Disable IPv6 in Linux RPM distributions

FREQUENTLY ASKED QUESTIONS  (Linux)
Q: How to disable IPv6 module in Linux? (Fedora,CentOS,Redhat)

Disable IPv6 networking if not using. Add a new configuration file in "/etc/modprobe.d/"
[root@server ~#]vi /etc/modprobe.d/ipv6.conf

install ipv6 /bin/true

# (add the above line and save the file)

Remove ipv6tables from startup

[root@server ~#]service ipv6tables stop

[root@server ~#]chkconfig ipv6tables off

Reboot the machine to take effect.

[root@server ~#]reboot

LABELS: CentOS, extra-tips, FAQ, Fedora, How-To, IPv6, linux, Redhat