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Guided Exercise: Liveness, Readiness, and Startup Probes

In this exercise, you will configure liveness and readiness probes to monitor the health of an application deployed to your … See more

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URL: https://kubebyexample.com/learning-paths/application-development-kubernetes/lesson-4-customize-deployments-application-3

Guided Exercise: Create and access a virtual machine in KubeVirt

WEBThis guided exercise will familiarize the reader with commands used to create, start, connect to, stop, and delete a simple virtual machine.

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Kubernetes Health Checks & Probes Kube by Example

WEBIn the pod specification we've defined the following: livenessProbe: initialDelaySeconds: 2. periodSeconds: 5. httpGet: path: /health. port: 9876. The configuration above tells …

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Liveness, Readiness, and Startup Probes Kube by Example

WEBHTTP probe uses GET requests to check the health of an application. The check is successful if the HTTP response code is in the range 200-399. The following example …

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Add Health Checks Kube by Example

WEBKubernetes, and a number of other cloud deployment technologies, provide Health Checking as a system that allows the cloud deployment technology to monitor the …

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Liveness Probes Kube by Example

WEBLiveness Probes. Building on the knowledge in the previous video about Readiness Probes, in this video, users learn how to set up a Liveness Probe. Essentially acting as a health …

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Guided Exercise: Exposing Applications for Internal Access

WEB1) Deploy the name-generator app in the username -dev namespace. 1.1) Open a command-line terminal. In the DO100-apps repository, navigate to the name-generator …

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Kubernetes CLI with kubectl Kube by Example

WEBFollow step-by-step lessons to go from open source beginner to active contributor with high-impact projects.

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Getting Started With Kubernetes Namespaces Kube by Example

WEBTo list namespaced objects, such as our pod podintest, pass the --namespace variable to the get call: kubectl get pods --namespace=test. You can remove the namespace (and …

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Limiting Resource Usage Kube by Example

WEBThe following command sets the same requests and limits as the preceding example: [user@host ~]$ kubectl set resources deployment hello-world-nginx \. --requests …

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Istio Ingress Control Kube by Example

WEBIstio Ingress Control. Istio implements the Kubernetes ingress resource to expose a service and make it accessible from outside the cluster. Note. The general recommendation is to …

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Running on Kubernetes Kube by Example

WEBkubectl get pods. You should see output similar to the following (the exact name of the pod will vary): getting-started-6cc5b7f575-kszx8 1/1 Running 0 47m. If you're using …

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Argo CD Deploying an Application Kube by Example

WEBYou can setup Argo CD to automatically correct drift by setting the Application manifest to do so. You can run kubectl edit application test -n argocd and set the following …

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Interacting directly with the API Kube by Example

WEBUse the `--v` flag to set a verbosity level. This will allow you to see the request/responses against the Kubernetes API: kubectl get pods --v=8. Use the `kubectl proxy` command to …

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Persistent Volumes Kube by Example

WEBA persistent volume (PV) is a cluster-wide resource that you can use to store data in a way that it persists beyond the lifetime of a pod. The PV is not backed by locally-attached …

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Persistent Storage for Virtual Machines Kube by Example

WEBPersistent Storage for Virtual Machines. Previous examples have used a small virtual machine running the CirrOS operating system. This virtual machine uses a containerdisk …

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Migrating to Kubernetes with Open Source Tools Kube By Example

WEBHere are the three open source tools we focus on: Tackle helps you streamline your applications to Kubernetes by assessing your applications to get …

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Istio Traffic Management Kube by Example

WEBThe default ingress gateway has the istio=ingressgateway label applied. The servers section is a list of host and ports that are matched against incoming HTTP traffic. The …

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Kubernetes Liveness, Readiness & Startup Probes Kube by Example

WEBObjectives. Leverage how to avoid applications overusing system resources. Review how Kubernetes evaluates application health status via probes and automatic application …

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