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2 changes: 1 addition & 1 deletion README.md
Original file line number Diff line number Diff line change
Expand Up @@ -766,7 +766,7 @@ $ sudo qemu-system-x86_64 -kernel bzImage \
You need to run the command above three times, please ensure the `buildroot` rootfs image, `tap` device and MAC address in every VM must be different. Also, ensure that the `mrg_rxbuf=off` has been specified.

### Needed Steps in Every VM
#### Raondom Number Generator
#### Random Number Generator
`hostapd` and `wpa_supplicant` need the random number generator `/dev/random` for generating the random number used in a 4-way handshake. However, for some reason (which may be related to IRQ), accessing `/dev/random` may be not available or even not possible. And we found that `/dev/urandom` is always available, so we use a soft link to let the `/dev/random` link to `/dev/urandom`:
```shell
mv /dev/random /dev/random.orig
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