Testando se o Linux está afetado pela vulnerabilidade Meltdown

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sudo apt-get install git make build-essential
git clone https://github.com/raphaelsc/Am-I-affected-by-Meltdown.git
cd Am-I-affected-by-Meltdown
 
make
 
sudo sh -c "echo 0 > /proc/sys/kernel/kptr_restrict"
 
./meltdown-checker