Am not a fan of disabling IPv6 but occasionally, you find software that does not play nice on systems that have dual v4 and v6 stacks running. And this is how to disable it on Ubuntu. These instructions will work on other Linux systems.
Edit /etc/sysctl.conf Add the following code or simply uncomment them if they already exist.
net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 net.ipv6.conf.lo.disable_ipv6 = 1 And run the following command to effect these changes immediately.
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