Bitcoin mining Debian Lenny
Helping The Random Number Generator To Gain Enough Entropy With rng-tools (Debian Lenny)
Version 1.0Author: Falko Timme
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Last edited 12/06/2010
You might know this situation: you want to generate a GPG or SSL key, and during that operation, your system tells you that no more random bytes are available and that it needs to collect more entropy, and you are stuck. This short guide tells you how to solve this problem with the package rng-tools on Debian Lenny.
I do not issue any guarantee that this will work for you!
1 Preliminary Note
Let's assume you want to generate a GPG key:
gpg --gen-key
If you are unlucky, the command might stop in the middle with a message like this:
We need to generate a lot of random bytes. It is a good idea to perform
some other action (type on the keyboard, move the mouse, utilize the
disks) during the prime generation; this gives the random number
generator a better chance to gain enough entropy.
++++++++++..+++++.+++++++++++++++.++++++++++...+++++++++++++++...++++++
+++++++++++++++++++++++++++++.+++++..+++++.+++++.+++++++++++++++++++++++++>.
++++++++++>+++++...........................................................+++++
Not enough random bytes available. Please do some other work to give
the OS a chance to collect more entropy! (Need 284 more bytes)
Source: www.howtoforge.com
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