Hardware that runs, or can run Linux:
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http://fsckin.com/2007/11/06/20-awesome-devices-that-run-linux-but-werent-designed-to/
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Sony used to support it but then removed, likely security? https://www.playstation.com/ps3-openplatform/ https://en.wikipedia.org/wiki/OtherOS
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PS4 https://www.reddit.com/r/PS4/comments/2jqtcu/is_there_any_way_to_install_any_linux_distro_on/
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Game Boy https://en.wikipedia.org/wiki/Ubiquity_%28software%29