I am trying to disable ipv6 from loading at boot. Normally I would do this by modifying /etc/default/grub , but I learned that parameters are appended in LMDE by creating a config file in /etc/default/grub.d/90_override.cfg and it would look like this:
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#! /bin/sh
set -e
GRUB_CMDLINE_LINUX_DEFAULT="ipv6.disable=1"
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sudo sysctl -a | grep -i ipv6
I like to disable ipv6 to prevent DNS leaks.
My 90_override.cfg file currently looks like this:
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#! /bin/sh
set -e
GRUB_CMDLINE_LINUX_DEFAULT="plymouth.enable=0,ipv6.disable=1"