DevOps-Interview-Guide

DevOps Interview Guide

24 articles 820 View on GitHub ↗
24 articles
How to Send Log Files from EC2 to S3: CloudWatch Agent and Lambda Pipeline Guide

Stream EC2 logs to S3 using CloudWatch Agent and Lambda. Learn to configure your pipeline for durable, cost-effective log storage in AWS.

how-to-guide
Aug 10, 2026
Where Are NAT Gateways Typically Placed in an AWS VPC? A Complete Placement Guide

Discover where to place NAT gateways in your AWS VPC. Learn how public subnet placement enables secure outbound internet access for private instances.

how-to-guide
Aug 10, 2026
What Is the Difference Between AWS Interface Endpoints and Gateway Endpoints?

Understand the difference between AWS interface endpoints and gateway endpoints. Learn how interface endpoints use ENIs for private connections and gateway endpoints offer S3/DynamoDB access without extra charges.

deep-dive
Aug 10, 2026
Default Components Created When a VPC Is Established in AWS

Discover the six default components AWS creates when you establish a VPC, including subnets, route tables, and internet gateways. Understand your VPC's core infrastructure.

how-to-guide
Aug 10, 2026
What Is the Purpose of the Container Network Interface (CNI) in Kubernetes?

Discover the purpose of Container Network Interface (CNI) in Kubernetes. Learn how CNI assigns IPs to pods and enables network connectivity, simplifying container orchestration.

deep-dive
Aug 10, 2026
Kubernetes PersistentVolumes and PersistentVolumeClaims: Essential Concepts for DevOps Interviews

Master Kubernetes PersistentVolumes and PersistentVolumeClaims for DevOps interviews. Understand how PVs and PVCs abstract storage for pods, ensuring data persistence.

getting-started
Aug 10, 2026
How to Configure Kubernetes Cluster Auto-Scaling: Cluster Autoscaler, HPA, and VPA Explained

Learn how to configure Kubernetes cluster auto-scaling. Understand Cluster Autoscaler, HPA, and VPA to efficiently manage nodes and pods for optimal resource utilization.

how-to-guide
Aug 10, 2026
How Resource Management in Kubernetes Namespaces Works: A Complete Guide

Master Kubernetes resource management within namespaces. Learn how ResourceQuota, LimitRange, RBAC, and NetworkPolicies create isolated, secure, and efficient environments for your workloads. Your complete guide.

how-to-guide
Aug 10, 2026
Alternative Checks You Can Perform Using Kubernetes Probes: Beyond HTTP Endpoints

Discover alternative Kubernetes probes beyond HTTP. Learn to use exec commands, TCP sockets, and gRPC health checks to ensure container health and reliability.

how-to-guide
Aug 10, 2026
Kubernetes Liveness, Readiness, and Startup Probes: A Complete Troubleshooting Guide

Master Kubernetes liveness, readiness, and startup probes. Learn how to effectively troubleshoot container issues and ensure application availability. Optimize your deployments today.

how-to-guide
Aug 10, 2026
How Load Balancers Route Traffic During Kubernetes Rollouts When Pods Fail

Learn how Kubernetes load balancers route traffic during rollouts, excluding failed pods and ensuring service availability. Discover seamless updates with expert insights.

how-to-guide
Aug 10, 2026
How Kubernetes Rolling Updates and Rollbacks Work: A Complete Guide

Learn how Kubernetes rolling updates and rollbacks ensure zero downtime deployments and quick issue resolution. Understand the complete process for seamless application updates.

how-to-guide
Aug 10, 2026

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