When should I use this ssh_host_rsa_key?
Use it to restore a missing default, confirm what shipped, or diff against your current OpenSSH config.
OpenSSH /etc/ssh/ssh_host_rsa_key
Original
📋 Ubuntu 18.04 LTS (Bionic Beaver)
27 lines
Works On
Viewing:
Ubuntu 18.04 LTS (Bionic Beaver)
Same on:
Other versions:
Details
- Size
- 27 lines
- MD5
- 545c36c3cc7789b112f07822ce9c4b60
- SHA256
- 75b5cc4817578474997a17b668809e5046dc45c9285113c2c2eadb5e34302e29
/etc/ssh/ssh_host_rsa_key
-----BEGIN RSA PRIVATE KEY----- MIIEowIBAAKCAQEA1NWzHoInt61vAL7HtFQGO94f/wtdaZfEVXts2ZrVv7zzVKxs fWJrGHEP6zORygPFJLUWTYIKAyajVn3gtZ+0KSNHjRLyaPkWywMMSdNKw5BqSk/8 kU0Z65x2WHwndc+S/kLsk3/XiNnmypAMZ6a7VDygBNOAAM0IRDV/BPH/oBSGdUEv zkCWEvKamp8PnH8teKPF1z8vupLjQ/EQiOOYy5EWZOuS5eBFNjjGliFcMWDdioXZ +MgkAXAb5KJtM1CfeWKWpB6KLPCCKhdVHgxhX2LDCZ9syhVYN5m4oSZTwiSBhIh5 xu3LEwAFWuT+Wvxd1QAue+ZhhwYvaYFkxjrhvwIDAQABAoIBAQCig5LEBupA7GNI FGT1IvunlxKjcpAfYs194ELbXck9IRBEZWxpyU6xWROoqrX1pS9RuhyPjm4KveQW 1QNSa+HrT48A/6it0xU+atNlQ7tg3NLsb2sRn+fc6pnLMvIGmTtKftuaPRHc41XA 8oEmXD/KMIiXZs/kzKo1OwwEQKzKE72jbqqVz3XZ+h0iSh2fSbo4MC6dzf9cAv+E emDMu2544sdjk0RG3z0lSLfsm9CD3HDL3wto+xUbzgAxCL0uvTKYMcTcPzxXrRB6 13JAU/OphFtRUwH1d3jK8Z4afjk+Y3ByOIRuhClmhxoSvvsZy1f1TELbdH1yRdsB rs/FIb+BAoGBAOtn224J3HAh+P28lCant+6xE7tYja4DvOohm4VWysWQ1iqnPMi6 CDznAcePIgQCzOlXAFOv3IY1PsVWrByFP6SoydR47PrTY8GgXkF3E/i1glb9NkOl M8e5lSSrbgKf7hHDJIF18tAppV3FIvtOOe2F9jmaReDqeGvO8mfaRcChAoGBAOd0 WCYnv4bQrLfTNh4fISFyUAI8+/HHW5PI1JIBDoF1WYbWRpVoPgobhCfAdAckAQcO X0XjZEEjMeaeH37WJAtU2JObAxs6mlQQqlPleRQ8mup1iWyLz9zeGVJoGv1taPR3 /uacV4YLfmZsBMCNTfxx7Uby699e9Dw8ADYlcKZfAoGADCbNTe3WYjduufJdF226 8ehUI2yby6rHurJHa+eiCfbDB2qgmZ/4wuQN1HZQBDL8zuK90pQWZxsihV9G/SXn tiE8YepoGT6GPL2BgBGch08fTkw929oQRTQQPddXk20cBfCz1rb29MXhkmiVuLE+ DkPHBQwwpT6VPsNtAe1jgmECgYA+jJuR3CYPWe+DUioK4+DBODJVGIQB6B1gh+Ki fnScGcmS/e9fSyeQ9bS2RXVVxK4eaQzoRzZ9v/QpXcwnK9nb0hchdL/XKPQyCbru J1KcXHCFMjRsSDBpgQAY3BeHK300rAUP72pbyFlldoWmP8m2kldMWDPUTsX0TUbF W0LhQwKBgE4iESSoWR7DKKJV5GM7GU6hLKEPrEUEa7sFKp8iDTKRkz2go71SpOh3 rSDhUonWRjcqlEOnAl1Ec3K3C2/FupbVig4PumLOWA8zdyqQa7gMwzTOp7ulYMN5 JxGBlPP+ZJB28DwZTkiW/eJVPNXmVC1SINWFEvJ0PE35E+Qc7Fgp -----END RSA PRIVATE KEY-----
Copy & Paste
curl:
curl https://exampleconfig.com/api/v1/config/original/545c36c3cc7789b112f07822ce9c4b60?hint=ssh_host_rsa_key
wget:
wget -O ssh_host_rsa_key https://exampleconfig.com/api/v1/config/original/545c36c3cc7789b112f07822ce9c4b60?hint=ssh_host_rsa_key
For AI Agents
<prompt><role>DevOps agent</role><source url='https://exampleconfig.com/api/v1/config/original/545c36c3cc7789b112f07822ce9c4b60?hint=ssh_host_rsa_key' /><config><app>OpenSSH</app><os>Ubuntu 18.04 LTS (Bionic Beaver)</os><location>/etc/ssh/ssh_host_rsa_key</location><lines>27</lines><md5>545c36c3cc7789b112f07822ce9c4b60</md5><sha256>75b5cc4817578474997a17b668809e5046dc45c9285113c2c2eadb5e34302e29</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_rsa_key, replace it, then reload or restart OpenSSH.
Is ssh_host_rsa_key safe for production?
It is the vendor default for Ubuntu 18.04 LTS (Bionic Beaver). 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 Ubuntu 18.04 LTS (Bionic Beaver).
Can I use this for OpenSSH troubleshooting?
Yes. Diff it against yours to find drift, then restore only the sections you need.
