When should I use this ssh_host_ed25519_key.pub?
Use it to restore a missing default, confirm what shipped, or diff against your current OpenSSH config.
OpenSSH /etc/ssh/ssh_host_ed25519_key.pub
Original
๐ Debian 9 (Stretch)
1 lines
Works On
Viewing:
Debian 9 (Stretch)
Same on:
Other versions:
Details
- Size
- 1 lines
- MD5
- b9d4d7b56076ac2c2d15771afe907a0e
- SHA256
- 76ec0a1f0b6875f80bf6fa9d43f45f5e74c0e03e29acac698060a291d334ee65
/etc/ssh/ssh_host_ed25519_key.pub
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAetYiDSxDS6ZZA1uUJlNVPiBfPvWKvBEUks3i4vcZaV root@5bb92bc4eb11
Copy & Paste
curl:
curl https://exampleconfig.com/api/v1/config/original/b9d4d7b56076ac2c2d15771afe907a0e?hint=ssh_host_ed25519_key.pub
wget:
wget -O ssh_host_ed25519_key.pub https://exampleconfig.com/api/v1/config/original/b9d4d7b56076ac2c2d15771afe907a0e?hint=ssh_host_ed25519_key.pub
For AI Agents
<prompt><role>DevOps agent</role><source url='https://exampleconfig.com/api/v1/config/original/b9d4d7b56076ac2c2d15771afe907a0e?hint=ssh_host_ed25519_key.pub' /><config><app>OpenSSH</app><os>Debian 9 (Stretch)</os><location>/etc/ssh/ssh_host_ed25519_key.pub</location><lines>1</lines><md5>b9d4d7b56076ac2c2d15771afe907a0e</md5><sha256>76ec0a1f0b6875f80bf6fa9d43f45f5e74c0e03e29acac698060a291d334ee65</sha256></config></prompt>
Paste into Claude, ChatGPT, or any AI assistant.
Install OpenSSH
Alpine Linux
sudo apk add openssh-server
Debian
sudo apt update && sudo apt install openssh-server
Red Hat Enterprise Linux
sudo yum install openssh-server
Ubuntu
sudo apt update && sudo apt install openssh-server
File Location
FAQ
How do I restore OpenSSH defaults?
Download the file, back up the current one in /etc/ssh/ssh_host_ed25519_key.pub, replace it, then reload or restart OpenSSH.
Is ssh_host_ed25519_key.pub safe for production?
It is the vendor default for Debian 9 (Stretch). Treat it as a baseline and review security and performance settings before production use.
How does this differ from other OS versions?
Defaults vary by distro and version. This copy matches Debian 9 (Stretch).
Can I use this for OpenSSH troubleshooting?
Yes. Diff it against yours to find drift, then restore only the sections you need.
