Linux Mint / Ubuntu:

-

 apt-key Is Deprecated


sudo curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo gpg --dearmour -o /usr/share/keyrings/yarnkey.gpg

References:
- https://www.linuxuprising.com/2021/01/apt-key-is-deprecated-how-to-add.html

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