Removing MongoDB from Ubuntu

I recently started to mess with setting up ReplicaSets. After some testing and playing, I was wanting to remove MongoDB and all settings, and start with a fresh install on all systems to get it set-up for production mode. I assumed sudo apt-get --purge remove mongodb mongodb-clients mongodb-server mongodb-dev mongodb-10gen followed by sudo apt-get autoremove would take care and I could just start again with install. The problem is, when I do the fresh install, start up the Mongo Shell, it automatically starts me back up as if I was in my development mode ReplicaSets? I have removed my .confs and mongodb directory from /var/lib/ but that still does not take care of it. During the install, I get the prompt (Reading database ... 76829 files and directories currently installed.) Where are these? I do a sudo dpkg -L mongodb-10gen and get that it is not installed?

Any advice to help me avoid a complete Ubuntu re-install would be very helpful. Thanks in advance for any guidance given!

Nathan

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Source : Link , Question Author : w3rthl3ss , Answer Author : John