SSH key question

Gary Aitken ubuntu at dreamchaser.org
Fri Dec 11 00:29:42 UTC 2020


On 12/10/20 11:09 AM, MR ZenWiz wrote:
> I have three machines set up on my home network with remote file copy
> and ssh interactions.  I have my desktop "base" machine set up for
> password-free remote access to the two laptops, but for some reason, I
> can't get the same access from one of the laptops back to the base.
> 
> I generated the proper keys with ssh-genkey, then I used ssh-copy-id
> to send the keys to the target machine.  As I said, done from the base
> to both of the laptops, it works fine.  I even have remote access to
> my partners laptop from the base using her id for the remote actions.
> 
> However, from my own laptop, I can't get password-free access, via ssh
> or rsync, to my base desktop.  I either put up with the password
> prompt, or ssh to the base from the laptop and run the file transfers
> from the remote base login to/from the laptop because that way it does
> not require passwords.

You might try editing
   /etc/ssh/sshd_config
on the target and setting
   LogLevel DEBUG
then restart sshd
   sudo systemctl restart sshd

Have you checked the protections on ~/.ssh/authorized_keys?

Gary





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