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 24.04 LTS (Noble Numbat)
38 lines
Works On
Viewing:
Ubuntu 24.04 LTS (Noble Numbat)
Same on:
Other versions:
Details
- Size
- 38 lines
- MD5
- 730965966b6b9b1798364f8bf6b61cae
- SHA256
- c65af94b17c5d3654a5b65d777925bd382e153bd7db8e984a4c014cae1146138
/etc/ssh/ssh_host_rsa_key
-----BEGIN OPENSSH PRIVATE KEY----- b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABlwAAAAdzc2gtcn NhAAAAAwEAAQAAAYEAoDq16vsuKiBUl/hHgmWYVnDqrwVYIOKNUPJjOzGt6GCtXnJ/6M1R U0OGrBcxVYN/IXcn6S6UMKRVbiFbO+XI0KAbY6BW2fnHGpfv0tVq4HLWEZLgtdoYWEbJgL i0tEiEH9XVChutNj/KpOaYsyN3l1fHJn9Jrfq6EqBIVGu8GDGCnebMy2rIDWUaX/N5MDRJ 6Gh+yAfD5+A4Bu80w7at30Pkiv851FKnzTvcLMVNFJVHynoL0P/RXXzY0v4d/XlhTXUG5d d+uZAlP6GnzDxWdrsYigqFdNuNsfVINhKxdb3fanZ2Dyf2s3pPS9PgiDhStyvRcGvQW6pb wFsuzbBy2Krk3gpL9roIOvfbKqByTlgiekqPtpE1YObMER2mreWIp0LvPjnE4kqcLsfplO D9TFyTF6gc7lKXixDfQ4GpFLE2xdPVV0Pjat8XK+t7SWTYUikgWKaj7ApQZHClm65gJ5H5 CfakC6JhAmOoblgtKex2iBVxft1zsgl6+y+d/yFLAAAFiEWGL0NFhi9DAAAAB3NzaC1yc2 EAAAGBAKA6ter7LiogVJf4R4JlmFZw6q8FWCDijVDyYzsxrehgrV5yf+jNUVNDhqwXMVWD fyF3J+kulDCkVW4hWzvlyNCgG2OgVtn5xxqX79LVauBy1hGS4LXaGFhGyYC4tLRIhB/V1Q obrTY/yqTmmLMjd5dXxyZ/Sa36uhKgSFRrvBgxgp3mzMtqyA1lGl/zeTA0SehofsgHw+fg OAbvNMO2rd9D5Ir/OdRSp8073CzFTRSVR8p6C9D/0V182NL+Hf15YU11BuXXfrmQJT+hp8 w8Vna7GIoKhXTbjbH1SDYSsXW932p2dg8n9rN6T0vT4Ig4Urcr0XBr0FuqW8BbLs2wctiq 5N4KS/a6CDr32yqgck5YInpKj7aRNWDmzBEdpq3liKdC7z45xOJKnC7H6ZTg/UxckxeoHO 5Sl4sQ30OBqRSxNsXT1VdD42rfFyvre0lk2FIpIFimo+wKUGRwpZuuYCeR+Qn2pAuiYQJj qG5YLSnsdogVcX7dc7IJevsvnf8hSwAAAAMBAAEAAAGADKl3FNGyrTuO08+X/xL+Pd6AfU JD251ro3j0JIphftqc+Li9qO0Ivza33sOab3KLyl47Ni8rIMjrw185cXtQKkRsxau3EVSu ykg1eIjLAF+y0QK1ZUmN4PP/Gn/+L70HS+i/BCR5xK632d4rNQTZf4k9QKqQbQJCUBSAgs NcwuCuvMGvb2fJ1V0m/2wjKI8JRCd11WLftWQ/qTSgC9NU3C7mUaGntUKu5gYT+SnCVJ0T ZknMw0BkECo8jDfusMg1qzBZ/dCVjdDpP0L1qo0OfKz8y/rYj3X67cdY42KDDQYiQXf1T+ cbS9m5wK0FaGtlCs5hA2U6Q/qW4HNYVYFAXcMMvHAxKTaZr7918k0rBwx+UvWrrBPmDT5F m4PdOwq1bLd2IgXu2xoUuaL9trELWX8ECYJw8vvgYd/xRrzXbsAY14G1BFSaWAmCazDSHJ cjBQG86uhGuu+PQOpk7/m3wwnMnv3xTPNvQjozijMcEww9lVsCSHTxqDCQD+3qgNeRAAAA wQC94w+lpqQayFNE2oI9NT1Ek5JedTyDMng2ef4tezY8ydJUnnTXgkJoLozEJXHytjRpPs nH486NSG9vgFp7rru0vCv1EFtaLAagd5JkUoSAsH8geUi0MYAwrv8nHnKSLK1NiJwpmpBo z5fbH93cvBglegruC+LEApbxaw6yNA0PC2ee0FZSvzRDPsYO5jH9fx3KYNj47Ajq521SLI 1HuiBXtJ6TO2LRy+3jJ5oCHvJ/R/3/CNVp5hWzStPxbfLlvhwAAADBANgpaeXu4eDerlHh muJZuldHyIlX2wNEctcpIPj3g8s+nd79+TWDNQ0BhFgM/4qi/09uwYXY5w3yGTsXlKVesk FUWlfteFz3Mt76wT1aYWjwACMW0Ctl+mQd0+0kul1kANJhFGz7K/Glh4QFvrtFqF6TK9is BGSLvqGag2rJGqwFbPtqYdf6OHsjg16xcFcgIZvwkTU/AtJ2Eswcp23nsUD7MkXLt2DhbE fW1ztpGx1XZf6r3u2SmxNkv0AKA1sxwwAAAMEAvcJitoaGSVJ0y29u3AJK+KxuQXgptjjr tcKt2dSFVDtf0Nw/wtXhYv+PRRneTK6DMcoFmLSKb7wsBxtTugLeJl55i42yKmf8PmwJxl 3GvWRPQB5QScsuRt19g6Vynxpx9los/wOIuaHHBp05vofnUKEj/qb0PDqlBbhwkt61SAVT q++HqbfD6qYNdvV3xZIwv5NEhBTAoEM2/08bRmjT76gLYs+2AJP2xaYvvU6OdSlTFwz1NS SU2BIcPoiwzBHZAAAAEXJvb3RAZDkyMTc0OTkwYjZjAQ== -----END OPENSSH PRIVATE KEY-----
Copy & Paste
curl:
curl https://exampleconfig.com/api/v1/config/original/730965966b6b9b1798364f8bf6b61cae?hint=ssh_host_rsa_key
wget:
wget -O ssh_host_rsa_key https://exampleconfig.com/api/v1/config/original/730965966b6b9b1798364f8bf6b61cae?hint=ssh_host_rsa_key
For AI Agents
<prompt><role>DevOps agent</role><source url='https://exampleconfig.com/api/v1/config/original/730965966b6b9b1798364f8bf6b61cae?hint=ssh_host_rsa_key' /><config><app>OpenSSH</app><os>Ubuntu 24.04 LTS (Noble Numbat)</os><location>/etc/ssh/ssh_host_rsa_key</location><lines>38</lines><md5>730965966b6b9b1798364f8bf6b61cae</md5><sha256>c65af94b17c5d3654a5b65d777925bd382e153bd7db8e984a4c014cae1146138</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 24.04 LTS (Noble Numbat). 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 24.04 LTS (Noble Numbat).
Can I use this for OpenSSH troubleshooting?
Yes. Diff it against yours to find drift, then restore only the sections you need.
