salqadri

// Copyright 2017 Google Inc.
// Though this is NOT an officially supported Google product!
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software

salqadri

sudo -i                 # Become root
sudo yum update -y      # Update all packages

# Install the yum-config-manager and add the repo to install docker
sudo yum install -y yum-utils device-mapper-persistent-data lvm2
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
 
# Configure iptables for Kubernetes
cat <<EOF >  /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1

salqadri

# Make sure you are NOT root for these commands! But it must be a sudoer user.

# Open the ports you need to expose outside the node
#sudo firewall-cmd --zone=public --add-port=6443/tcp --permanent         # Kubernetes API server
#sudo firewall-cmd --zone=public --add-port=2379-2380/tcp --permanent    # etcd server client API
#sudo firewall-cmd --zone=public --add-port=10250/tcp --permanent        # Kubelet API
#sudo firewall-cmd --zone=public --add-port=10251/tcp --permanent        # kube-scheduler
#sudo firewall-cmd --zone=public --add-port=10252/tcp --permanent        # kube-controller-manager
#sudo firewall-cmd --reload

salqadri

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