Official Website K8s doc Training portal Prepare Resources in Github Kubernetes Certified Administration - Some exercises based on exam objectives. Has some useful tips and links. K8s Practice Training - A basic k8s exercise. Awesome Kubernetes - Introduction and blogs about k8s. Online Practice https://killercoda.com/killer-shell-cka - Free https://killer.sh - two sessions, 36h free for each Related Blogs (In Chinese) CKA 考試全攻略流程 Kubernetes CKA 证

From: https://killer.sh Most of this page is direct copy, and I just added My Answer or Ref. Pre Setup Once you’ve gained access to your terminal it might be wise to spend ~1 minute to setup your environment. You could set these: alias k=kubectl # will already be pre-configured export do="--dry-run=client -o yaml" # k create deploy nginx --image=nginx $do export now="--force --grace-period 0" # k delete pod x $now

为了准备CKA看了b站上黑马程序员的k8s课程，总体来说比较基础，也有一些过时的内容，但优点在于简单、全面、清晰。参考评论区的笔记记录一下。

最近需要在项目中检查用户提供的cluster issuer是否存在，需要用到cert-manager pkg，但是对于golang和k8s新手来

Env Runtime: Colima Cluster: Kind Ingress controller: Contour Certification: Cert-manager Statement I’m testing in my local env totally, and have no DNS. I want to check the self-signed cert created by issuer. Already created a cluster with kind: Contour_Create_a_Kind_Cluster Service: apiVersion: v1 kind: Service metadata: name: service-name namespace: ns spec: ports: - name: external port: 8080 targetPort: 8080 selector: app: app-name type: LoadBalancer A self-signed issuer: apiVersion: cert-manager.io/v1 kind: Issuer