/etc/modprobe.d/blacklist:
blacklist ipv6
http://ubuntu-tutorials.com/2007/11/18/how-to-disable-ipv6-on-ubuntu-710-gutsy-gibbon/
/etc/modprobe.d/blacklist:
blacklist ipv6
http://ubuntu-tutorials.com/2007/11/18/how-to-disable-ipv6-on-ubuntu-710-gutsy-gibbon/
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[...] ipv6 in Ubuntu try this or: cat /proc/sys/net/ipv6/conf/all/disable_ipv6 0 means it’s enabled and 1 – [...]