Check if NetworkManager is running on Ubuntu / Debian

Usually you should be using NetworkManager by default (Ubuntu 14.04), just in case you want to be sure, use this command to verify:

In case there is some output like:

it is installed, if there is nothing returned, you are probably using a different network managing daemon.

It would be possible that network manager is installed but inactive. Lets check if its running the hard way:

If thats returning something different than itself, you can be sure using the NetworkManager in Ubuntu / Debian.

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