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  • Kubernetes Cheat Sheet for day to day DevOps operations?

    calendar Jan 15, 2022 · 11 min read  ·
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    Kubernetes Cheat Sheet for day to day DevOps operations?

    Note - This Kubernetes Cheat sheet is really long and detailed. I would highly recommend to use CTRL+F from the browser to search for the specific command. Table Of Content Pods Deployments Port Forwarding Service Nodes Namespace Service Accounts Documentation Describing Resources Editing Resources Deleting Resources …


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  • Delete Kubernetes POD stuck in terminating state?

    calendar Dec 8, 2021 · 7 min read  ·
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    Delete Kubernetes POD stuck in terminating state?

    The deletion of the Kubernetes POD depends on many factors, before you execute the kubectl delete pod command you should go through the following checkpoint - Is the container associated with POD still running? Are there any active Kubernetes deployment associated with POD? Check if the POD persistent volume and …


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  • How to Delete PV(Persistent Volume) and PVC(Persistent Volume Claim) stuck in terminating state?

    calendar Dec 7, 2021 · 5 min read  ·
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    How to Delete PV(Persistent Volume) and PVC(Persistent Volume Claim) stuck in terminating state?

    The deletion of PV(Persistent Volume) and PVC(Persistent Volume claim) is pretty much dependent on the Delete reclaim policy. When you are planning to delete the Persistent Volume as well as Persistent Volume Claim then you must follow an order - First delete - Persistent Volume Claim Second delete- Persistent Volume …


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  • Share kubernetes secrets between namespaces?

    calendar Nov 12, 2021 · 4 min read  ·
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    Share kubernetes secrets between namespaces?

    Kubernetes secrets are API objects which can only be referenced by POD, so if you are working in multiple namespaces then you can not share the same kubernetes secrets. Although it is possible to copy the same kubernetes into the desired namespace. Create kubernetes namespace testns1 In this blog post we are going …


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  • How to use Kubernetes secrets?

    calendar Nov 8, 2021 · 10 min read  ·
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    How to use Kubernetes secrets?

    Before we jump onto kubernetes secrets let’s first try to understand What is Secret? - Secret is sensitive information which can not be written in a plain text or shared with others. The best example of Secrets would be the password. But Why do we need to use Kubernetes Secret? - Running a bare minimum kubernetes …


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  • How to delete all kubernetes PODS?

    calendar Oct 24, 2021 · 5 min read  ·
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    How to delete all kubernetes PODS?

    In kubernetes cluster we always creat and delete kubernetes PODS. PODS lifecycle is very short and it is very often that kubernetes creat a replica of a POD to provide maximum availability across the kubernetes cluster. But considering the need, a developer might need to delete POD manually because of POD getting stuck …


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  • kubernetes pods getting recreated?

    calendar Oct 22, 2021 · 7 min read  ·
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    kubernetes pods getting recreated?

    One day I was working with my local kubernetes cluster which I set up using Kubespray and inside my Kubernetes cluster, I was trying to deploy my docker container. Since it was a local Kubernetes cluster so I had done a couple of Kubernetes deployments before also but after each deployment, I was deleting the …


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  • Implementing Kubernetes liveness, Readiness and Startup probes with Spring Boot Microservice Application?

    calendar Oct 8, 2021 · 9 min read  ·
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    Implementing Kubernetes liveness, Readiness and Startup probes with Spring Boot Microservice Application?

    Maintaining a healthy kubernetes cluster is really challenging especially if you have not configured the Liveness, Readiness and Startup Probes correctly for your containers deployed under kubernetes containers. If I have to put in a simple way - Liveness probes - It is responsible for restarting your container, if it …


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  • kubectl export yaml OR How to generate YAML for deployed kubernetes resources

    calendar Feb 25, 2021 · 5 min read · Kubernetes  ·
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    kubectl export yaml OR How to generate YAML for deployed kubernetes resources

    In this post, we are going to see how to get YAML of deployed Kubernetes resources(pvc, configmap, ingress, service, secret, deployment, statefulset, hpa, job, cronjob). Most of the time we create the deployment and expose services inside the kubernetes cluster using YAMLs but here in this the post we will focus on a …


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  • Kubernetes Updates

    calendar Dec 4, 2020 · 3 min read · Kubernetes  ·
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    Kubernetes Updates

    December 04, 2020 Kubernetes is deprecating Docker support and how should you prepare for it? As of December 02, 2020 Kubernetes has announced that going forward Kubernetes is going to deprecate Docker as their preferred container runtime environment. In the DevOps community Docker is considered as a backbone when it …


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Categories

TERRAFORM 45 KUBERNETES 26 DOCKER 22 HELM-CHART 11 AWS 7 BLOGGING 6 SPRING-BOOT 5 SSL 5 QUARKUS 4 GITHUB 3 KUBESPRAY 3 PROMETHEUS-GRAFANA 3 VAGRANT 3 ANSIBLE 2
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ANSIBLE2 AWS7 BLOGGING6 DEVOPS1 DOCKER22 GITHUB3 GRADLE1 HADOOP1 HELM-CHART11 HIBERNATE1 KUBERNETES26 KUBESPRAY3 LINUX-COMMANDS1 NGINX2 PROMETHEUS-GRAFANA3 QUARKUS4 SPRING-BOOT5 SSL5 TERRAFORM45 VAGRANT3
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Series

TERRAFORM 43 KUBERNETES 27 DOCKER 22 HELM-CHART 11 ANSIBLE 2 AWS 2 LINUX-COMMANDS 1

Tags

KUBERNETES 18 HELM-CHART 10 BLOGGING 4 QUARKUS 4 DOCKER 3 GITHUB 3 SSL 3 KUBESPRAY 2 SPRING-BOOT 2 ANSIBLE 1 HADOOP 1 INDEX 1 NGINX 1 TERRAFORM 1

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Rahul Wagh

Its all about Open Source and DevOps, here I talk about Kubernetes, Docker, Java, Spring boot and practices.
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