/etc/hosts : Block adservers, facebook products, and cryptominers urls

merge-blocked-hosts.sh

# Block advertisers, facebook products, and cryptominer scripts
# into a new file which can replace /etc/hosts.

# Make a dir to store the to-be downloaded files.
mkdir /etc/hosts.d/blocked
cp /etc/hosts /etc/hosts.d/blocked/previous-hosts-contents.txt
cd /etc/hosts.d/blocked

# Download block lists directly from officially maintained repositories.
curl -o adservers.txt https://raw.githubusercontent.com/anudeepND/blacklist/master/adservers.txt
curl -o facebook-extended.txt https://www.github.developerdan.com/hosts/lists/facebook-extended.txt
curl -o coinminers-all.txt https://gitlab.com/ZeroDot1/CoinBlockerLists/-/raw/master/list.txt?inline=false

# Merge all .txt files into one file.
# as the hosts file.

cat /etc/hosts.d/blocked/*.txt > /etc/hosts.d/blocked/hosts