oc get pods

1. How do you access OpenShift pods?
2. How do you list all pods in OpenShift?
3. How do I get pods in all namespaces?
4. What is POD in OpenShift?
5. What is a pod in Docker?
6. How do you check a pod?
7. How do you clear a pod in OpenShift?
8. How do I assign a node pod?
9. How do you scale down a pod in OpenShift?
10. How many pods are in a pod?
11. How do you stop a pod?
12. How do I know which node pods are running?

How do you access OpenShift pods?

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 list all pods in OpenShift?

Listing pods on a node in your cluster

1. To list all or selected pods on one or more nodes: $ oc describe node <node1> <node2> For example: $ oc describe node ip-10-0-128-218.ec2.internal.
2. To list all or selected pods on selected nodes: $ oc describe --selector=<node_selector> $ oc describe -l=<pod_selector> For example:

How do I get pods in all namespaces?

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.

What is 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.

What is a pod in Docker?

In terms of Docker concepts, a Pod is similar to a group of Docker containers with shared namespaces and shared filesystem volumes.

How do you check a pod?

Using kubectl describe pods to check kube-system

If the output from a specific pod is desired, run the command kubectl describe pod pod_name --namespace kube-system . The Status field should be "Running" - any other status will indicate issues with the environment.

How do you clear a pod in OpenShift?

So, let's try the first method by deleting the pod forcefully.

1. Step 1: Delete pod forcefully. $ oc delete pod jenkins-1-deploy -n myproject --grace-period=0 --force. ...
2. Step 2: Remove deletionTimestamp. Before: deletionTimestamp: 2019-01-23T11:40:28Z. ...
3. Step 3: Remove items under metadata. finalizers. ...
4. Step 4: Invoke OpenShift API.

How do I assign a node pod?

Assigning Pods to Nodes

1. Step Zero: Prerequisites. This example assumes that you have a basic understanding of Kubernetes pods and that you have set up a Kubernetes cluster.
2. Step One: Attach label to the node. Run kubectl get nodes to get the names of your cluster's nodes. ...
3. Step Two: Add a nodeSelector field to your pod configuration.

How do you scale down a pod in OpenShift?

Creating a horizontal pod autoscaler for CPU utilization

1. To scale based on the percent of CPU utilization, create a HorizontalPodAutoscaler object for an existing DeploymentConfig: ...
2. To scale based on the percent of CPU utilization, create a HorizontalPodAutoscaler object for an existing ReplicationController:

How many pods are in a pod?

At the same time, a Pod can contain more than one container, usually because these containers are relatively tightly coupled.

How do you stop a pod?

Destroy Pod

The action of deleting the pod is simple. To delete the pod you have created, just run kubectl delete pod nginx . Be sure to confirm the name of the pod you want to delete before pressing Enter. If you have completed the task of deleting the pod successfully, pod nginx deleted will appear in the terminal.

How do I know which node pods are running?

Finding a Pod's Cluster IP

To find the cluster IP address of a Kubernetes pod, use the kubectl get pod command on your local machine, with the option -o wide . This option will list more information, including the node the pod resides on, and the pod's cluster IP.