Server Fault is a question and answer site for system and network administrators. It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. A backuppc server is able to sign into remote machines as root and backup them up, but if I sign in as the backuppc user and try to ssh into these machines using the same key, the key is rejected with the following debug output:.
On the machine I'm trying to log into the remote one with here are the permission in the. The key should never have been changed either since it was created and was not stored in the incorrect format as it's been used for years by this machine without issue. So far I have rebooted the system in the hopes that would help fix it but don't really know what else to do as generating a new key isn't really an option since these machines are far away.
Does anyone know what I should do? The related answer might be applicable here. I can't help but notice that you have perms on your home, whereas the default is normally Try changing that, and see if it helps? This error can be caused by using a private key generated by a recent version of ssh-keygen with a much older version of the ssh client.
I had to generate and deploy a keypair using the old version of ssh in order to successfully log in from the old client.
If there are more than one such lines, the last one is what counts. I haven't changed anything to the client nor the server, and it was working perfectly before. Any ideas what could be causing this and how to fix it? Choose your interests Get the latest news, expert insights and market research, sent straight to your inbox.
Newsletter Topics Select minimum 1 topic. Operating Systems. I meet the same problem? Romeo Ninov Posted April 24, 0 Comments. Register or Login. Welcome back! Specify the path to the file that will hold the key. Type a passphrase for using your key. Retype the passphrase to confirm it. Check the results. Check that the path to the keyfile is correct. Choose the appropriate option: If your administrator has configuredhost-based authentication, you might need to copy the local host's publickey to the remote host.
Type the command on one line with no backslash. When you are prompted, supply your login password.
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