/k8s

Apache License 2.0Apache-2.0

k8s

config proxy

apt install git -y
git config --global https.proxy http://16.171.230.104:38888
git config --global http.proxy http://16.171.230.104:38888
git config --global user.name "libp"
git config --global user.email "924701358@qq.com"

clone repository

git clone https://github.com/yanruogu/ckad-exams.git
git clone https://github.com/libp/k8s.git

kubectl exec

kubectl exec busybox -it -- /bin/sh
kubectl exec mypod -it -- ls -ltr /usr
kubectl exec mypod -c ruby-container -- date

kubectl 回退版本

kubectl edit deployment coredns -n kube-system

install metallb for Loadbalancer

#https://metallb.universe.tf/installation/
curl -x http://16.171.230.104:38888/ https://raw.githubusercontent.com/metallb/metallb/v0.13.12/config/manifests/metallb-native.yaml -o metallb-native.yaml

kubectl apply -f  metallb-native.yaml
kubectl get pods -n metallb-system

NAME                          READY   STATUS    RESTARTS   AGE
controller-786f9df989-chzxz   1/1     Running   0          2m42s
speaker-fhmwd                 1/1     Running   0          2m42s
speaker-q9h7z                 1/1     Running   0          2m42s
speaker-x99lk                 1/1     Running   0          2m42s

考试注意事项

  1. 可以根据关键字查询官方文档
  2. 注意k8s集群选择，每做一题，切换执行环境