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A new deployment called alpha-mysql has been deployed in the alpha namespace. However, the pods are not running. Troubleshoot and fix the issue. The deployment should make use of the persistent volume alpha-pv to be mounted at /var/lib/mysql and should use the environment variable MYSQL_ALLOW_EMPTY_PASSWORD=1 to make use of an empty root password.- Important: Do not alter the persistent volume.-..

Create a new deployment called nginx-deploy, with image nginx:1.16 and 1 replica. Next upgrade the deployment to version 1.17 using rolling update.- Image: nginx:1.16- Task: Upgrade the version of the deployment to 1:17 controlplane ~ ✖ kubectl set image deployment.v1.apps/nginx-deploy nginx=nginx:1.17Error from server (NotFound): deployments.apps "nginx-deploy" not found흠 .... 왜 안되지 .... 내일 해보자..

A kubeconfig file called admin.kubeconfig has been created in /root/CKA. There is something wrong with the configuration. Troubleshoot and fix it. - Fix /root/CKA/admin.kubeconfig  controlplane ~ ➜ k cluster-info Kubernetes control plane is running at https://controlplane:6443CoreDNS is running at https://controlplane:6443/api/v1/namespaces/kube-system/services/kube-dns:dns/proxyTo further debu..

Weight: 15 Print the names of all deployments in the admin2406 namespace in the following format:DEPLOYMENT CONTAINER_IMAGE READY_REPLICAS NAMESPACE . The data should be sorted by the increasing order of the deployment name.Example:DEPLOYMENT CONTAINER_IMAGE READY_REPLICAS NAMESPACEdeploy0 nginx:alpine 1 admin2406Write the result to the file /opt/admin2406_data.  정보 확인c..

Weight: 15 Upgrade the current version of kubernetes from 1.29.0 to 1.30.0 exactly using the kubeadm utility. Make sure that the upgrade is carried out one node at a time starting with the controlplane node.To minimize downtime, the deployment gold-nginx should be rescheduled on an alternate node before upgrading each node.Upgrade controlplane node first and drain node node01 before upgrading it..