Install Pi-hole DoH (LXC)

Install

ลง pihole ผ่าน Container ปกติให้เรียบร้อย

https://docs.pi-hole.net/main/basic-install/

แล้วลง

Cloudflared

apt install cloudflared
nano /etc/default/cloudflared

Paste:

CLOUDFLARED_OPTS=--port 5353 --upstream https://1.1.1.1/dns-query --upstream https://1.0.0.1/dns-query --upstream https://[2606:4700:4700::1111]/dns-query --upstream https://[2606:4700:4700::1001]/dns-query

save โดย Ctrl+X, y, Enter

nano /etc/systemd/system/cloudflared.service

[Unit]
Description=cloudflared DNS over HTTPS proxy
After=syslog.target network-online.target

[Service]
EnvironmentFile=/etc/default/cloudflared
ExecStart=/usr/local/bin/cloudflared proxy-dns $CLOUDFLARED_OPTS
Restart=on-failure
RestartSec=10
KillMode=process

[Install]
WantedBy=multi-user.target

save โดย Ctrl+X, y, Enter

systemctl enable cloudflared
systemctl start cloudflared

Then in pihole add "127.0.0.1#5353" as your custom DNS server

https://discourse.pi-hole.net/t/cloudflared-legacy-service-install-fails/54160/22

Upgrade

Pihole

pihole -up

Cloudflared (ทำครั้งเดียวแล้วจะอัพเดทไปพร้อม apt update apt upgrade -y)

# Add cloudflare gpg key
sudo mkdir -p --mode=0755 /usr/share/keyrings
curl -fsSL https://pkg.cloudflare.com/cloudflare-main.gpg | sudo tee /usr/share/keyrings/cloudflare-main.gpg >/dev/null

# Add this repo to your apt repositories
echo 'deb [signed-by=/usr/share/keyrings/cloudflare-main.gpg] https://pkg.cloudflare.com/cloudflared buster main' | sudo tee /etc/apt/sources.list.d/cloudflared.list

apt update && apt upgrade -y