_______ _______ _______ __ ___ __ __ _______ ___ _______
/ _____|| ____|| ____|| |/ / | | | | | ____| / \ | \
| | __ | |__ | |__ | ' / | |__| | | |__ / ^ \ | .--. |
| | |_ | | __| | __| | < | __ | | __| / /_\ \ | | | |
| |__| | | |____ | |____ | . \ | | | | | |____ / _____ \ | '--' |
\______| |_______||_______||__|\__\ |__| |__| |_______/__/ \__\ |_______/
UBUNTU SERVER LTS 22.04.3 - https://ubuntu.com/download/server
KUBERNETES 1.29.1 - https://kubernetes.io/releases/
CONTAINERD 1.7.13 - https://containerd.io/releases/
RUNC 1.1.12 - https://github.com/opencontainers/runc/releases
CNI PLUGINS 1.4.0 - https://github.com/containernetworking/plugins/releases
CALICO CNI 3.27.2 - https://docs.tigera.io/calico/3.27/getting-started/kubernetes/quickstart
3 NODES, 2 vCPU, 8 GB RAM, 50GB Disk EACH
k8s-control 192.168.15.93
k8s-1 192.168.15.94
k8s-2 192.168.15.95
### ALL:
sudo su
printf "\n192.168.15.93 k8s-control\n192.168.15.94 k8s-1\n192.168.15.95 k8s-1\n\n" >> /etc/hosts
printf "overlay\nbr_netfilter\n" >> /etc/modules-load.d/containerd.conf
modprobe overlay
modprobe br_netfilter
printf "net.bridge.bridge-nf-call-iptables = 1\nnet.ipv4.ip_forward = 1\nnet.bridge.bridge-nf-call-ip6tables = 1\n" >> /etc/sysctl.d/99-kubernetes-cri.conf
sysctl --system
wget https://github.com/containerd/containerd/releases/download/v1.7.13/containerd-1.7.13-linux-amd64.tar.gz -P /tmp/
tar Cxzvf /usr/local /tmp/containerd-1.7.13-linux-amd64.tar.gz
wget https://raw.githubusercontent.com/containerd/containerd/main/containerd.service -P /etc/systemd/system/
systemctl daemon-reload
systemctl enable --now containerd
wget https://github.com/opencontainers/runc/releases/download/v1.1.12/runc.amd64 -P /tmp/
install -m 755 /tmp/runc.amd64 /usr/local/sbin/runc
wget https://github.com/containernetworking/plugins/releases/download/v1.4.0/cni-plugins-linux-amd64-v1.4.0.tgz -P /tmp/
mkdir -p /opt/cni/bin
tar Cxzvf /opt/cni/bin /tmp/cni-plugins-linux-amd64-v1.4.0.tgz
mkdir -p /etc/containerd
containerd config default | tee /etc/containerd/config.toml <<<<<<<<<<< manually edit and change SystemdCgroup to true (not systemd_cgroup)
vi /etc/containerd/config.toml
systemctl restart containerd
swapoff -a <<<<<<<< just disable it in /etc/fstab instead
apt-get update
apt-get install -y apt-transport-https ca-certificates curl gpg
mkdir -p -m 755 /etc/apt/keyrings
curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.29/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.29/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list
apt-get update
reboot
sudo su
apt-get install -y kubelet=1.29.1-1.1 kubeadm=1.29.1-1.1 kubectl=1.29.1-1.1
apt-mark hold kubelet kubeadm kubectl
# check swap config, ensure swap is 0
free -m
### ONLY ON CONTROL NODE .. control plane install:
kubeadm init --pod-network-cidr 10.10.0.0/16 --kubernetes-version 1.29.1 --node-name k8s-control
export KUBECONFIG=/etc/kubernetes/admin.conf
# add Calico 3.27.2 CNI
kubectl create -f https://raw.githubusercontent.com/projectcalico/calico/v3.27.2/manifests/tigera-operator.yaml
wget https://raw.githubusercontent.com/projectcalico/calico/v3.27.2/manifests/custom-resources.yaml
vi custom-resources.yaml <<<<<< edit the CIDR for pods if its custom
kubectl apply -f custom-resources.yaml
# get worker node commands to run to join additional nodes into cluster
kubeadm token create --print-join-command
###
### ONLY ON WORKER nodes
Run the command from the token create output above
