Author Archives: brian.wuchner

Monitoring a Raspberry Pi with Telegraf and Aria Operations

Posted on June 13, 2025 by brian.wuchner

I recently set out to configure the open-source Telegraf agent on a physical system in my lab, with the goal of sending telemetry data to Aria Operations. The process for setting this up is documented here: https://techdocs.broadcom.com/us/en/vmware-cis/aria/aria-operations/8-18/vmware-aria-operations-configuration-guide-8-18/connect-to-data-sources/monitoring-applications-and-os-using-open-source-telegraf/monitoring-applications-using-open-source-telegraf/monitoring-applications-using-open-source-telegraf-on-a-linux-platform-saas-onprem.html. Since most of … Continue reading →

Posted in Lab Infrastructure, Virtualization | Leave a comment

Cleaning Up Orphaned Tag Associations in vCenter

Posted on June 7, 2025 by brian.wuchner

I was recently made aware of a KB article titled “Tag associations are not removed from vCenter Server database when associated objects are removed or deleted” (https://knowledge.broadcom.com/external/article?articleNumber=344960). The article includes a script that removes orphaned tag assignments left behind in … Continue reading →

Posted in Scripting, Virtualization | Leave a comment

Centralized Startup Scripting for Automated VM Load Testing

Posted on May 27, 2025 by brian.wuchner

When building or troubleshooting infrastructure, it is often useful to simulate high CPU or memory usage withou deploying full production workloads. To assist with this, I previously created a few purpose built, like cpubusy.sh and memfill.sh. Historically, I created multiple … Continue reading →

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Using GuestStore to Deliver Content to Network-Isolated VMs in vSphere

Posted on May 21, 2025 by brian.wuchner

When working with VMs that lack network connectivity, transferring files can be tricky. I recently explored the GuestStore feature a built-in vSphere feature that solves this challenge by allowing file delivery via VMware Tools—even without a network. This post walks … Continue reading →

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Comparing Installed Packages on Photon OS Using PowerShell and SSH

Posted on May 1, 2025 by brian.wuchner

When debugging inconsistencies between Photon OS systems, say one is failing and another is stable, it’s useful to compare their installed package versions. In one recent case, I needed a quick way to do just that from my admin workstation. … Continue reading →

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