kubernetes-starter

Bootstrapping Kubernetes clusters 1.16 with kubeadm on Ubuntu 16.04

#Requirements https://v1-16.docs.kubernetes.io/docs/setup/production-environment/tools/kubeadm/install-kubeadm/

Create host(kmaster, knode0, knode1) in VMware Workstation Player

• ISO: ubuntu-16.04.7-server-amd64.iso
• username/password: kadmin/123
• CPU: 1 for nodes, 2 for master

2 CPU obligatory for master: [ERROR NumCPU]: the number of available CPUs 1 is less than the required 2

• Memory: 1GB
• Network Connection: Bridged Connected directly to the physical network

Login to hosts

• username: kadmin
• password: 123
• sudo apt install -y openssh-server

Prepare local host

• sudo apt update && sudo apt install -y sshpass
• Writes host ids to common.sh

Prepare k8s-app in hub.docker.com

Execute sh

• run locally ./prepare_nodes.sh
• run on all hosts ./init_node.sh
• run on kmaster ./init_master.sh
• copy command from kmaster to join_node.sh
• join knode0, knode1 using command from ./join_node.sh