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https://github.com/kelseyhightower/kubernetes-the-hard-way.git
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24 lines
527 B
Bash
24 lines
527 B
Bash
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#!/usr/bin/env bash
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# Step 2 - Set up Operating System Prerequisites
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# Load required kernel modules
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sudo modprobe overlay
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sudo modprobe br_netfilter
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# Persist modules between restarts
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cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
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overlay
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br_netfilter
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EOF
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# Set required networking parameters
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cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
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net.bridge.bridge-nf-call-iptables = 1
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net.bridge.bridge-nf-call-ip6tables = 1
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net.ipv4.ip_forward = 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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