debian-kube-worker.md

• install basic stuff

apt install -y apt-transport-https arptables ca-certificates ebtables gnupg2 haveged openssl dirmngr

• add gpg keys & repos, install docker

wget -qO- https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
wget -qO- https://download.docker.com/linux/debian/gpg | apt-key add -
{
  printf 'deb http://apt.kubernetes.io/ kubernetes-xenial main\n';
  printf 'deb [arch=%s] https://download.docker.com/linux/debian buster stable\n' "$(dpkg --print-architecture)";
} | tee -a /etc/apt/sources.list
apt update
apt install -y docker-ce

• set compatibility executables for kube firewalling

for i in arp eb ip ip6; do update-alternatives --set ${i}tables $(which ${i}tables-legacy); done

• disable swap

swapoff -a
sed -i '/swap/ s/^#*/#/' /etc/fstab
# on a rpi
systemctl disable dphys-swapfile

• reboot
• install kubernetes

apt install -y kubeadm kubelet

• get token from master (kubeadm token create --print-join-command)

kubeadm join api.adv.addr:6443 --token xxxx.yyyyyyyy --discovery-token-ca-cert-hash sha256:00000000000000000000000000000000000000000000000000000000000000000