Feeding the kernels entropy source from other machines and/or increasing its maximum size
- by David Spillett
We have has a little trouble with a small box that acts as a VPN end-point and mail relay for our network, caused by the available entropy for /dev/random being too low (which causes TLS connection attempts by exim to fail).
The machine doesn't do anything else, so the normal feed into the entropy pool (interrupt timings from things like disk…