knowing the right commands makes your workflow faster and more reliable. This article covers the top 25 PowerCLI commands that every vSphere admin should know. These are organized into categories: … Read more

Introduction Infrastructure teams spend hours each week chasing repeatable issues: old snapshots, invalid VMs, disconnected hosts, and unused templates. Many of these problems can be detected and remediated with PowerCLI. By automating checks and responses, you reduce manual effort and improve environment stability. In this article, you’ll learn how to: Step 1: Detect and Remove … Read more

Introduction Content libraries centralize VM templates, ISO images, OVFs, and scripts, allowing consistent deployments across vCenters and sites. Managing these manually can result in version drift and deployment delays. PowerCLI provides a way to automate content library workflows, ensuring that your libraries are always synchronized and deployment-ready. In this article, you’ll learn how to: Step … Read more

Introduction Large enterprises often operate multiple vCenters across geographies or business units. Without a federated interface, managing them can be cumbersome. PowerCLI provides a way to automate configuration, audit, and reporting tasks across all vCenters simultaneously by chaining or parallelizing sessions. In this article, you’ll learn how to: Step 1: Define Multiple vCenter Targets Create … Read more

Introduction Maintaining compliance with frameworks like NIST 800-53, CIS Benchmarks, and internal security baselines is a critical responsibility. Manual validation introduces errors and slows down audits. PowerCLI allows you to automate configuration checks and generate exportable reports for compliance validation. In this article, you will: Step 1: Audit Host Services Get-VMHost | Get-VMHostService | Select … Read more

Introduction Security-sensitive workloads often require encryption at rest and support for virtual TPM (vTPM) devices. These features are built into vSphere and can be automated using PowerCLI. This article shows how to encrypt virtual machines, manage encryption policies, configure vTPM devices, and validate encryption status programmatically. Topics include: My Personal Repository on GitHub VMware Repository … Read more