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.
OpenSSH /etc/ssh/ssh_host_ed25519_key
Original
๐ Debian 9 (Stretch)
7 lines
Works On
Viewing:
Debian 9 (Stretch)
Same on:
Other versions:
Details
- Size
- 7 lines
- MD5
- aa7f28d97eb562d691688e16cf68001a
- SHA256
- 3205ff355db97a4bd9d96a34c88526e2de6465a28dc4115dc57c469f0c8d14e9
/etc/ssh/ssh_host_ed25519_key
-----BEGIN OPENSSH PRIVATE KEY----- b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW QyNTUxOQAAACAHrWIg0sQ0umWQNblCZTVT4gXz71irwRFJLN4uL3GWlQAAAJhAdJXgQHSV 4AAAAAtzc2gtZWQyNTUxOQAAACAHrWIg0sQ0umWQNblCZTVT4gXz71irwRFJLN4uL3GWlQ AAAECGRlI6BO0+UI59CGqyxA/m9t0iH2SO98XhU2qVmTdNjQetYiDSxDS6ZZA1uUJlNVPi BfPvWKvBEUks3i4vcZaVAAAAEXJvb3RANWJiOTJiYzRlYjExAQIDBA== -----END OPENSSH PRIVATE KEY-----
Copy & Paste
curl:
curl https://exampleconfig.com/api/v1/config/original/aa7f28d97eb562d691688e16cf68001a?hint=ssh_host_ed25519_key
wget:
wget -O ssh_host_ed25519_key https://exampleconfig.com/api/v1/config/original/aa7f28d97eb562d691688e16cf68001a?hint=ssh_host_ed25519_key
For AI Agents
<prompt><role>DevOps agent</role><source url='https://exampleconfig.com/api/v1/config/original/aa7f28d97eb562d691688e16cf68001a?hint=ssh_host_ed25519_key' /><config><app>OpenSSH</app><os>Debian 9 (Stretch)</os><location>/etc/ssh/ssh_host_ed25519_key</location><lines>7</lines><md5>aa7f28d97eb562d691688e16cf68001a</md5><sha256>3205ff355db97a4bd9d96a34c88526e2de6465a28dc4115dc57c469f0c8d14e9</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, replace it, then reload or restart OpenSSH.
Is ssh_host_ed25519_key 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.
