Category Archives: Virtualization

Uncovering missing Active Directory subnets with vRealize Log Insight

In a recent post (https://enterpriseadmins.org/blog/virtualization/domain-controllers-and-micro-segmentation/) I described an issue where authentication may not work as desired when Active Directory sites and Services Subnets are not properly defined. There is often a disconnect in large enterprises where network/subnet creation and active … Continue reading

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Domain Controllers and Micro-segmentation

I was recently reminded of the importance of Active Directory Sites and Services as it relates to micro-segmentation. I was working on an engagement where an organization wanted to implement a zero-trust / micro-segmentation policy by default. As part of … Continue reading

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Photon OS 4.0 Grow Filesystem using Logical Volume Management (LVM)

I recently needed to grow the file system on a Linux VM. I remembered writing a post on this before, so I headed here: Unfortunately this previous post assumed a non-LVM disk setup. I needed to increase the size of … Continue reading

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Horizon Virtual Desktop – Non Persistent Ubuntu 20.04

I recently built a new Ubuntu Desktop 20.04 machine to be used as an instant clone golden image for a Horizon 7.13 environment. I kept some notes on the steps I followed on my desktop, but after seeing a funny … Continue reading

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Clone Template to new vCenter

On a recent TAM Lab session (TAM Lab 082) I covered several methods for managing vSphere templates. At the end of the presentation we had a brief bonus method that showed using PowerCLI to clone a template to a different … Continue reading

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