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Real-World SRE & DevOps Knowledge

Production-Grade Reference
for Platform Engineers

Written by SREs for high-velocity platform engineers. Learn core system internals, analyze real outage post-mortems, and prepare for production-grade roles.

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Kubernetes Interview Questions Book Cover
FEATURED REFERENCE MANUAL

Kubernetes Interview Questions

156 Real Production Scenarios & Outage walkthroughs

The definitive guide for DevOps & SRE professionals. Go beyond simple cluster configs and master system-level troubleshooting, container orchestration bottlenecks, and disaster recovery drills.

156 Incident Scenarios: Real OOMKills, sync loops, and resource quotas.
Advanced Architectures: Multi-tenant RBAC, VPC endpoints, and GitOps.
Detailed Timelines: SRE troubleshooting walkthroughs and recovery steps.
CNI & Kernel Deep Dives: Calico, Cilium, eBPF, and system call limits.
$19.99 $9.99 Save 50%
506 Pages (PDF/EPUB)
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STRUCTURED ROADMAPS

Structured Learning Paths

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🚀 Beginner

DevOps & Cloud Associate

Master Linux fundamentals, Docker container configurations, deployment manifests, and AWS compute nodes.

6 Stages Start Track
⚙️ Mid-level

Platform Systems Specialist

Build Internal Developer Platforms (IDPs), manage multi-repository Terraform state, and run Kubernetes overlays.

5 Stages Start Track
🏛️ Senior

Cloud & SRE Architect

Orchestrate active-active multi-region cloud infrastructures, zero-trust network boundaries, and error budgets.

6 Stages Start Track
SRE INCIDENT LOGS

Production Outage Post-Mortems

View All Outages
Critical - P1 Kubernetes

How a single pod memory exhaustion crashed our payment system

A memory leak in a new coupon lookup feature triggered OOMKills across payment pods, leading to 12 minutes of complete outage.

47m Outage Timeline Analyze Incident
Critical - P1 CI/CD

A pipeline sync bug that cleared our frontend S3 bucket

A wrong environment variable in a CI build runner caused `aws s3 sync --delete` to target the production bucket, purging web assets.

8m Outage Timeline Analyze Incident
SIDE-BY-SIDE ANALYSES

Architectural Tool Comparisons

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🏗️ IaC

Ansible vs Terraform

Learn when to use declarative infrastructure provisioning vs imperative configuration management.

Read Detailed Comparison
🔄 CI/CD

ArgoCD vs FluxCD

Compare GitOps delivery workflows: visual control dashboards vs silent Kubernetes-native operators.

Read Detailed Comparison
🔒 Security

Vault vs AWS KMS

Compare secret management stores with dynamic credential values and cryptographic hardware engines.

Read Detailed Comparison
MANUALS

All Available Reference Manuals

Command the Cluster — Master kubectl for Production

Stop Googling the same kubectl commands at 3 AM. A free cheat sheet is just command → description. You can find that ...

$2.11