How to Disable IPv6 in CentOS

An internet protocol version 6 (IPv6) is an identifier of a network interface that’s involved in an IPv6 computer network. If you don’t want to use Ipv6 addressing, you can opt to disable it either temporarily or permanently. Disabling IPv6 in CentOS First, check whether IPv6 is enabled on your CentOS 8 machine using the … Read more

How to disable IPv6 in Ubuntu

ubuntu

 How to disable IPv6 in Ubuntu To disable ipv6, you have to open /etc/sysctl.conf using any text editor and insert the following lines at the end: net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 net.ipv6.conf.lo.disable_ipv6 = 1 If ipv6 is still not disabled, then the problem is that sysctl.conf is still not activated. To solve this, open a terminal(Ctrl+Alt+T) and type … Read more