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russelldavies/init.sh

Last active May 7, 2024 14:09
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IPv6 bootstrap EC2 instance
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init.sh
#!/bin/sh
# nat64.net NAT64 DNS resolvers
# This can be removed once AWS adds IPv6 DNS records for various services, e.g. SSM
echo 'DNS=2a00:1098:2c::1 2a01:4f9:c010:3f02::1 2a01:4f8:c2c:123f::1\nDomains=~.' >> /etc/systemd/resolved.conf
systemctl restart systemd-resolved.service
snap switch --channel=candidate amazon-ssm-agent
snap refresh amazon-ssm-agent
# AWS Ubuntu repo doesn't support IPv6 so use default
sed -E -i 's/[a-z]{2}-[a-z]+-[0-9]\.ec2\.//g' /etc/apt/sources.list
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