Tag: devops

  • Deploying applications in VKS

    Deploying applications in VKS

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    7–10 minutes

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    Deploy a simple two-tier application In the last post we prepared VKS, and we are now ready to try some more useful applications. Lets start with a two-tier application with a web frontend and a db. First i check if i have a suitable namespace to deploy to.I dont`t, so i create a new one…

  • VKS mgmt vm on Photon 5.0

    VKS mgmt vm on Photon 5.0

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    13–19 minutes

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    In a previous post i configured a supervisor cluster with VPC, and now i am ready to configure the rest and have a mgmt vm i can use with all the right tools. I chose VMware Photon 5.0 that you can find on: https://github.com/vmware/photon/wiki/Downloading-Photon-OS It`s an ova, so easy to add to your cluster, and…

  • Asymmetric routing after enabling VPC

    Asymmetric routing after enabling VPC

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    3–4 minutes

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    Ok, the VPC and Supervisor was up and running, but when trying to reach the supervisor API server, it was highly unpredictable. Trying to reach the portal i reached it 6 out of 10 times. Something was wrong and i needed a stable portal to be able to setup the endpoint with VCF-CLI. After troubleshooting…

  • Holo-Lab Support files 5.1

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    Looking at the supportfiles for testing in your VCF-lab, we need some support vms, and the source iso is not included in the files. You can download the Ubuntu here: $src = “https://cloud-images.ubuntu.com/releases/bionic/release/ubuntu-18.04-server-cloudimg-amd64.ova”$ova = “ubuntu-18.04-server-cloudimg-amd64.ova” rename to:bionic-server-cloudimg-amd64.ova then put it here in your holo-console vm: c:\users\administrator\downloads\bionic-server-cloudimg-amd64.ova Now you are ready to open the Auto-Lab and…

  • Supervisor cluster vs TKG cluster or both?

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    4–6 minutes

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    We talk about Tanzu, but what are the differences between a supervisor cluster and a TKG cluster? In VMware’s Kubernetes ecosystem, a Supervisor Cluster and a Tanzu Kubernetes Grid (TKG) Cluster serve different but complementary roles. Here’s an overview of each and the key differences between them: VMware Supervisor Cluster Tanzu Kubernetes Grid (TKG) Cluster…

  • Deploying Tanzu Kubernetes Grid with YAML

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    3–4 minutes

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    In another post about automation, i tested the creation of Cloud Templates in Aria Automation using ChatGPT. This can also be done for the kubernetes yaml files. This YAML file describes a TKG workload cluster configuration, using Cluster API (CAPI). Explanation: This YAML configuration creates a Tanzu Kubernetes Cluster named “example-cluster” with one control plane…

  • Holodeck with 2 physical servers?

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    1 node configuration: During setup of the first pod, i found out that the minimum config is exactly that, minimum. If your Holodeck host is configured 60+ cores, 1,5TB memory, and 12TB SSDdisk, no problem, but if not, what then? Mgmt cluster w/Aria: You have a pod ready to go, installed almost all the Aria…