Why does SSH-copy-id not work?

Why does SSH-copy-id not work?

Why does SSH-copy-id not work?

There are a number of reasons why the test might fail: The server might not be configured to accept public key authentication. Make sure /etc/ssh/sshd_config on the server contains PubkeyAuthentication yes . Remember to restart the sshd process on the server.

How does SSH-copy-ID work?

The ssh-copy-id command is a simple tool that allows you to install an SSH key on a remote server’s authorized keys. This command facilitates SSH key login, which removes the need for a password for each login, thus ensuring a password-less, automatic login process.

Does SSH-copy-ID work on Windows?

At the moment, Windows 10’s implementation of the OpenSSH client does not have the ssh-copy-id command available. However, a PowerShell one-line command can mimic the ssh-copy-id command and allow you to copy an SSH public key generated by the ssh-keygen command to a remote Linux device for passwordless login.

Does SSH copy ID overwrite?

No, it appends.

How do I copy a SSH key in Linux?

Steps to copy SSH public key to remote server using ssh-copy-id:

  1. Launch terminal.
  2. Locate your public SSH key. $ ls ~/.ssh/id* /home/user/.ssh/id_rsa /home/user/.ssh/id_rsa.pub.
  3. Make sure your public key is in OpenSSH format.
  4. Add your SSH public key to remote server user’s authorized_keys file using ssh-copy-id command.

How copy SSH key from GitHub?

4 Steps to clone GitHub over SSH

  1. Create an SSH keypair on your Windows or Linux OS.
  2. Copy the value of the public SSH key to your GitHub account.
  3. Obtain the GitHub SSH URL for the repository to be cloned.
  4. Using Git, clone from GitHub with the SSH URL.

Does SSH-copy-ID overwrite?

How copy SSH key to another server?

Does SSH-copy-ID append key?

man ssh-copy-id says: By default it adds the keys by appending them to the remote user’s ~/. ssh/authorized_keys (creating the file, and directory, if necessary).

What happens if I overwrite my SSH key?

If you want extra security you can, just run ssh-keygen again and overwrite your old key. Overwriting ssh keys is perfectly fine as long as you know what it means: it’s like changing your password so old ssh connections won’t work any more.

Why does SSH-copy-ID copy the wrong key to the server?

Sometimes ssh-copy-id copies the wrong key to the remote server (may happen if you have several keys and/or are using non-default names for key files) or your authentication agent is misconfigured. If the -i option is given then the identity file (defaults to ~/.ssh/id_rsa.pub) is used, regardless of whether there are any keys in your ssh-agent.

How do I copy an SSH key to another user?

Once an SSH key has been created, the ssh-copy-id command can be used to install it as an authorized key on the server. Once the key has been authorized for SSH, it grants access to the server without a password. Use a command like the following to copy SSH key: ssh-copy-id -i ~/.ssh/mykey [email protected]

Why is my SSH key not working?

If it is set to forced-commands-only, the key must be manually configured to use a forced command (see command= option in ~/.ssh/authorized_keys. Make sure the client allows public key authentication. Check that /etc/ssh/config includes PubkeyAuthentication yes. Try adding -v option to the ssh command used for the test.

Does my Mac have ssh-copy-ID?

Ssh-copy-id on Mac. While MacOS includes SSH, it does not include ssh-copy-id out of the port. However, according to some sources MacOS 10.12.4 includes it, and presumably newever versions include it as well. You can test whether your Mac has it by opening a terminal window (Finder / Go / Utilities / Terminal) and typing ssh-copy-id.