Install OpenFire For LAN Chat

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In order to support chat in LAN, install Openfire, following are the steps for installing and configurating.

Local Machine

$ wget 
$ apt-get update &&  apt-get install default-jre

Since another people is also installing this. Change it to DigitalOcean.

Dockerize Openfire

Get the image via:

docker pull sameersbn/openfire

Since the installation is already done, docker ignored…