Minikube – Addons

Hi All, This is part 4 of Minikube Series on DevOpsSchool.com. Minikube is feature loaded which gives us liberty to…

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Minikube Exposing Kubernetes workload from EC2 Instance.

Part 1 – Step by step guide on MINIKUBE installation on EC2 instance can be found here, Folks in this…

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Minikube Installation On EC2

Kubernets’s is a demanding technology and needs lots of hands on and through practise to master it. Luckily we have…

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Kubernetes Interview Questions and Answer Part – 8

What is the primary application transport mechanism for the Kubernetes API Server? Server side RPC calls Javascript over WebSockets TCP…

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Kubernetes Interview Questions and Answer Part – 7

What is the main reason why the Ingress API has not been developed beyond its original specification? It was delivered…

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Kubernetes Interview Questions and Answer Part – 6

Which of the following is correct about Kubernetes Pods? Pods can only contain a single VM Pods can only contain…

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Kubernetes Interview Questions and Answer Part – 5

Which of the following describes the fundamentals of Kubernetes Pod networks? Each Pod gets a unique routable IP on the…

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Kubernetes Interview Questions and Answer Part – 4

Which of the following best describes Kubernetes from a licensing standpoint? Proprietary technology under a subscription license from Google, Inc…

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Deep dive into Kubernetes Taint with node

Follwing are workload which run in a cluster’s node…. DaemonSet Deployment Pod ReplicaSet ReplicationController StatefulSet When you submit a workload,…

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Kubernetes Configmap explained using example

Content of reverseproxy.conf Commands to execute to create configmap Example pod using configmap Validating configmap inside a pod

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How to expose multiple port in services in kubernetes or Multi-Port Services

You have two options: You could have multiple services, one for each port. As you pointed out, each service will…

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How to setup Kubernetes clustors in HTTP Proxy corporate environment

HTTP Proxy corporate environment for kubernetes can be fixed by including all my cluster node IPs in NO_PROXY and using…

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kubernetes-yaml

Kubernetes – How to Generate yaml files to produce the existing kubernetes resources of cluster?

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kuberentes-faq

Kubernetes FAQ

Question 1 – Add containers to a Kubernetes pod on runtime or Allow containers to be added to a running…

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How to delete/remove/clean existing corrupted or old kubeadm kubernetes clusters setup?

RHEL / Centos Ubuntu How to remove or cleanup kubernetes worker nodes in Centos 7? How to remove or cleanup…

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Setting up Kubernetes Clusters using Kubeadm Manual way in RHEL 7 / Centos7

What is Kubeadm? Kubeadm helps you bootstrap a minimum viable Kubernetes cluster that conforms to best practices. Kubeadm is a…

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Setting up Kubernetes Clusters using Kubeadm Manual way in Ubuntu 16.04 Xenial

What is Kubeadm? Kubeadm helps you bootstrap a minimum viable Kubernetes cluster that conforms to best practices. Kubeadm is a…

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Kubernetes Errors: weave-net pod CrashLoopBackOff

Errors Solutions https://stackoverflow.com/questions/39872332/how-to-fix-weave-net-crashloopbackoff-for-the-second-node

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Kubernetes Errors: Kubernetes nodes are in ‘”network not ready” & “No networks found”

Errors Solutions https://stackoverflow.com/questions/47107117/how-to-debug-when-kubernetes-nodes-are-in-not-ready-state https://stackoverflow.com/questions/50085323/kubernetes-worker-node-staying-in-notready-state

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Kubernetes Error: kubeadm related errors and solutions

Error 1 Error 1 Error 2 Error 3 Solutions 3 Error 4 Solutions 4

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Kubernetes Errors: Kops related errors

Error 1 Error 2 Error 3 Error 4

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Kubernetes Error: coredns – no route to host log & Failed to list & CrashLoopBackOff

Errors Solutions

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kubeadm error – kubelet isn’t running or healthy and connection refused

Errors Headlines Initial timeout of 40s passed dial tcp [::1]:10248: connect: connection refused failed with error: Get http://localhost:10248/healthz The kubelet…

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Kubernetes supports Windows containers

With the release of Kubernetes v1.14, Windows Server node support has officially graduated from beta to stable! This support enables…

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Kubernetes Error – minikube – A firewall is likely blocking minikube from reaching the internet

If you are trying a start in minikube behind a firewall and getting following errors Solutions You need to set…

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EKS cluster setup error: the server doesn’t have a resource type “services

When an Amazon EKS cluster is created, the IAM entity (user or role) that creates the cluster is added to…

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PersistentVolume, PersistentVolumeClaim, volumes using hostPath

pv.yaml $ kubectl create -f pv.yaml $ kubectl get pv pvc.yaml $ kubectl create -f pvc.yaml $ kubectl get pvc…

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Working with Kubernetes Cluster using Kubectl Part – 11 – Probes

container-probes.yaml Commands

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Working with Kubernetes Cluster using Kubectl Part – 10 – Pods Life Cycle

pod-restart-policy.yaml

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Working with Kubernetes Cluster using Kubectl Part – 9 – Multi Containers Pods

multicontainer-pod.yaml

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