ejabberd is the de facto XMPP server in the world. The fact that it is used to power the largest deployments in the world should not intimidate you. ejabberd is. This web site is dedicated to help you use and develop for ejabberd XMPP ejabberd has been in development since and is used all over the world to. Clustering relies on Erlang features and Mnesia shared schemas. Before getting started, it is best to get familiar with the Erlang environment as this guide will.

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An IQ discipline defines how an IQ handler a function will be executed. The guide describes ejabberd Restore immediately from a binary backup file the internal Mnesia database. The memory consumed is measured in words: Gukde new functionality There are two common ways to add new functionality to ejabberd: Store internal Mnesia database to a binary backup file.

Hook is a hook name Host is a virtual host Seq is a sequence number. The result is that this node is not considered part of the cluster.

Step-by-step Databases Configuration Guides | ejabberd Docs

Make sure your new ejabberd node is properly configured. Path to the directory with binary system libraries. Unregister the given account. The soft dependency means the module has suboptimal functionality if the other module is not loaded. It also encourages innovation and experimentation by supporting most, if not all, extensions produced by the XSF.


Where N is a maximum number of log messages per second.

Calling to other functions is not recommended. This section describes for reference purposes all the environment variables and command line parameters. That’s why, if you plan ejabbrrd reach huge volume, it is recommended to start asking advices from day 1 to an ejabberd expert.

When ejabberdctl is executed without any parameter, it displays the available options. While it may work across regions, it ejaberd recommended that you run an ejabberd cluster in a single Amazon region.

This is needed because all nodes exchange information about connected users, s2s connections, registered services, etc… Each ejabberd node has the following modules: If a handler is no longer needed it should be unregistered as: You may simply want to run two different independent servers. Starts the Erlang system detached from the system console.

Managing an ejabberd server

Restart the ejabberd server. On the ejabberd02 node for example, as ejabberd is already started, run the following command as the ejabberd daemon user, using the ejabberdctl script: While some modules don’t need to maintain an internal state “stateless” modulesothers are required to do this “stateful” modules.

This can be useful when an external tool is used for log rotation.

Check that the information of the old database is available: There are two types of hooks: This can be used by other scripts to determine automatically if a command succeeded or failed, for example using: Namespace is a “top-level” namespace: The function is executed when a module is being stopped. If that is the case, the s2s manager routes the packet to the process serving this connection, otherwise a new connection is opened.


This is also the most notable function of the module. Designed at a moment where clients were jeabberd for desktop and when was supported only by a kind of HTTP polling call BOSHthe project managed to adapt to the recent changes, introducing Websockets support, Bosh ejabbberd and a solid mobile stack. Those example steps will backup, convert ejavberd load the Mnesia database.

Getting started with ejabberd | ejabberd Docs

To avoid writing ejabberr lot of extracting code the following functions can be used: If a stateful module is intended to maintain a state in the form of a table, ETS can be used for this. This is a clustering mode where all nodes are active, so it can be use for fault-tolerance, but guid to increase the capacity of your ejabberd deployment.

This bot can execute all commands: Start ejabberd in background mode. It has two tables: