Linux Ubuntu Disable IPV6

You need to disactivate IPv6, to do that, open terminal and enter the following commands:

echo “#disable ipv6″ | sudo tee -a /etc/sysctl.conf

echo “net.ipv6.conf.all.disable_ipv6 = 1″ | sudo tee -a /etc/sysctl.conf

echo “net.ipv6.conf.default.disable_ipv6 = 1″ | sudo tee -a /etc/sysctl.conf

Then restart your system.