Ubuntu 16.10 disable IPv6

Ubuntu 16.10 禁止IPv6

step 01

append the following snippets to file /etc/sysctl.conf

    #disable IPv6
    net.ipv6.conf.all.disable_ipv6     = 1
    net.ipv6.conf.default.disable_ipv6 = 1
    net.ipv6.conf.lo.disable_ipv6      = 1

step 02

make it take effect, execute command as root

    sudo sysctl -p

Good luck :-)