disable-ipv6.sh

#!/bin/bash
# vagrant-cookbook
# Copyright (C) 2015 Pelagicore AB
#      
# Permission to use, copy, modify, and/or distribute this software for 
# any purpose with or without fee is hereby granted, provided that the 
# above copyright notice and this permission notice appear in all copies. 
#  
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 
# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED  
# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR 
# BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES 
# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 
# ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 
# SOFTWARE.
#   
# For further information see LICENSE
# 
#
# Usage: disable-ipv6.sh
#
# Disable IPv6 in the host, often we dont need to have IPv6 support.
#

echo  "Disabling IPv6"
echo "net.ipv6.conf.all.disable_ipv6 = 1
      net.ipv6.conf.default.disable_ipv6 = 1
      net.ipv6.conf.lo.disable_ipv6 = 1
      net.ipv6.conf.eth0.disable_ipv6 = 1" >> /etc/sysctl.conf
sysctl -p