Use WeeChat and GNU Screen to create and maintain connections to IRC networks
Install the ZNC bouncer on Debian to retain an IRC connection.
Advanced tips and tricks for using the Irssi IRC client.
Install Openfire on Ubuntu 12.04 for Instant Messaging.
Getting started with ejabberd, an instant messaging server written in Erlang/OTP on CentOS 5.
Use IRC and GNU Screen to maintain persistent connections to IRC networks.
Use ejabberd for Instant Messaging on Ubuntu-12-04.
Installation and basic usage guide for Prosody, a lightweight XMPP server on Ubuntu 12.04 (Lucid).
Getting started with Openfire on CentOS 5, an open source instant messaging server built on the XMPP/Jabber protocol.