20 lines
566 B
Bash
20 lines
566 B
Bash
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#!/bin/bash
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#
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# Sets up the kernel with the requirements for running Kubernetes
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# Requires a reboot, which is carried out by the vagrant provisioner.
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set -ex
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# Disable cgroups v2 (kernel command line parameter)
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sed -i 's/GRUB_CMDLINE_LINUX_DEFAULT="/GRUB_CMDLINE_LINUX_DEFAULT="systemd.unified_cgroup_hierarchy=0 ipv6.disable=1 /' /etc/default/grub
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update-grub
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# Add br_netfilter kernel module
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echo "br_netfilter" >> /etc/modules
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# Set network tunables
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cat <<EOF >> /etc/sysctl.d/10-kubernetes.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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EOF
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