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To have have BitBabbler device(s) begin feeding entropy to the kernel
at boot, add these lines to /etc/rc.d/rc.local:
# Start BitBabbler TRNG.
if [ -x /etc/rc.d/rc.seedd ]; then
. /etc/rc.d/rc.seedd start
fi
It's a good idea to stop devices before capturing the entropy pool
on reboot/shutdown, so add these lines to /etc/rc.d/rc.local_shutdown:
# Stop BitBabbler TRNG.
if [ -x /etc/rc.d/rc.seedd ]; then
. /etc/rc.d/rc.seedd stop
fi
Additional changes to the operating configuration of BitBabbler
devices on boot can be set in /etc/bit-babbler/seedd.conf.
Finally, ensure relevant files are executable:
chmod 755 /etc/rc.d/rc.local \
/etc/rc.d/rc.local_shutdown \
/etc/rc.d/rc.seedd
N.B. If changes to the udev rules are needed,
cp /lib/udev/rules.d/90-bit-babbler.rules /etc/udev/rules.d
and modify the copy in /etc/udev/rules.d. eudev will only use the
copy in /etc/udev/rules.d if the filenames are the same.
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