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cka

Be ready with 2 IDs at the time of exam

1. Passport

You are allowed only transparent drinks with transparent bottle during the exam.

Get comfortable using vim and tmux for exam, as you will only have one terminal.

Multiple monitors usage is also allowed — use one for k8s docs on 1 monitor and exam on the other monitor. ( you will be asked to share both screens ).

Links which can be used during CKA Exam:

Resource	Link
Kubernetes Github	https://github.com/kubernetes/
Kubernetes Docs	https://kubernetes.io/docs/
Kubernetes Blog	https://kubernetes.io/blog/

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CKA Certification Exam Candidate Resources:

Resource	Link
CKA + CKAD Candidate Handbook	https://training.linuxfoundation.org/go/cka-ckad-candidate-handbook
CKA + CKAD Exam Tips	http://training.linuxfoundation.org/go//Important-Tips-CKA-CKAD
CKA + CKAD FAQ	http://training.linuxfoundation.org/go/cka-ckad-faq

Ref: https://training.linuxfoundation.org/cncf-certification-candidate-resources/

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CKA CLUSTERS

Cluster	Members	CNI	Description
k8s	1 master, 2 worker	flannel	k8s cluster
hk8s	1 master, 2 worker	calico	k8s cluster
bk8s	1 master, 1 worker	flannel	k8s cluster
wk8s	1 master, 2 worker	flannel	k8s cluster
ek8s	1 master, 2 worker	flannel	k8s cluster
ik8s	1 master, 1 base node	loopback	k8s cluster − missing worker node

At the start of each task you'll be provided with the command to ensure you are on the correct cluster to complete the task.

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Certified Kubernetes Administrator (CKA) Exam Curriculum:

https://github.com/cncf/curriculum

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Books to Read:

Books	Link
Kubernetes: Up and Running	https://azure.microsoft.com/en-in/resources/kubernetes-up-and-running
Managing Kubernetes	https://pages.cloud.vmware.com/managing-kubernetes-ebook
Kubernetes in Action	https://www.yunforum.net/pdf/kubernetes-in-action.pdf
Kubernetes The Hard Way (MUST READ)	https://github.com/kelseyhightower/kubernetes-the-hard-way

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Practice all Tasks & understand all Concepts:

Resource	Link
Kubernetes Tasks	https://kubernetes.io/docs/tasks/
Kubernetes Concepts	https://kubernetes.io/docs/concepts/

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Online Resources:

Resource	Link
The Kubernetes Learning Resources List	https://docs.google.com/spreadsheets/d/10NltoF_6y3mBwUzQ4bcQLQfCE1BWSgUDcJXy-Qp2JEU/view
CKA-Prep-List	https://docs.google.com/spreadsheets/d/1mYzfkxu1Iaup3KgO7zhbz7C4nFadSEvogo-lDaFIXK0/view

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alias for doing things quickly

alias k='kubectl'

alias ke='k edit'

alias kd='k describe'

alias ka='k apply'
alias kaf='ka -f'

alias kdl='k delete'
alias kdlf='kdl -f'

alias kg='k get'
alias kga='kg all'
alias kgs='kg svc'
alias kgp='kg pods'
alias kgn='kg nodes'
alias kgd='kg deploy'
alias kgc='kg componentstatuses'

alias kc='k config'
alias kcg='kc get-contexts'
alias kcu='kc use-context'
alias kcc='kc current-context'

alias kx='kubectx'
alias kn='kubens'

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Pro Tips (things to know before exam)

OpenSSL

comfortable generating certificates (.key, .crt, .csr, x509)

systemctl

managing services (status/start/stop/restart/enable/reload)

working with unit files (cat/show/edit)

journalctl

view logs for service

journalctl -u kubelet