How to properly configure OpenWRT and ADblock?

Question

Ad blocking

Here is the article: habrahabr.ru/post/263081
But there the teams are not scheduled, If there were MS, there would be no questions .......

Answer 1

on the router, you can edit files using the vi command,
for example, vi '/root/hosts/upd-adfree.sh'
however, in order to edit them, you need to know some commands:
i - switch to edit mode
esc - exit edit mode
:wq - save and exit
:q! - exit without saving