修改系统配置

• vi /etc/sysctl.conf 最后添加

net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1

• 载入内核

sudo sysctl -p
sudo netplan apply

查看ip
ip addr show eno1
ip addr
ip a |grep inet6