Vassilis Kipouros KipourosV

Cloudflare DDNS bash client with systemd

This is a bash script to act as a Cloudflare DDNS client, useful replacement for ddclient.

Look out!

A newer version is available!

This gist will no longer update, instead please go to https://github.com/lifehome/systemd-cfddns for more updated versions.

How to use?

Put the cfupdater files to /usr/local/bin

If you are using IPv4 for A record, append -v4 to cfupdater in the following systemd service unit.

systemd Service Unit for Traefik

Adapted from caddy systemd Service Unit

The provided file should work with systemd version 219 or later. It might work with earlier versions. The easiest way to check your systemd version is to run systemctl --version.

Instructions

We will assume the following:

How to install and configure Caddy, a modern web server, running as a service on CentOS 6.8. You will also obtain a free SSL-Certificate for a website automatically.

This is in-depth guide how to install a modern web server named Caddy as service, that running from regular unprivileged user. You will also obtain a Free SSL-Certificate for a Website automatically.

Why Caddy?

Apache and Nginx are the two most common web servers in the world. Apache is a classical solution, but due to it's memory consumption (because to it's nature of creating a new process for each request) we will leave it for another occasion. Nginx is very fast and the RAM consumption is very-very low, if we need to serve static pages. But Nginx's configuration is not to easy read and understand, this is why we will try more flexible and clear solution, which is more intended for newbies.

Caddy is written is Go, open-source and pretty fast web server. If you're looking for low-memory solution the Cadd

	version: "3.5"

	# Variables to fill in:
	# Line 23: <LETSENCRYPT_MAIL_ADDRESS> - your mail address for contact with Let's Encrypt
	# Line 36: <TRAEFIK_DASHBOARD_ADMIN_PASSWORD> - MD5 hash of your password (use http://www.htaccesstools.com/htpasswd-generator/)
	# Line 54: <POSTGRES_PASSWORD> - the password for the postgres db. Use the same during mastodon:setup!
	# Lines 31, 86, 111: <DOMAIN> - e.g. social.yourdomain.com (Must have an A record pointing to your box' IP) (AAAA for IPv6 ;)

	services:
	traefik:

	#!/usr/bin/env sh

	# Download lists, unpack and filter, write to stdout
	curl -s https://www.iblocklist.com/lists.php \
	\| sed -n "s/.value='\(http:.=bt_.\)'./\1/p" \
	\| xargs wget -O - \
	\| gunzip \
	\| egrep -v '^#'

	S3_ACCESS_KEY_ID_GITLAB_BACKUP=<ACCESS_KEY>
	S3_SECRET_ACCESS_KEY_GITLAB_BACKUP=<SECRET_KEY>