removed the nodesource script and added the repository directly, see this warning:
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SCRIPT DEPRECATION WARNING
This script, located at https://deb.nodesource.com/setup_X, used to
install Node.js is deprecated now and will eventually be made inactive.
Please visit the NodeSource distributions Github and follow the
instructions to migrate your repo.
https://github.com/nodesource/distributions
The NodeSource Node.js Linux distributions GitHub repository contains
information about which versions of Node.js and which Linux distributions
are supported and how to install it.
https://github.com/nodesource/distributions
SCRIPT DEPRECATION WARNING
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removed the nodesource script and added the repository directly, see this warning: