ImKunYoung ImKunYoung

eksctl create cluster \
  --name 클러스터명 \
  --region ap-northeast-2 \
  --vpc-cidr=10.0.0.0/20

kubectl set env ds aws-node -n kube-system ENABLE_PREFIX_DELEGATION=true

Kafka Topics

bin/kafka-topics.sh --zookeeper localhost:2181 --list

bin/kafka-topics.sh --zookeeper localhost:2181 --describe --topic mytopic

bin/kafka-topics.sh --zookeeper localhost:2181 --alter --topic mytopic --config retention.ms=1000

... wait a minute ...

nslookup <서비스이름>.<네임스페이스>.svc.cluster.local
nslookup my-service.default.svc.cluster.local

	1. Setup & Image Management:
	- 🏗️ `docker build -t myapp .` ➡️ Build image from a Dockerfile.
	- 📦 `docker pull ubuntu` ➡️ Fetch an image from a registry.
	- 📤 `docker push myuser/myapp` ➡️ Store your image remotely.
	- 🗂️ `docker images` ➡️ List all local images.
	- 📸 `docker rmi image_name` ➡️ Remove an image.
	- 🧠 `docker history image_name` ➡️ See layers of an image.
	- 📋 `docker tag source_image target_image` ➡️ Tag an image.
	- 📦 `docker save -o outputfile.img myimage` ➡️ Save image to a file.
	- 🎁 `docker load -i inputfile.img` ➡️ Load image from a file.