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Disabling IPv6

IPv6 may be managed using sysctl:

bash

cat - > /etc/sysctl.d/ipv6-disable.conf <<EOF
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
EOF
sysctl --system

Confirm IPv6 unbound,

bash

ip -6 addr
# Reports empty

Regenerate all configuration,

bash

upcp -sb