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172
Exercises
across all labs
6
Labs
Linux to Istio
18.4K
XP Available
earn as you complete
Boss
Challenges
timed incident scenarios
Free
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23K+
XP Levels
tiered progression
Master the Linux command line, filesystem, permissions, processes. The bedrock every engineer needs.
After this lab, you can
- Navigate any filesystem
- Manage users & permissions
- Debug a production server via SSH
- Pass Linux interview questions cold
Master YAML syntax, jq JSON querying, yq YAML manipulation, and the validation patterns used in every Kubernetes manifest, GitHub Action, and CI/CD pipeline.
After this lab, you can
- Read and write any YAML config
- Query JSON with jq in CI/CD
- Update Kubernetes manifests with yq
Variables, loops, functions, and scripts. The automation skill every DevOps engineer lives by.
After this lab, you can
- Automate repetitive tasks
- Write deployment scripts
- Parse logs at scale
Commit, branch, merge, and undo. The daily workflow of every software engineer on the planet.
After this lab, you can
- Branch, merge & rebase confidently
- Resolve conflicts
- Write clean commit history
Ping, DNS, ports, HTTP, and packet tracing. Understand what happens on the wire before containers or clusters.
After this lab, you can
- Trace a request end-to-end
- Debug DNS failures
- Understand TCP/UDP/HTTP
Build and run containers, manage images, map ports, mount volumes. The foundation of cloud deployments.
After this lab, you can
- Containerize any app
- Multi-stage builds
- Debug container issues in production
Pods, deployments, services, scaling, and rollbacks. The core kubectl workflow every cloud engineer needs.
After this lab, you can
- Deploy, scale & debug pods
- Manage services & ingress
- Handle rolling updates
Install, upgrade, rollback, template, and build Helm charts. The package manager every Kubernetes team uses.
After this lab, you can
- Package & deploy apps with charts
- Manage releases & rollbacks
- Build reusable templates
VirtualService, DestinationRule, mTLS, AuthorizationPolicy, canary deployments, circuit breakers, Envoy xDS, and the full Istio mental model.
After this lab, you can
- Configure traffic routing
- Set up mTLS
- Implement circuit breakers
Boss Challenges
Skills you'll build
Linux
Foundation
31 exercises
Bash
Scripting
27 exercises
Git
Version Ctrl
26 exercises
Networking
DNS & TCP/IP
26 exercises
Docker
Containers
34 exercises
Kubernetes
Orchestration
37 exercises