Disable IPv6 on Ubuntu 10.04 Lucid Lynx

Add to /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


and reboot... or for a quickie, 'echo 1 > /proc/sys/net...' as root

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