STUDY/Data Engineering

[kodekloud] 02 Scheduling : Manual Scheduling 풀이

Q1. A pod definition file nginx.yaml is given. Create a pod using the file. k create -f nginx.yaml Q2. What is the status of the created POD? Q3. Why is the POD in a pending state? 위 내용을 봤을 때 스케쥴이 없어서 그러하다.. Q4. Manually schedule the pod on node01 controlplane ~ ➜ ls nginx.yaml sample.yaml controlplane ~ ➜ vi nginx.yaml controlplane ~ ✖ k get pods NAME READY STATUS RESTARTS AGE nginx 0/1 Pending..

[kodekloud] 01 Core Concepts : Imperative-Commands 풀이

Q1. Deploy a pod named nginx-pod using the nginx:alpine image. k run nginx-pod --image=nginx:alpine Q2. Deploy a redis pod using the redis:alpine image with the labels set to tier=db. k run redis --image=redis:alpine --labels=tier=db Q3. Create a service redis-service to expose the redis application within the cluster on port 6379. 명령어 예시 공식문서 kubectl expose (-f FILENAME | TYPE NAME) [--port=por..

[kodekloud] 01 Core Concepts : Service 풀이

Q1. How many Services exist on the system? alias k=kubectl; k get services Q2. What is the type of the default kubernetes service? 위에서 k get services 명령어를 통해 type이 clusterIP임을 확인했다. Q3. What is the targetPort configured on the kubernetes service? k describe services # 서비스가 1개만 있기 때문에 위의 명령어로도 가능하지만 정확한 서비스 명과 조회하려면 k describe svc kubernetes Q4. How many labels are configured on the kubernetes se..

[kodekloud] 01 Core Concepts : Namespaces 풀이

Q1. How many namespace exist? controlplane ~ ➜ k get namespaces Q2. How many pods exist in the research namespace? k get pods --namespace=research Q3. Create a POD in the finance namespace. Use the spec given below. Name: redis Image Name: redis k run redis --image=redis -n finance Q4. Which namespace has the blue pod in it? k get pods --all-namespaces | grep blue Q5. Access the Blue web applica..