kubectl get pods

1. How do you get pods in Kubectl?
2. How do I get POD details in Kubernetes?
3. How do I get POD status?
4. How do you see the pods in a pod?
5. What is difference between POD and container?
6. What is a pod in Kubernetes?
7. How do I get a pod UID?
8. What is POD in cloud?
9. Why do pods restart?
10. What is a pod in OpenShift?
11. How do you fix a pod problem?
12. How do you start a pod in OpenShift?

How do you get pods in Kubectl?

List all Container images in all namespaces

1. Fetch all Pods in all namespaces using kubectl get pods --all-namespaces.
2. Format the output to include only the list of Container image names using -o jsonpath=.. image . ...
3. Format the output using standard tools: tr , sort , uniq. Use tr to replace spaces with newlines.

How do I get POD details in Kubernetes?

The most common operations can be done with the following kubectl commands:

1. kubectl get - list resources.
2. kubectl describe - show detailed information about a resource.
3. kubectl logs - print the logs from a container in a pod.
4. kubectl exec - execute a command on a container in a pod.

How do I get POD status?

To view the pods in a project:

1. Change to the project: $ oc project <project-name>
2. Run the following command: $ oc get pods. For example: $ oc get pods -n openshift-console NAME READY STATUS RESTARTS AGE console-698d866b78-bnshf 1/1 Running 2 165m console-698d866b78-m87pm 1/1 Running 2 165m.

How do you see the pods in a pod?

1. If you want to see the json output, use kubectl get pods -o json . – janetkuo Nov 25 '15 at 22:56.
2. If you're working with a specific pod, the command is kubectl get pods kube-dns-q2oh6 -o jsonpath=.spec.containers[*].name – Charles L. Nov 30 '15 at 17:45.
3. The OP was for one specific pod – Oliver Dec 3 '20 at 13:10.

What is difference between POD and container?

“A container runs logically in a pod (though it also uses a container runtime); A group of pods, related or unrelated, run on a cluster. A pod is a unit of replication on a cluster; A cluster can contain many pods, related or unrelated [and] grouped under the tight logical borders called namespaces.”

What is a pod in Kubernetes?

Pods are the smallest, most basic deployable objects in Kubernetes. A Pod represents a single instance of a running process in your cluster. Pods contain one or more containers, such as Docker containers. When a Pod runs multiple containers, the containers are managed as a single entity and share the Pod's resources.

How do I get a pod UID?

2 Answers

1. Use kubectl jsonpath. To get a specific pod's UID: $ kubectl get pods -n <namespace> <pod-name> -o jsonpath='.metadata.uid' $ kubectl get pods -n kube-system kubedb-66f78 -o jsonpath='.metadata.uid' 275ecb36-5aa8-4c2a-9c47-d8bb681b9aff⏎
2. Use kubectl custom-columns. ...
3. Use Unix/Linux command grep.

What is POD in cloud?

From Wikipedia, the free encyclopedia. A point of delivery, or PoD, is "a module of network, compute, storage, and application components that work together to deliver networking services. The PoD is a repeatable design pattern, and its components maximize the modularity, scalability, and manageability of data centers. ...

Why do pods restart?

OOM(Out of Memory) Kill. This is one of the common reason of restarting container which happens the resource usage is not configured or application itself behaves unpredictable. If we have allocated 600Mi of memory for a container and it tries to allocate more than this limit, the pod will be killed with OOM.

What is a pod in OpenShift?

OpenShift Online leverages the Kubernetes concept of a pod, which is one or more containers deployed together on one host, and the smallest compute unit that can be defined, deployed, and managed. Pods are the rough equivalent of a machine instance (physical or virtual) to a container.

How do you fix a pod problem?

Resolving CocoaPods issues in React Native project

1. Configure CocoaPods Dependencies. Make sure that you have referred to the official docs on how to configure Cocoapods dependencies.
2. Update pod repository. There is a possibility that your local pod repository is out-of-date. ...
3. Verify Xcode's active dev directory path. ...
4. Assign command-line tools. ...
5. Be smart! ...
6. Be careful!

How do you start a pod in OpenShift?

If you want to do it using GUI :

1. Login to ocp.
2. Click workloads -> Deployment Configs.
3. Find the pod you want to restart.
4. On the right side, click on the 3 dots.
5. Click start rollout.