IBM Technical Service Specialist Interview Questions, Process, and Tips for Experienced

The DevOps project involves continuous integration, delivery, and deployment of software. Kubernetes components include pods, services, deployments, and namespaces.

• The DevOps process starts with developers committing code to a version control system like Git.

• The code is then built and tested using continuous integration tools like Jenkins.

• The built code is packaged into containers using tools like Docker.

• The containers...read more

Restarting pods in clusters involves identifying the affected pod, deleting it, and allowing the cluster to create a new one.

• Identify the affected pod using kubectl get pods command

• Delete the pod using kubectl delete pod command

• Allow the cluster to create a new pod automatically

• Use kubectl rollout restart command to restart all pods in a deployment

• Use kubectl scale command to increase or decrease the number of replicas

Docker is a containerization platform that allows developers to package and deploy applications in a portable manner.

• Dockerfile is a script that contains instructions to build a Docker image

• Best practices include keeping the image size small, using a single process per container, and using environment variables for configuration

• Use multi-stage builds to reduce image size and improve security

• Avoid running containers as ...read more

Docker commands: run, build, push, pull. Kubernetes commands: create, delete, scale, rollout.

• Docker commands: run - to run a container, build - to build an image, push - to push an image to a registry, pull - to pull an image from a registry

• Kubernetes commands: create - to create a resource, delete - to delete a resource, scale - to scale a resource, rollout - to manage rollouts and rollbacks