Skip to content

Concepts

52 concepts across 30 stages. Each stage’s note declares what it teaches; this page inverts that.

output formats

Stage 6 — Print a table
Stage 7 — Humanise the age
Stage 8 — Print the object as JSON
Stage 9 — Print the object as YAML
Stage 10 — Look everywhere at once
Stage 15 — Wider columns
Stage 18 — A stable order
Stage 26 — Describe one object

api semantics

Stage 11 — Ask for one object
Stage 17 — Filter by field
Stage 18 — A stable order
Stage 20 — Delete an object
Stage 26 — Describe one object

rest api

Stage 3 — Ask the server what it is
Stage 10 — Look everywhere at once
Stage 11 — Ask for one object
Stage 16 — Filter by label

streaming

Stage 19 — Keep watching
Stage 28 — Stream a container’s logs
Stage 29 — Run a command inside
Stage 30 — Forward a local port

clients

Stage 1 — Find the cluster
Stage 3 — Ask the server what it is
Stage 14 — Get anything at all

discovery

Stage 3 — Ask the server what it is
Stage 12 — Ask what the server serves
Stage 13 — Resolve any spelling

namespaces

Stage 4 — List the pods
Stage 5 — Choose a namespace
Stage 10 — Look everywhere at once

subresources

Stage 25 — Scale through a subresource
Stage 28 — Stream a container’s logs
Stage 29 — Run a command inside

unstructured

Stage 14 — Get anything at all
Stage 15 — Wider columns
Stage 26 — Describe one object

write verbs

Stage 20 — Delete an object
Stage 21 — Create from a manifest
Stage 24 — Change one field

errors

Stage 11 — Ask for one object
Stage 23 — Two managers, one field

gvk vs gvr

Stage 13 — Resolve any spelling
Stage 21 — Create from a manifest

kubeconfig

Stage 1 — Find the cluster
Stage 2 — Choose a context

precedence

Stage 2 — Choose a context
Stage 5 — Choose a namespace

rbac

Stage 25 — Scale through a subresource
Stage 29 — Run a command inside

restmapper

Stage 13 — Resolve any spelling
Stage 21 — Create from a manifest

selectors

Stage 16 — Filter by label
Stage 17 — Filter by field

serialization

Stage 8 — Print the object as JSON
Stage 9 — Print the object as YAML

server-side apply

Stage 22 — Apply, not create
Stage 23 — Two managers, one field

spdy

Stage 29 — Run a command inside
Stage 30 — Forward a local port

api design

Stage 25 — Scale through a subresource

api groups

Stage 12 — Ask what the server serves

api objects

Stage 8 — Print the object as JSON

cli parsing

Stage 5 — Choose a namespace

concurrency

Stage 24 — Change one field

conflicts

Stage 23 — Two managers, one field

contexts

Stage 2 — Choose a context

controllers

Stage 19 — Keep watching

declarative config

Stage 22 — Apply, not create

determinism

Stage 18 — A stable order

dynamic client

Stage 14 — Get anything at all

events

Stage 27 — Attach its events

field managers

Stage 22 — Apply, not create

field selectors

Stage 27 — Attach its events

finalizers

Stage 20 — Delete an object

goroutines

Stage 30 — Forward a local port

indexing

Stage 17 — Filter by field

kubelet

Stage 28 — Stream a container’s logs

labels

Stage 16 — Filter by label

listing

Stage 4 — List the pods

manifests

Stage 21 — Create from a manifest

networking

Stage 30 — Forward a local port

object references

Stage 27 — Attach its events

ownership

Stage 23 — Two managers, one field

patch types

Stage 24 — Change one field

resources

Stage 12 — Ask what the server serves

resourceversion

Stage 19 — Keep watching

rest config

Stage 1 — Find the cluster

tabwriter

Stage 6 — Print a table

time

Stage 7 — Humanise the age

typed clients

Stage 4 — List the pods

watch

Stage 19 — Keep watching