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Disable ipv6 on mint/ubuntu

Thursday, February 5th, 2015

How to disable ipv6 on ubunut distros

Edit the sysctl.conf file

sudo emacs /etc/sysctl.conf

append the following to the end of the file

# IPv6 disabled
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1

Reload sysctl config

sudo sysctl -p

Now checks its gone by running ipconfig

eth0   Link encap:Ethernet HWaddr e0:db:55:bc:1e:bb 
       inet addr:192.168.0.133 Bcast:192.168.0.255 Mask:255.255.255.0
       UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
       RX packets:429875 errors:0 dropped:0 overruns:0 frame:0
       TX packets:154053 errors:0 dropped:0 overruns:0 carrier:0
       collisions:0 txqueuelen:1000 
       RX bytes:300878637 (300.8 MB) TX bytes:17446275 (17.4 MB)