Disable on ipv6 on Linux

 

Edit /etc/default/grub on Debian and add option

GRUB_CMDLINE_LINUX_DEFAULT="ipv6.disable=1 ..."
grub-mkconfig -o grub.cfg
update-grub

Edit /etc/sysconfig/grub on Centos and add option

GRUB_CMDLINE_LINUX_DEFAULT="ipv6.disable=1 ..."
grub2-update

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