sudo mkdir -p /etc/systemd/system/rngd.service.d
sudo tee /etc/systemd/system/rngd.service.d/00-custom.conf << EOF > /dev/null
[Service]
ExecStart=
ExecStart=/sbin/rngd -f -r /dev/urandom
EOF
sudo systemctl daemon-reload
sudo systemctl restart rngd.service
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