Setup : Ubuntu Server on Virtual Machine with 6 cores and 3GB of RAM.

when I am trying to generate a `asymmetric key pair` via `GPG` like this `gpg --gen-key` . I get the following error :

```
Not enough random bytes available.  Please do some other work to give
the OS a chance to collect more entropy!

```

I tried to google a little bit. This is what I realise , 
I need to fire up another terminal and type in `cat /udev/random` --> It randomly generates a series of randomly generated values to increase the entropy. 

I dont see any change in here `watch cat /proc/sys/kernel/random/entropy_avail`

and it still persists to give me the same error