How we can use SED command in Linux (Sravani)

How to copy files from one server to another server by using ansible copy module

We have two servers 1.master 2.worker1 create playbook example: play.yml --- - hosts: all tasks: - name: Ansible copy file to remote server copy: src: ~/kube-cluster dest: /root Run ansible playbook ansible-playbook play.yml

Kubernetes interview questions and answers

1.H ow to setup kubernetes dashboard on ubuntu16.04 cluster? To create kubernetes dashboard follow below link https://docs.aws.amazon.com/eks/latest/userguide/dashboard-tutorial.html To deploy the Metrics Server kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/download/v0.3.6/components.yaml kubectl get deployment metrics-server -n kube-system Deploy the dashboard kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.0-beta8/aio/deploy/recommended.yaml root@ip-172-31-43-76:~# kubectl get svc -n kubernetes-dashboard NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE dashboard-metrics-scraper ClusterIP 10.102.6.123 <none> 8000/TCP 120m kubernetes-dashboard ...

Docker with jenkins troubleshooting

1.When a docker machine is integrated with jenkins after running a build it shows unstable for that how you can make trouble shoot? To avoid these permission issues run the following command sudo chmod 666 /var/run/docker.sock 2.What is docker? Docker it is a tool designed to make it easier to create, deploy, and run applications by using containers. 3.What is docker file? A Dockerfile is a text document it contains all the commands a user could call on the command line to assemble an image. 4.what is docker image? Docker images are executable packages that include everything needed to run an application — the code, a runtime, libraries, environment variables, and configuration files. 5.what is container? container it is nothing but a running state of image 6.Docker commands

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