https://github.com/speed47/spectre-meltdown-checker
```
wget https://raw.githubusercontent.com/speed47/spectre-meltdown-checker/master/spectre-meltdown-checker.sh
chmod +x spectre-meltdown-checker.sh
sudo ./spectre-meltdown-checker.sh
```

via http://sebsauvage.net/links/?-1OI-Q
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