Ubuntu SFTP SSH access work but got error Could not load host key in log

  • Posted September 2, 2014

Ubuntu SFTP SSH access work great but I got this error at beginning of every access :

error: Could not load host key: /etc/ssh/ssh_host_ed12345_key

All the log here :

Sep  2 12:21:07 Node sshd[1234]: error: Could not load host key: /etc/ssh/ssh_host_ed12345_key
Sep  2 12:21:08 Node sshd[1234]: Accepted publickey for root from port 12345 ssh2: RSA .......
Sep  2 12:21:08 Node sshd[1234]: pam_unix(sshd:session): session opened for user root by (uid=0)

Any tips on this?

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According to this bug post it may indicate something went wrong with your openssh server install. I had this issue on a ubuntu box and a simple sudo apt-get install openssh-server --reinstall recreated the missing keys under /etc/ssh/ and resolved the issue.

This is fine that you see this error. To stop seeing this error, please comment out the following line in your /etc/ssh/sshd_config file:

HostKey /etc/ssh/ssh_host_ed25519_key