Publish-Subscribe pattern and PubSub in ejabberd

Publish–Subscribe is a messaging pattern where senders of messages, called publishers, do not send the messages directly to specific receivers, called subscribers. Instead, publishers categorize messages into channels without knowledge of which subscribers, if any, there may be. Similarly, subscribers express interest in one or more channels and only receive messages that are of interest, […]

Install and configure MariaDB with ejabberd

By default, ejabberd uses the Mnesia internal database. It is great for home and small office environments, but in larger companies, as the amount of chat logs and users grows, we need more scalability. Today, I will show you how to install MariaDB, a MySQL-compatible database, migrate your data and configure ejabberd to use MariaDB […]

Jamler XMPP server, an OCaml experiment based on ejabberd 2.1.8

During the interview with Alexey Shchepin we had last week, the author of ejabberd mentioned Jamler. Did you notice? Jamler is an experimental XMPP server, developed mainly in 2011 as an attempt to rewrite ejabberd in OCaml. The goal was to see how static typing would affect ejabberd and its code originally written in Erlang, […]

Interview with Alexey Shchepin, creator of ejabberd

This month, ejabberd is 18 years old. On this occasion we talked with Alexey Shchepin, who created ejabberd in November 2002. Today, ejabberd is one of the most popular XMPP servers in the world, used by millions of people, devices and many big companies like Facebook, WhatsApp, or CCP Games (famous for the EVE Online […]

Happy 18th Birthday, ejabberd!

This month marks 18 years of ejabberd development. Alexey Shchepin started ejabberd in November 2002. Since then it has grown to a super-scalable and rock-solid real-time communication server.

Getting started with WebSocket API in ejabberd

The WebSocket API, as neatly explained by the MDN, is a technology that makes it possible to open a two-way interactive communication session between the user’s browser and a server. With WebSocket API, you can send messages to a server and receive event-driven responses without having to poll the server for a reply.

Starting with MQTT protocol and ejabberd MQTT broker

Update January 2022: This tutorial is slightly out of date. In case of problems, please consult the corresponding section in the ejabberd documentation: MQTT Support. MQTT stands for Message Queuing Telemetry Transport. It is a simple and lightweight publish/subscribe messaging protocol: MQTT broker sends & relays messages to MQTT clients. It was designed for constrained […]

Check ejabberd XMPP server useful configuration steps

In this article I will share some configuration steps that I made while I was preparing my previous ejabberd XMPP server tutorials. I assume the starting ejabberd configuration from my article on setting up your ejabberd real time IM server and configuring ejabberd video & voice calling

How to configure ejabberd to get 100% in XMPP compliance test

Your ejabberd XMPP server is a powerful piece of software. But configuring everything requires several steps. Your best place to start is this hands-on ejabberd installation tutorial and this ejabberd STUN/TURN tutorial. If you have specific questions, first be sure to consult the official ejabberd documentation.

Real-time Radar #27

ProcessOne curates the Real-time Radar – a newsletter focusing on articles about technology and business aspects of real-time solutions. Here are the articles we found interesting in Issue #27. To receive this newsletter straight to your inbox on the day it is published, subscribe here. » Do you want to enhance your business with real […]

Real-time Radar #26

ProcessOne curates the Real-time Radar – a newsletter focusing on articles about technology and business aspects of real-time solutions. Here are the articles we found interesting in Issue #26. To receive this newsletter straight to your inbox on the day it is published, subscribe here. » Do you want to enhance your business with real […]

ejabberd 19.09.1

We are announcing a supplemental bugfix release of ejabberd version 19.09.1. The main focus has been to fix the issue with webadmin returning 404 Not Found when Host header doesn’t match anything in configured hosts.