K8s: Adding Windows and Linux Node

Summary In this Lab we will learn about step by step process for adding Windows Server and Linux Server as Node in existing k8s Cluster Prerequisites   1. A compatible Linux host (Linux distributions based on Ubuntu, Debian and Red Hat) or Windows Server host (Windows Server 2016/2019)   2. 2 GB or more of […]

K8s Lab: Crating Master

Summary In this Lab exercise we will learn step by step process for creating k8s Cluster Prerequisites   1. A compatible Linux host (Linux distributions based on Ubuntu, Debian and Red Hat)   2. 2 GB or more of RAM per machine (any less will leave little room for your apps).   3. 2 CPUs […]

K8s: Pod, Deployment & Services

Summary In this article we will learn about Pod, Replication Controller, Deployment and Services. Perquisite Linux Physical or virtual machine for Master and Linux/Windows physical or virtual machine as Nodes (Minions) PODs:  Atomic unit of deployment and scaling in Kubernetes. POD is ring fenced environment (Sandbox or Namespace) to run Containers. It contains Network Stack, […]

Kubernetes: Master & Minions

Summary In this article we will learn Kubernetes Master and Node (Minions) basic concepts. Perquisite Linux Physical or virtual machine for Master and Linux/Windows physical or virtual machine as Nodes (Minions) Kubernetes : Introduction Kubernetes was designed and developed by Google. In 2014, Google donated Kubernetes to CNCF (Cloud Native Computing Foundation) Kubernetes lives on […]

AKS Lab: Azure Container Instance

Summary In this Lab article we will create Azure Container Instance with Azure Container Registry Image. We will be using this same Azure Container Instance in Azure Kubernetes Cluster Scale Prerequisites Azure subscription for Azure Container Instance, Azure Container Registry and Azure CLI module for Windows Azure Container Instance ACI : Azure Container Instance is […]

AKS Lab: Azure Container Registry

Summary In this Lab article we will create Azure Container Registry and upload Docker image. We will be using this same Azure Container Registry in Azure Container Instance and Azure Kubernetes Cluster Labs Prerequisites Azure subscription for Azure Container registry, Container Image and Azure CLI module for Windows Step by Step process 1. Login to […]

DockerMsftProvider package installation failed

Issue Failed to install docker package with error: install-package : Cannot rename because item at ‘C:\Program Files\dummyName’ does not exist. Symptoms Docker package installation failed with error ” install-package : Cannot rename because item at ‘C:\Program Files\dummyName’ does not exist.” Created ‘dummyName’ folder in location ‘ C:\Program Files\’, still the package installation failed with same […]

Failed to start Containers with error “The wait operation timed out. (0x102)

Issue Container failed to start with error “docker: Error response from daemon: container <id>  encountered an error during Start: failure in a Windows system call: The wait operation timed out. (0x102)” Symptoms: All the windows Containers failed to start with error message: docker: Error response from daemon: container <id>  encountered an error during Start: failure in a […]

Failed to start/stop container, vmcompute.exe service terminates unexpectedly

Issue Failed to perform any activity/task on Container (eg. Stop, Start, Inspect, Exec,…) as Hyper-v Host Compute Service service terminates unexpectedly Symptoms: Failed to perform any activity/task on Container (eg. Start, Stop, Inspect, Exec,….). Container start and stop commands waits on blinking cursor, no output or response In the System Logs observed error: ‘The Hyper-V […]

Unable to uninstall/remove Docker Dev version

Issue Unable to remove/uninstall Docker Dev version from Windows Server Applies to Windows Server 2016/2019 on virtual machine or physical server Symptom Even after uninstalling Docker from Windows Server, dockerd service is still running Failed to install Docker EE (Enterprise Edition) on Windows Server as there is Docker is already running on the host machine […]