What is Magic SysRq and how do I enable it?

Ask Fedora
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2

Mostly yes, for security reasons.

sudo tee /etc/sysctl.d/90-sysrq.conf << EOF > /dev/null
kernel.sysrq = 1
EOF
sudo systemctl restart systemd-sysctl.service

QA/Sysrq - Fedora Project Wiki

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