DIY Script for Dynamic DNS using Cloudflare APIs

INSTALLATION

HomeBrew (only for macOS and linux amd64 and arm64)

brew install ctrlaltdev/tap/diyddns

or

brew tap ctrlaltdev/tap
brew install diyddns

Easy Shell Script

curl -fSsL https://git.io/JcbyA | sh

It will prompt you for your OS and ARCH to download and install the right version - it will require sudo to install the binary to /usr/local/bin

DIY Shell Script

version=v2.1.0

echo -n "What is your OS? [darwin/linux] "
read os
echo -n "What is your ARCH? [amd64/arm64/armv7/armv6/armv5] "
read arch

curl -o DIYDDNS-$os-$arch.tar.gz -sL https://github.com/ctrlaltdev/DIYDDNS/releases/download/$version/DIYDDNS-$os-$arch.tar.gz
curl -o DIYDDNS-$os-$arch.tar.gz.sha256 -sL https://github.com/ctrlaltdev/DIYDDNS/releases/download/$version/DIYDDNS-$os-$arch.tar.gz.sha256
sha256sum -c DIYDDNS-$os-$arch.tar.gz.sha256

tar xzf DIYDDNS-$os-$arch.tar.gz

rm DIYDDNS-$os-$arch.tar.gz*

sudo mv DIYDDNS /usr/local/bin/

echo "\nDIYDDNS INSTALLED\n"

DIYDDNS -h

INIT

You'll need your Cloudflare API Key (in your profile, on cloudflare website)

DIYDDNS -init

and provide your cloudflare email and api key when prompted

RUN IT LIKE YOU MEAN IT

Now that you're set, you have to make that run: all hail the mighty cron

You should be able to use something like that:

* * * * * DIYDDNS -fqdn sub.domain.tld >> /dev/null