IPV6 is what we commonly call Internet Protocol, is the core protocol of TCP/IP, then how to open IPv6 under Linux? The following is an example of Ubuntu, to introduce you to Ubuntu enable IPv6 method.
Method:
$sudo Apt-get Install Miredo
$ifconfig
A virtual network card called Teredo should be visible in the results.
$ ping6 ipv6.google.com
PING ipv6.google.com (2404:6800:8003::93) data bytes
Bytes from 2404:6800:8003::93:icmp_seq=2 ttl=57 time=910 ms ...............
Your browser should now have access to the https://ipv6.google.com.
$sudo gedit/etc/hosts
Copy the host list to the hosts list. Address: Http://docs.google.com/View? Id=dfkdmxnt_61d9ck9ffq
You should now be able to access it normally: http://www.youtube.com/
Modify the following firewall settings: (This step is not normally used)
$sudo GEDIT/ETC/DEFAULT/UFW
Change Ipv6=no to Yes
Finally disable/enable the firewall for the changes to take effect:
$ sudo ufw disable
$ sudo ufw enable
Hosts
https://github.com/lennylxx/ipv6-hosts, download the Hosts file and change the Hosts file under Linux.
How Ubuntu enables Google on IPv6