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.
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEYl+aHOhN/I8FTYP/4c1fiyqp/+7B4Zy8xnGKIqkmtQ root@5d7fdc9475f7
curl https://exampleconfig.com/api/v1/config/original/e5d96783c9990f07427b35f43fd1a8c8?hint=ssh_host_ed25519_key.pub
wget -O ssh_host_ed25519_key.pub https://exampleconfig.com/api/v1/config/original/e5d96783c9990f07427b35f43fd1a8c8?hint=ssh_host_ed25519_key.pub
<prompt><role>DevOps agent</role><source url='https://exampleconfig.com/api/v1/config/original/e5d96783c9990f07427b35f43fd1a8c8?hint=ssh_host_ed25519_key.pub' /><config><app>OpenSSH</app><os>Debian 10 (Buster)</os><location>/etc/ssh/ssh_host_ed25519_key.pub</location><lines>1</lines><md5>e5d96783c9990f07427b35f43fd1a8c8</md5><sha256>5a250afd227e7d1ca69c7a9d4611f232824b62796f1d30a47157d92450a811c5</sha256></config></prompt>
Paste into Claude, ChatGPT, or any AI assistant.
sudo apk add openssh-server
sudo apt update && sudo apt install openssh-server
sudo yum install openssh-server
sudo apt update && sudo apt install openssh-server
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.
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 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.