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Quick Tip - SSH Server, Client & Authorized Key Configurations for ESXi 8.0 Update 2 and later

10.14.2024 by William Lam // 4 Comments

The general best practice is to disable SSH on your ESXi host by default and if/when you need access, you can turn it on temporarily and disable it when you have completed your task.

For users that need to modify the default SSH configurations whether that is on the server side, client side or setting up SSH authorized keys, this was historically accomplished by manipulating the various SSH configuration files and then reloading the service, if applicable.

With the introduction of the ESXi Configuration Store in vSphere 7.0 Update 1, the process is now different with ESXi 8.0 Update 2 and later for services that requires a configuration file to run such as SSH, NTP or SNMP to name a few.

[Read more...]

Categories // Automation, ESXi Tags // configstorecli, ESXi, ssh, ssh keys

Quick Tip - Using PowerCLI to query VMware Tools Configuration at scale 

10.11.2024 by William Lam // Leave a Comment

One of the most powerful and versatile VM management capability in vSphere is the Guest Operations API, providing a rich set of operations from transferring files to/from the guest to running commands directly on the guest as if you were logged in!

An easy way to consume the Guest Operations API is via PowerCLI and using the Invoke-VMScript cmdlet, which I have extensively written about, showcasing all the creative ways this can be used to solve various automation challenges.

I recently came across a Reddit thread where the OP wanted to check to query for a specific VMware Tools configuration as part of the vSphere Security Configuration Guide and was looking for some help as logging into each and every system did not seem like a good idea, which it is NOT! 🙂

Any time you have a use case where you need to scale a specific operation (reading or writing) a change, you should consider Guest Operations API, you can easily use a single API to perform this operation at scale!

[Read more...]

Categories // Uncategorized Tags // guest operations, PowerCLI, vmware tools

Updated Dashboard for VMware Community Homelabs using Dashimo

10.09.2024 by William Lam // 1 Comment

While working on some data analysis for an internal project, I was looking for a better way to summarize and provide some visualizations of the raw data for better consumption.

I also wanted to automate this process, so that I could easily build reports or dashboards regardless of the frequency of requests and/or dataset size. After a bit of searching, I came across a very awesome PowerShell Module called Dashimo, which builds on top of another PowerShell Module called PSWriteHTML, which provides a framework for creating HTML reports.

After playing around with Dashimo over the weekend and successfully using it for my internal project, I thought I would update the dashboard I provide today for the VMware Community Homelabs Project, where users from our community can submit their VMware Homelab BOM (Build of Materials) that can benefit the broader community.

I really like the simplicity and ease of use that Dashimo provides and the dashboards that you can build are all interactive, so it is not just a static image. For those interested in seeing Dashimo in action or if you want to check out the new dashboard for the VMware Community Homelabs, you can access it at: https://lamw.github.io/homelab/

Categories // Home Lab Tags // homelab, powershell

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William is Distinguished Platform Engineering Architect in the VMware Cloud Foundation (VCF) Division at Broadcom. His primary focus is helping customers and partners build, run and operate a modern Private Cloud using the VMware Cloud Foundation (VCF) platform.

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Recent

  • Ultimate Lab Resource for VCF 9.0 06/25/2025
  • VMware Cloud Foundation (VCF) on ASUS NUC 15 Pro (Cyber Canyon) 06/25/2025
  • VMware Cloud Foundation (VCF) on Minisforum MS-A2 06/25/2025
  • VCF 9.0 Offline Depot using Synology 06/25/2025
  • Deploying VCF 9.0 on a single ESXi host? 06/24/2025

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