Einfochips Devops Interview Questions and Answers

Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications.

• Kubernetes follows a master-slave architecture with a master node that controls multiple worker nodes.

• Master node components include API server, scheduler, controller manager, and etcd.

• Worker node components include kubelet, kube-proxy, and container runtime (e.g. Docker).

• Ku...read more

To ensure high availability of EKS cluster, utilize multiple availability zones, implement auto-scaling, use managed node groups, and set up monitoring and alerts.

• Utilize multiple availability zones to distribute workload and ensure redundancy.

• Implement auto-scaling to automatically adjust resources based on demand.

• Use managed node groups to simplify node management and ensure high availability.

• Set up monitoring and al...read more

Liveness and readiness probes are used in Kubernetes to check the health of containers.

• Liveness probe checks if a container is running and healthy. If it fails, Kubernetes restarts the container.

• Readiness probe checks if a container is ready to serve traffic. If it fails, Kubernetes stops sending traffic to the container.

• Probes are configured in the pod's YAML file using the 'livenessProbe' and 'readinessProbe' fields.

• ...read more

Docker is a containerization platform that allows applications to be packaged and run in isolated environments. DevOps is a software development methodology that focuses on collaboration, automation, and integration between development and operations teams.

• Docker is a tool designed to make it easier to create, deploy, and run applications by using containers.

• Containers allow a developer to package up an application wit...read more

Git is a version control system used for tracking changes in source code, while Subversion (SVN) is another version control system with similar features.

• Git is distributed, allowing for offline work and faster branching and merging.

• Subversion is centralized, requiring a network connection for most operations.

• Git uses a staging area for changes before committing, while Subversion commits changes directly to the reposito...read more