Question

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

Posted September 2, 2014 18.6k views

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 12.34.56.78 port 12345 ssh2: RSA .......
Sep  2 12:21:08 Node sshd[1234]: pam_unix(sshd:session): session opened for user root by (uid=0)
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By:
migswd

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3 answers
seven7 October 11, 2014
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  • nspeaks October 28, 2014

    The url is wrong. But anyhow, the fix on the site works. Here it is, if someone needs it.

    $ ssh-keygen -A

    It regenerates any missing keys.

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migswd September 2, 2014

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

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skyjacks October 8, 2014

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.

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