OpenSSH /etc/ssh/ssh_host_ed25519_key

Original 📋 Debian 10 (Buster) 7 lines

Details

Size
7 lines
MD5
bc2ad6368398b076fc612b5e4f99009c
SHA256
4e2eab0842b09362dd15e543b891b959cb86c4ff7c24bd8dd16e10ae74c95c4b
/etc/ssh/ssh_host_ed25519_key
-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
QyNTUxOQAAACBGJfmhzoTfyPBU2D/+HNX4sqqf/uweGcvMZxiiKpJrUAAAAJhhI/fvYSP3
7wAAAAtzc2gtZWQyNTUxOQAAACBGJfmhzoTfyPBU2D/+HNX4sqqf/uweGcvMZxiiKpJrUA
AAAEDHHX7bWThES9vwpoB0vuV/Bzt/yTRgeeVUrVO82UXc30Yl+aHOhN/I8FTYP/4c1fiy
qp/+7B4Zy8xnGKIqkmtQAAAAEXJvb3RANWQ3ZmRjOTQ3NWY3AQIDBA==
-----END OPENSSH PRIVATE KEY-----

Copy & Paste

curl:
curl https://exampleconfig.com/api/v1/config/original/bc2ad6368398b076fc612b5e4f99009c?hint=ssh_host_ed25519_key
wget:
wget -O ssh_host_ed25519_key https://exampleconfig.com/api/v1/config/original/bc2ad6368398b076fc612b5e4f99009c?hint=ssh_host_ed25519_key

For AI Agents

<prompt><role>DevOps agent</role><source url='https://exampleconfig.com/api/v1/config/original/bc2ad6368398b076fc612b5e4f99009c?hint=ssh_host_ed25519_key' /><config><app>OpenSSH</app><os>Debian 10 (Buster)</os><location>/etc/ssh/ssh_host_ed25519_key</location><lines>7</lines><md5>bc2ad6368398b076fc612b5e4f99009c</md5><sha256>4e2eab0842b09362dd15e543b891b959cb86c4ff7c24bd8dd16e10ae74c95c4b</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

File Path
/etc/ssh/ssh_host_ed25519_key
Directory
/etc/ssh/
Significance
System-wide configuration directory
Description
Files in /etc/ contain system-wide configuration settings that affect all users.

FAQ

When should I use this ssh_host_ed25519_key?

Use it to restore a missing default, confirm what shipped, or diff against your current OpenSSH config.

How do I restore OpenSSH defaults?

Download the file, back up the current one in /etc/ssh/ssh_host_ed25519_key, replace it, then reload or restart OpenSSH.

Is ssh_host_ed25519_key safe for production?

It is the vendor default for Debian 10 (Buster). 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 10 (Buster).

Can I use this for OpenSSH troubleshooting?

Yes. Diff it against yours to find drift, then restore only the sections you need.