====== Disable IPv6 in Ubuntu 12.04 Precise Pangolin/Linux Mint 13/Any Ubuntu or Mint Version ======

Add the code below to **/etc/sysctl.conf**

  sudo vi /etc/sysctl.conf

<code>
# IPv6
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
</code>

  sudo sysctl -p


links

[[http://www.noobslab.com/2012/05/disable-ipv6-if-your-internet-is.html]]