TecMint published a tutorial about creating your own IM/Chat server using “Openfire” in Linux.
How to Create Your Own IM/Chat Server Using "Openfire" in Linux
With the invention of the Internet, the way of communication revolutionized, a long ago. E-mail replaced traditional postal mail. The email was fast still there were some bottlenecks.
How to Create Your Own IM/Chat Server Using "Openfire" in Linux