How to install Openfire on Ubuntu 22.04 | VPS Tutorial

Openfire is a popular and powerful instant messaging (IM) server utilizing XMPP/Jabber protocol. Openfire also has all the features of a decent Presence Server. Openfire has proven to be the base for a range of XMPP products. You can extend its features by integrating it into third-party tools by using plugins like the Asterisk IM plugin.
Openfire is also defined as a real-time collaboration (RTC) server that requires a client to use it, but heaps of clients that support the XMPP protocol are available. The most popular one delivered by the same developers that designed Openfire is Spark.
XMPP( Extensible Messaging and Presence Protocol) is a widely adopted open protocol for instant messaging. It is a real-time communication protocol (which includes chat) based on XML.
Openfire provides cool features like:
- MySQL, Oracle, PostgreSQL, and embedded database support for user details and message storage.
- LDAP integration support
- Support both TLS and SSL for security
- Web GUI configuration manager
- Spark IM client integration
- A lot of plugins to extend its functionality
- Clustering to avoid a single point of failure
- Integrating with other external IM servers
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