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Learn DevOps by Breaking Things Series' Articles

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Cover image for Practice Linux, Docker and kubectl in Your Browser, No VM Required

Aug 28

Practice Linux, Docker and kubectl in Your Browser, No VM Required

#linux #docker #kubernetes #beginners

5 min read

Cover image for Learn SQL by Typing It: Three Browser Database Terminals Compared

Sep 2

Learn SQL by Typing It: Three Browser Database Terminals Compared

#sql #postgres #mongodb #database

5 min read

Cover image for What Happens When You Type a URL: Answer It With Three Interactive Simulators

Interactive tools beat memorized interview answers

Sep 8

What Happens When You Type a URL: Answer It With Three Interactive Simulators

#networking #dns #tcp #webdev

4 min read

Cover image for Database Scaling, Explained by Breaking Things: Indexing, Replication, Caching

Interactive simulators let you break systems first

Sep 10

Database Scaling, Explained by Breaking Things: Indexing, Replication, Caching

#database #systemdesign #sql #caching

5 min read

Cover image for Preview environments: from a PR label to teardown

Sep 14

Preview environments: from a PR label to teardown

#devops #kubernetes #gitops #github

5 min read

Cover image for TLS Handshakes and OAuth Flows Are Easier to Learn by Clicking Through Them

Sep 17

TLS Handshakes and OAuth Flows Are Easier to Learn by Clicking Through Them

#security #tls #oauth #webdev

4 min read

Cover image for Queues, Webhooks and Rate Limits: Retries, Backlogs and Backoff You Can Watch Happen

Sep 21

Queues, Webhooks and Rate Limits: Retries, Backlogs and Backoff You Can Watch Happen

#architecture #webhooks #kafka #backend

4 min read

Cover image for Stop Being Scared of Git: Learn the Model, Then Quiz the Commands

Sep 23

Stop Being Scared of Git: Learn the Model, Then Quiz the Commands

#git #beginners #productivity #learning

4 min read

Cover image for Terraform Muscle Memory: Practice init, plan and apply Without a Cloud Account

Sep 29

Terraform Muscle Memory: Practice init, plan and apply Without a Cloud Account

#terraform #devops #gitops #iac

4 min read

Cover image for How Kubernetes Actually Schedules Your Pod (and What the Network Does After)

Oct 1

How Kubernetes Actually Schedules Your Pod (and What the Network Does After)

#kubernetes #networking #devops #learning

4 min read

Cover image for p99, Load Balancers and Autoscaling: Latency Intuition You Can Play With

Oct 6

p99, Load Balancers and Autoscaling: Latency Intuition You Can Play With

#sre #performance #devops #architecture

5 min read

Cover image for How to resolve merge conflicts in Git without guessing: markers, --ours/--theirs and the rebase flip

Includes an interactive browser simulator

Oct 8

How to resolve merge conflicts in Git without guessing: markers, --ours/--theirs and the rebase flip

#git #beginners #tutorial #productivity

5 min read

Cover image for The YAML Norway problem and cron's day-of-month trap: two config formats that lie to you

Oct 9

The YAML Norway problem and cron's day-of-month trap: two config formats that lie to you

#yaml #linux #devops #beginners

5 min read

Cover image for Kubernetes RBAC Explained by Breaking It: Practice Roles and Bindings in Your Browser

Oct 14

Kubernetes RBAC Explained by Breaking It: Practice Roles and Bindings in Your Browser

#kubernetes #security #devops #tutorial

6 min read

Cover image for How Docker Works Under the Hood: Watch Namespaces Isolate a Container and cgroups Stop a Fork Bomb

Oct 15

How Docker Works Under the Hood: Watch Namespaces Isolate a Container and cgroups Stop a Fork Bomb

#docker #linux #containers #devops

6 min read

Cover image for Log Aggregation Pipeline Explained: Follow One Log Line and Run the Incident in Your Browser

Oct 22

Log Aggregation Pipeline Explained: Follow One Log Line and Run the Incident in Your Browser

#observability #devops #sre #logging

6 min read

Cover image for Email Bounce Types Explained: Practice Sorting Hard, Soft and Blocked Bounces in Your Browser

Oct 27

Email Bounce Types Explained: Practice Sorting Hard, Soft and Blocked Bounces in Your Browser

#email #smtp #webdev #devops

6 min read

Cover image for We Built Opsville, a Free Pixel-Art Town Where You Fix DevOps Incidents

Boss fights simulate real incident response

Nov 9

We Built Opsville, a Free Pixel-Art Town Where You Fix DevOps Incidents

#showdev #gamedev #devops #typescript

5 min read