Linux Disabling Ipv6

Disable ipV6 in order to save resources and clarify settings, improve security, etc.

Edit/include at /etc/sysctl.conf

ocm@achtung:~$ sudo vi /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

Reboot and check!