CKS EXAM
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Tips
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Tricks
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Strategy
URLs to read through before the Exam - 1
URLs to read through before the Exam - 2
16 Clusters = 16 Contexts = 16 Questions
Each Cluster is 1 Master and 1 Worker
You are on client terminal
context=ak8s
context=bk8s
context=ck8s
context=pk8s
you are here first
client terminal
k config use-context ak8s
k config use-context bk8s
k config use-context ck8s
master
worker
ssh master
ssh worker
master
worker
master
worker
master
worker
Contexts
# List all contexts k config get-contexts # What is the current context k config current-context # Use this context from all kubectl commands from now on k config use-context ck8s k get po -A # Change context k config use-context dk8s k get po -A
Terminal, Master, Worker
# Always start in client terminal k get po -A # Go to master ssh master # Modify some file # Restart some service etc. exit # Now you are back to client terminal # Go to worker ssh worker # Modify some file # Restart some service etc. exit # Now you are back to client terminal
Sudo if you can
sudo -iBackup and Edit Strategy
F=/etc/kubernetes/manifests/kube-apiserver.yaml G=/etc/kubernetes/manifests/kube-controller-manager.yaml echo $F, $G mkdir 7 ; cd 7 cp $F . vi $F
File names and paths to remember
cd /etc/kubernetes/manifests ; ls
/etc/kubernetes/manifests/kube-apiserver.yaml
/etc/kubernetes/manifests/kube-controller-manager.yaml
/etc/kubernetes/manifests/etcd.yaml
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cd /var/lib/kubelet ; ls
/var/lib/kubelet/config.yaml
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cd /var/log/containers ; ls
/etc/kubernetes/etcd.yaml
/var/log/kubernetes/audit.log
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cd /etc/falco ; ls
/etc/falco/falco.yaml
/etc/falco/falco_rules.yaml
/etc/falco/falco_rules.local.yaml
/etc/falco/k8s_audit_rules.yaml
/etc/falco/rules.d
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log file location
cd /var/log/containers ; ls
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service file
/etc/systemd/system/kubelet.service.d/10-kubeadm.conf
Some command line tools
falco --help apparmor_status --help apparmor_parser --help trivy --help trivy image --help trivy image --severity 'CRITICAL,HIGH' amazonlinux:1 trivy image --severity 'CRITICAL,HIGH' \ k8s.gcr.io/kube-controller-manager:v1.18.6
THANKS
FOR
WATCHING
N=quetzal
k -n $N delete deploy broker-deployment
k delete ns $N
k create ns $N
k -n $N create deployment broker-deployment --image redis:alpine \
--port 6379 --dry-run=client -oyaml > /tmp/broker-deployment.yaml
k create -f /tmp/broker-deployment.yaml
Lab Preparation
CKS EXAM Tips Tricks Strategy
CKS Exam - Tips, Tricks and Strategy
By Deepak Dubey
CKS Exam - Tips, Tricks and Strategy
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