ArchLinux OpenSSH Entropy
A new install of ArchLinux on my Qotom went fine until I enabled the SSH server and rebooted it. I had an issue whereby I could not remotely connect to the SSH server until I logged in the first time. After doing some reading online, I saw on a forum someone mentioning the SSH server is probably lacking sufficient entropy to start. So I tried it on my Arch install and voila, it worked. I’m jotting the technique down here so I can remember it for the future.
rng-toolsfrom the repository
pacman -Syu rng-tools
rngdso it can do some gathering right now
systemctl start rngd
- Remember to enable
rngdso it starts on system boot-up.
systemctl enable rngd
What actually happened is OpenSSH was lacking sufficient randomization for it to generate session keys. It kept waiting until a sufficient ammount was gathered before it started. However, since the server had almost very little activity, it could not generate sufficient randomization to be fed into
Hopefully this also helps anyone else who might encounter this issue. Cheers.