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Kubernetes Operations

Only the things that page you at 3am.

중급 · Lessons 31 · Lab 11

Curriculum

etcd Backup and Restore

Cluster Upgrade and Downgrade Strategy

Applying NetworkPolicy

NetworkPolicy — A Firewall Drawn With Labels reading
Policy Design Starting From Default Deny lab
Quiz: NetworkPolicy quiz

RBAC — Role, ClusterRole and Bindings

RBAC — Four Objects and One Trap reading
Designing Roles With Least Privilege lab
Quiz: RBAC quiz

ServiceAccounts and Tokens

How Secrets Are Stored

The Five Minutes After a Node Goes Bad

Drain Is Stuck - the Eviction API and Maintenance Windows

The API Server Is Returning 429

We Decide Who Gets the 429 reading
One Operator Slowed Down the Whole Cluster lab
Quiz: API Priority and Fairness quiz

When an etcd Snapshot Is Not the Answer

Reference docs