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Reconfigure /etc/resolv.conf to use new name servers

Why should I care?

Will enable full use of GitHub on IPv6 limited nodes by using a public NAT64/DNS64 resolver

OPTIONAL - Append the DNS name servers into /etc/resolv.conf

NOTE: If you cannot update from a GitHub repo after this step, repeat step 1 and do not perform step 2

echo \ "#Public DNS Servers nameserver 1.1.1.1 nameserver 1.0.0.1 -a

Description

Command

1

Update /etc/resolv.conf to use the 1.1.1.1 and the public NAT64/DNS64 resolver

WARNING - This will overwrite any existing DNS entries, make sure you want to do this!

Code Block
echo \ "#TREX#Public Public DNS64 Resolvers nameserver 2001:67c:2b0::4 nameserver 2001:67c:2b0::6" \| sudo tee /etc/resolv.conf

2

DNS Servers
nameserver 1.1.1.1

Code Block


nameserver 1.0.0.1
nameserver 2606:4700:4700::1111
nameserver 2606:4700:4700::1001

#TREX Public DNS64 Resolvers
nameserver 2001:67c:2b0::4
nameserver 2001:67c:2b0::6" | sudo tee

 /etc/resolv.conf

32

Use chattr to prevent any VPS cloud configs from resetting /etc/resolv.conf

This will make /etc/resolv.conf immutable

Code Block
sudo chattr +i /etc/resolv.conf

Only run this if you need to edit /etc/resolv.conf again, you must disable immutability

Code Block
sudo chattr -i /etc/resolv.conf

43

Check your node's DNS connection settings

Code Block
systemd-resolve --status

Insert excerpt

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