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I recently got a soundbot wireless portable speaker, which is by the way really great! but It had some issues making it work with ubuntu. After pairing it was working with Headset Head unit (HSP/HFP)  which produced a really bad audio quality. to get the sound right It should be using the High Fidelity playback (A2DP Sink) but it wouldn't select that profile from the sound preferences. Read more »

Node.js is an opensource JavaScript based framework for server-side scripting. Ubuntu Repository has the older version of node.js To get the updated version you need to install node.js using the PPA by provided by NodeSource. for 6.x versions (LTS version) curl -sL https://deb.nodesource.com/setup_6.x | sudo -E bash - for 7.x versions (current active release) curl -sL https://deb.nodesource.com/setup_7.x | sudo -E bash - after this the PPA will be added and repository will be updated automatically, now install the updated node.js version sudo apt-get install nodejs