1) open terminal and type (one by one) :
- echo “#disable ipv6″ | sudo tee -a /etc/sysctl.conf
- echo “net.ipv6.conf.all.disable_ipv6 = 1″ | sudo tee -a /etc/sysctl.conf
- echo “net.ipv6.conf.default.disable_ipv6 = 1″ | sudo tee -a /etc/sysctl.conf
- echo “net.ipv6.conf.lo.disable_ipv6 = 1″ | sudo tee -a /etc/sysctl.conf
reboot and we are done , else
2) at terminal type :
- sudo -s
- gksu gedit /etc/modprobe.d/ath9k.conf
and type right below the last line at the text :
options ath9k nohwcrypt=1
or at terminal type : sudo gedit /etc/sysctl.conf , and type below the last line : net.ipv6.conf.all.disable_ipv6 = 1 .
these commands should work for ubuntu , oneiric or presice pangolin , and are used to disable ipv6 when we are sure that ipv4 is fine . To be absolutely sure that we are using ipv4 we check the conversations tab here .
zeracuse 