Category: Virtualisation
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How I Use GitOps and Packer to Streamline Server Template Creation in My Proxmox Homelab
Homelabs are a great place to create and try out new technologies. The last thing you want it so spend all your time setting up in the infrastructure and getting it configured rather than actually learning or exploring the new technology. One of the main aim I have within my…
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Automate Infrastructure as Code: Fedora Server Template Deployment with Packer in Proxmox
In this post we are going to go over how you can use HashiCorp Packer to automatically build and create a template of Fedora server within Proxmox. This is a way that you can move your virtualised infrastructure to Infrastructure as Code (IaC). When I first wanted to do this…
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Understanding The Underlying Linux Container Isolation Technologies
Introduction In today’s post, we are going to go through some of the technologies within Linux that are working behind the scenes to help containers work. The main focus of the post is to go through how a container is isolated from the host machine. Section I – What is…
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How To Resolve Docker Compose Launching Python Modules Errors
Introduction In this post, we are going to go over a seemingly very annoying error when trying to start a Docker container using Docker Compose. For reference I ran into this error on a freshly build Fedora Linux Server image that I had just installed Docker and Docker Compose on.…
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Self Hosted Password Manager Using Docker
Time to read: In this post we are going to cover how to use Docker compose to build a self hosted password manager. I will be using VaultWarden as the password manager in container form with Nginx acting as a reverse proxy in front of the password manager again in…
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VMware Linked vCenter Server Appliance Snapshot and Rollback Best Practise
Time to read: In this post we are going to go over the best practises for taking a snapshot of a 2 VMware vCenter Server Appliance (VCSA) instances that are in enhanced linked mode. NOTE: This post does not go into a “how to” of taking a VCSA snapshot, instead…
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VMware vCenter Server – Cannot Complete License Assignment Operation
Time to read: In this post we are going to go over a potential solution to not being able to add a VMware ESXi host to vCenter Server because it cannot complete the license assignment operation. For reference my VMware set up is version 7 with 2 vCenter Server Appliances…
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VMware vCenter Server Can’t Start VM – Virtual Machine not Compatible with any Host
Time to read: In this post we are going to go over a quick fix for not being able to start a Virtual Machine (VM) through vCenter Server Appliance (VCSA). I will preface my solution by saying this is a quick way to get the VM going and probably not…
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VMware vCenter Server Services Won’t Start after Powering Down With HA Enabled
Time to read: In this post we are going to go over a common issue with VMware vCenter Server Appliance (VCSA) where when VCSA with High Availability (HA) enabled powers up after being powered off in the incorrect order none of the services will start on any of the VCSA…
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Resolving VMware ESXi Domain Leave Error: User or Group Does Not Exist
Time to read: In this post, we are going to go over the solution to a VMware ESXi host failing to leave a Microsoft Active Directory (AD) domain. SECTION I – The Error When an ESXi host is trying to leave an AD domain and you get the following error…
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