Category Archives: Lab Infrastructure

Creating a Two Factor Authentication Server

Posted on July 3, 2020 by brian.wuchner

This post will cover building a two factor authentication provider using RADIUS and Google Authenticator. This is an update to a post from over three years ago. The basic configuration is roughly the same, there are just a few minor … Continue reading →

Posted in Lab Infrastructure | 2 Comments

Lab Updates: Ubuntu Server 20.04 LTS Template

Posted on July 3, 2020 by brian.wuchner

Earlier this year I posted a thread on creating an Ubuntu Server 18.04 LTS Template for use in a lab. You can check that out here: https://enterpriseadmins.org/blog/virtualization/lab-updates-ubuntu-18-04-template/ In late April of this year (2020) Canonical released a new Ubuntu 20.04 … Continue reading →

Posted in Lab Infrastructure, Virtualization | 2 Comments

Which Linux Template?

Posted on May 29, 2020 by brian.wuchner

I was recently showing someone my homelab and they noticed that I had templates for multiple Linux distributions including Ubuntu Server, Photon OS, and Tiny Core, as well as different versions of each. They asked why I didn’t standardize on … Continue reading →

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Scripts to max out CPU and Memory

Posted on March 2, 2020 by brian.wuchner

Most of the time we want our virtual machines to run as optimally as possible. We don’t want to see CPU contention or high memory conditions. However, on occasion we may want to have some stress to see what that … Continue reading →

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Lightweight VM for testing – TinyCore Linux

Posted on February 29, 2020 by brian.wuchner

I’ve often found the need to have a very small VM for testing. Some use cases would be testing if a DHCP scope was working, to verify if a VM port group was correctly configured, to confirm if a site-to-site … Continue reading →

Posted in Lab Infrastructure | 5 Comments