INTERACTIVE LEARNING PATH
Six Checkpoints to Becoming a
SRE
Zero slides, zero multiple-choice quizzes. Every checkpoint below connects directly to a disposable Linux, Docker, or Kubernetes container sandbox with automated CLI evaluation.
21Guided Courses
28P1 Outage Drills
7,815Available XP
0Slides Required
START HERE
CHECKPOINT 01|Linux Fundamentals & Systems
3 interactive modulesLinux Process & Memory Debugging
Intermediate·45m
Incident #56: Zombie PID Exhaustion & Init Reap Failure
Advanced·35m
CHECKPOINT 02|Docker & Container Internals
8 interactive modulesDocker & Container Internals 101
Beginner·40m
Docker Multi-Host Overlay Network Live
Intermediate·40m
Docker Daemon Socket API & Security Triage
Intermediate·30m
Docker Volume UID/GID Permission Traps
Intermediate·25m
Nginx Reverse Proxy & Sidecar Debugging
Intermediate·35m
CHECKPOINT 03|Kubernetes Core & Concepts
3 interactive modulesK8s Multi-Container Ambassador & Sidecar Pattern
Intermediate·40m
Kubernetes Pod Lifecycle & Eviction Triage
Intermediate·45m
CHECKPOINT 04|Kubernetes Troubleshooting & Chaos
4 interactive modulesK8s Secret Base64 Encoding & CrashLoopBackOff
Intermediate·30m
Incident #32: Go Memory Leak & OOMKill Rolling Restarts
Advanced·45m
CHECKPOINT 05|Kubernetes Operations & Reliability
6 interactive modulesK8s Calico NetworkPolicy Namespace Lockdown
Advanced·50m
K8s etcd Cluster Quorum Loss & Disaster Recovery
Expert·1h
CHECKPOINT 06|Production Incident Response
28 interactive modulesIncident #56: Zombie PID Exhaustion & Init Reap Failure
Advanced·35m
Incident #32: Go Memory Leak & OOMKill Storm
Advanced·45m
Incident #23: Nginx 502 Upstream Connection Pool Meltdown
Intermediate·35m
Incident #24: Background Worker Queue & Celery Meltdown
Advanced·40m
Incident #25: S3 Bucket Permission & IAM Image Upload Lockout
Intermediate·30m
Incident #26: CI/CD Deployment Pipeline Concurrency Backlog
Intermediate·35m
Incident #28: Linux Conntrack Table Exhaustion & Dropped SYN
Advanced·45m
Incident #29: PostgreSQL Split-Brain Replication Desync
Advanced·50m
Incident #30: Ingress TLS Certificate Expiration Outage
Beginner·25m
Incident #31: Docker /var/lib/docker Inode & Disk Saturation
Intermediate·30m
Incident #32: Go Memory Leak & OOMKill Rolling Restarts
Advanced·45m
Incident #33: CoreDNS UDP Packet Drop & DNS Flapping
Advanced·40m
Incident #34: Vault Database Secret Rotation Lockout
Intermediate·35m
Incident #35: Silent Failure — Dashboards Green but Checkout 0 QPS
Expert·55m
Incident #36: Kafka Partition Rebalance Storm & Consumer Lag
Advanced·45m
Incident #37: Postgres Query Deadlock & Table Lock Contention
Advanced·40m
Incident #40: Deployment Never Rolled Out (Zero Available Pods)
Intermediate·30m
Incident #43: Cloudflare & Traefik Infinite SSL 301 Redirect Loop
Intermediate·30m
Incident #45: Distributed Cron Lock Failure & Duplicate Worker Execution
Advanced·45m
Incident #48: KMS Customer Managed Key Policy S3 Access Denied
Intermediate·35m
Incident #49: IAM Role Boundary Lockout on Production Secrets
Advanced·40m
Incident #52: False Green CI Pipeline with Masked Bash Exit Codes
Intermediate·30m
Incident #59: Leaked Cloud API Key & Security Compromise Triage
Intermediate·30m
Incident #62: Prometheus PromQL Silence & Dropped P0 Alert
Advanced·40m
// START YOUR DRILL
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