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This commit is contained in:
sandervanvugt
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@ -1,42 +0,0 @@
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#!/bin/bash
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# script that runs
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# https://kubernetes.io/docs/setup/production-environment/container-runtime
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echo this script is now deprecated and provided for compatibility reasons only.
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echo run setup-container.sh instead.
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echo after running setup-container.sh, use setup-kubetools.sh to install the kubernetes tools
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echo this script will now stop
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echo use Ctrl-C to stop it now
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sleep 30
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exit
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yum install -y vim yum-utils device-mapper-persistent-data lvm2
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yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
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# notice that only verified versions of Docker may be installed
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# verify the documentation to check if a more recent version is available
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yum install -y docker-ce
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[ ! -d /etc/docker ] && mkdir /etc/docker
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cat > /etc/docker/daemon.json <<EOF
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{
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"exec-opts": ["native.cgroupdriver=systemd"],
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"log-driver": "json-file",
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"log-opts": {
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"max-size": "100m"
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},
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"storage-driver": "overlay2",
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"storage-opts": [
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"overlay2.override_kernel_check=true"
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]
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}
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EOF
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mkdir -p /etc/systemd/system/docker.service.d
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systemctl daemon-reload
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systemctl restart docker
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systemctl enable docker
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systemctl disable --now firewalld
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@ -1,42 +0,0 @@
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#!/bin/bash
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# script that runs
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# https://kubernetes.io/docs/setup/production-environment/container-runtime
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echo this script is now deprecated and provided for compatibility reasons only.
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echo run setup-container.sh instead.
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echo after running setup-container.sh, use setup-kubetools.sh to install the kubernetes tools
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echo this script will now stop
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echo use Ctrl-C to stop it now
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sleep 30
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exit
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yum install -y vim yum-utils device-mapper-persistent-data lvm2
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yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
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# notice that only verified versions of Docker may be installed
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# verify the documentation to check if a more recent version is available
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yum install -y docker-ce
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[ ! -d /etc/docker ] && mkdir /etc/docker
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cat > /etc/docker/daemon.json <<EOF
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{
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"exec-opts": ["native.cgroupdriver=systemd"],
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"log-driver": "json-file",
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"log-opts": {
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"max-size": "100m"
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},
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"storage-driver": "overlay2",
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"storage-opts": [
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"overlay2.override_kernel_check=true"
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]
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}
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EOF
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mkdir -p /etc/systemd/system/docker.service.d
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systemctl daemon-reload
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systemctl restart docker
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systemctl enable docker
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systemctl disable --now firewalld
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@ -1,23 +0,0 @@
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#!/bin/bash
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cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
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br_netfilter
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EOF
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cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
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net.bridge.bridge-nf-call-ip6tables = 1
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net.bridge.bridge-nf-call-iptables = 1
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EOF
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sudo sysctl --system
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sudo swapoff -a
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sudo apt-get update && sudo apt-get install -y apt-transport-https curl
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curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
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cat <<EOF | sudo tee /etc/apt/sources.list.d/kubernetes.list
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deb https://apt.kubernetes.io/ kubernetes-xenial main
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EOF
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sudo apt-get update
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sudo apt-get install -y kubelet kubeadm kubectl
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sudo apt-mark hold kubelet kubeadm kubectl
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@ -1,90 +0,0 @@
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#!/bin/bash
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# script that runs
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# https://kubernetes.io/docs/setup/production-environment/container-runtime
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# setting MYOS variable
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MYOS=$(hostnamectl | awk '/Operating/ { print $3 }')
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OSVERSION=$(hostnamectl | awk '/Operating/ { print $4 }')
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##### CentOS 7 config
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if [ $MYOS = "CentOS" ]
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then
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echo setting up CentOS 7 with Docker
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yum install -y vim yum-utils device-mapper-persistent-data lvm2
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yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
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# notice that only verified versions of Docker may be installed
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# verify the documentation to check if a more recent version is available
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yum install -y docker-ce
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[ ! -d /etc/docker ] && mkdir /etc/docker
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mkdir -p /etc/systemd/system/docker.service.d
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cat > /etc/docker/daemon.json <<- EOF
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{
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"exec-opts": ["native.cgroupdriver=systemd"],
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"log-driver": "json-file",
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"log-opts": {
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"max-size": "100m"
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},
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"storage-driver": "overlay2",
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"storage-opts": [
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"overlay2.override_kernel_check=true"
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]
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}
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EOF
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systemctl daemon-reload
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systemctl restart docker
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systemctl enable docker
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systemctl disable --now firewalld
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fi
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echo printing MYOS $MYOS
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if [ $MYOS = "Ubuntu" ]
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then
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### setting up container runtime prereq
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cat <<- EOF | sudo tee /etc/modules-load.d/containerd.conf
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overlay
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br_netfilter
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EOF
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sudo modprobe overlay
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sudo modprobe br_netfilter
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# Setup required sysctl params, these persist across reboots.
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cat <<- EOF | sudo tee /etc/sysctl.d/99-kubernetes-cri.conf
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net.bridge.bridge-nf-call-iptables = 1
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net.ipv4.ip_forward = 1
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net.bridge.bridge-nf-call-ip6tables = 1
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EOF
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# Apply sysctl params without reboot
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sudo sysctl --system
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# (Install containerd)
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sudo apt-get update && sudo apt-get install -y containerd
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# Configure containerd
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sudo mkdir -p /etc/containerd
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cat <<- TOML | sudo tee /etc/containerd/config.toml
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version = 2
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[plugins]
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[plugins."io.containerd.grpc.v1.cri"]
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[plugins."io.containerd.grpc.v1.cri".containerd]
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discard_unpacked_layers = true
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[plugins."io.containerd.grpc.v1.cri".containerd.runtimes]
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[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
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runtime_type = "io.containerd.runc.v2"
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[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
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SystemdCgroup = true
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TOML
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# Restart containerd
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sudo systemctl restart containerd
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fi
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# kubeadm installation instructions as on
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# https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/install-kubeadm/
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# this script supports centos 7 and Ubuntu 20.04 only
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# this script supports Ubuntu 20.04 and later only
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# run this script with sudo
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if ! [ $USER = root ]
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# setting MYOS variable
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MYOS=$(hostnamectl | awk '/Operating/ { print $3 }')
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OSVERSION=$(hostnamectl | awk '/Operating/ { print $4 }')
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##### CentOS 7 config
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if [ $MYOS = "CentOS" ]
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then
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echo RUNNING CENTOS CONFIG
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cat <<EOF | sudo tee /etc/yum.repos.d/kubernetes.repo
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[kubernetes]
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name=Kubernetes
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baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-\$basearch
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enabled=1
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gpgcheck=1
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repo_gpgcheck=1
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gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
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exclude=kubelet kubeadm kubectl
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EOF
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# Set SELinux in permissive mode (effectively disabling it)
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setenforce 0
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sed -i 's/^SELINUX=enforcing$/SELINUX=permissive/' /etc/selinux/config
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# disable swap (assuming that the name is /dev/centos/swap
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sed -i 's/^\/dev\/mapper\/centos-swap/#\/dev\/mapper\/centos-swap/' /etc/fstab
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swapoff /dev/mapper/centos-swap
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yum install -y kubelet kubeadm kubectl --disableexcludes=kubernetes
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systemctl enable --now kubelet
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fi
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if [ $MYOS = "Ubuntu" ]
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then
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echo RUNNING UBUNTU CONFIG
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net.bridge.bridge-nf-call-iptables = 1
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EOF
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sysctl --system
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echo after initializing the control node, follow instructions and use kubectl apply -f https://raw.githubusercontent.com/projectcalico/calico/v3.25.0/manifests/calico.yaml to install the calico plugin (control node only). On the worker nodes, use sudo kubeadm join ... to join
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@ -1,22 +0,0 @@
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#!/bin/bash
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cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
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br_netfilter
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EOF
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cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
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net.bridge.bridge-nf-call-ip6tables = 1
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net.bridge.bridge-nf-call-iptables = 1
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EOF
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sudo sysctl --system
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sudo apt-get update && sudo apt-get install -y apt-transport-https curl
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curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
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cat <<EOF | sudo tee /etc/apt/sources.list.d/kubernetes.list
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deb https://apt.kubernetes.io/ kubernetes-xenial main
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EOF
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sudo apt-get update
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sudo apt-get install -y kubelet kubeadm kubectl
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sudo apt-mark hold kubelet kubeadm kubectl
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