Installing AdGuard Home on CentOS

sudo yum -y update && yum -y upgrade
yum install epel-release


sudo dnf info snapd
sudo dnf -y install snapd


sudo systemctl status snapd.socket
sudo systemctl enable --now snapd.socket
sudo ln -s /var/lib/snapd/snap /snap

sudo snap install adguard-home

snap services (Lists Adguard as running)

nslookup google.com 127.0.0.1
ip addr | grep 3000
netstat -na | grep 53
netstat -tulpn

Firewall Changes

sudo firewall-cmd --zone=public --add-port=3000/tcp --permanent
sudo firewall-cmd --zone=public --add-port=53/udp --permanent
sudo firewall-cmd --zone=public --add-port=80/tcp --permanent
sudo firewall-cmd --reload

Change to Static IP

sudo nmtui - Network Manager tool for CentOS
nmcli con mod enp0s3 ipv4.addresses "172.16.0.32/23" ipv4.dns 172.16.0.26 ipv4.gateway 172.16.1.254 ipv4.method manual
sudo nmcli connection down enp0s3 && sudo nmcli connection up enp0s3

sudo systemctl stop systemd-resolved && sudo systemctl disable systemd-resolved

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Setup in the  web browser now

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Do some test DNS Lookups from the HOST

nslookup google.com

nslookup google.dk

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Now a Remote Machine

nslookup www.youtube.com 172.16.0.33

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Log into AdGuard in th webbrowser and check the query log.

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So, DNS is now working - A few final changes.
We need to pdate our block lists
Filters > Blocklists

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Snap Management

sudo snap services
sudo snap restart adguard-home (This'll restart the service etc)

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Maintenance and Upgrading

Run "sudo snap refresh adguard-home" to update.

Which will update all your snap adguard package and not affect your other snaps.