sudo echo "#disable ipv6" >> /etc/sysctl.conf sudo echo "net.ipv6.conf.all.disable_ipv6 = 1" >> /etc/sysctl.conf sudo echo "net.ipv6.conf.default.disable_ipv6 = 1" >> /etc/sysctl.conf sudo echo "net.ipv6.conf.lo.disable_ipv6 = 1" >> /etc/sysctl.conf sudo sed -i 's|udp6|#udp6|g' /etc/netconfig sudo sed -i 's|tcp6|#tcp6|g' /etc/netconfig