Kubernetes 1.23.6 Cluster Setup Master and Worker in Ubuntu 20.04

Latest doc – https://github.com/certifications-tutorials/kubernetes-cluster-setup

Following commands would help you to create 1 Master and 1 Node in same VM.

Run Following commands in Master Node

$ sudo -s
$ cd
$ git clone https://github.com/certifications-tutorials/cks-course-environment/
$ cd cks-course-environment/
$ cd cluster-setup/
$ cd latest/
$ chmod 755 install_master.sh
$ ./install_master.sh
$ kubectl get nodes
$ kubectl taint nodes --all node-role.kubernetes.io/master-
or
kubectl taint nodes ip-172-31-12-228 node-role.kubernetes.io/control-plane:NoSchedule-


$ kubectl cluster-info
Code language: JavaScript (javascript)

Run following commands in Worker Node

$ git clone https://github.com/certifications-tutorials/cks-course-environment/
$ cd cks-course-environment/
$ cd cluster-setup/
$ ls
$ cd latest/
$ ls
$ chmod 755 install_worker.sh
$ ./install_worker.sh
$ kubeadm join 172.31.12.163:6443 --token 22zff9.qls775ypsmn3jtkg --discovery-token-ca-cert-hash sha256:c2df87a631d2a715ca926c4247c7f51699a652a13973c1149573561d87cd26b4
Code language: PHP (php)

Sample Code – https://github.com/certifications-tutorials/cks-course-environment/

How to download using git

$ git clone https://github.com/certifications-tutorials/cks-course-environment/

# cks-master
sudo -i
bash <(curl -s https://raw.githubusercontent.com/certifications-tutorials/cks-course-environment/master/cluster-setup/latest/install_master.sh)


# cks-worker
sudo -i
bash <(curl -s https://raw.githubusercontent.com/certifications-tutorials/cks-course-environment/master/cluster-setup/latest/install_worker.sh)


# run the printed kubeadm-join-command from the master on the worker
Code language: PHP (php)

Rajesh Kumar

I’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand.

Do you want to learn Quantum Computing?

Please find my social handles as below;

Rajesh Kumar Personal Website
Rajesh Kumar at YOUTUBE
Rajesh Kumar at INSTAGRAM
Rajesh Kumar at X
Rajesh Kumar at FACEBOOK
Rajesh Kumar at LINKEDIN
Rajesh Kumar at WIZBRAND

Rajesh Kumar DailyLogs