Urandom warning(s) missed due to ratelimiting-foutmelding
In mei 2020 kreeg ik deze foutmelding op een server:
Urandom warning(s) missed due to ratelimiting-foutmelding
Reactie van Linode:
These messages are the result of a bug that exhausts the entropy pool on your system. While this pool is typically refilled over time through various actions (such as disk activity, keyboard timings, mouse movements, etc), you can also use a software solution.
Verderop in dezelfde thread:
This can cause delays in how quickly sshd (and maybe other services) become(s) available after boot. I second the recommendation already given above to install haveged.
Bronnen
- https://www.linode.com/community/questions/17915/why-did-my-server-miss-urandom-warnings-due-to-rate-limiting
- https://en.wikipedia.org/wiki/Entropy_(computing)
- https://wiki.archlinux.org/index.php/Haveged
- https://www.digitalocean.com/community/tutorials/how-to-setup-additional-entropy-for-cloud-servers-using-haveged