Openfire (previously known as Wildfire, and Jive Messenger) is an instant messaging (IM) and groupchat server that uses XMPP server written in Java and licensed under the Apache License 2.0.
Install Java
You can use WebUpd8 PPA (this will download the required files from Oracle and install JDK 8)
sudo apt-add-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer
http://www.igniterealtime.org/downloads/index.jsp
download it from above siteYou may also, use following wget command to download package and install it using dpkg command as shown below.
On Debian/Ubuntu/Linux Mint
# wget http://download.igniterealtime.org/openfire/openfire_3.10.2_all.deb # dpkg -i openfire_3.10.2_all.deb
Go to your web browser <IP of the server>:9090 (note the port)in Client you have to install spark http://www.igniterealtime.org/downloads/index.jsp This below log in image from windows 7
username :admin Password : You gave.see the logged users info.
TECH INFO 