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Why is my SSH key not working?

Why is my SSH key not working?

Make sure the authorized_keys file and the private key itself have the correct permissions and ownership. Check that key-based authentication is allowed by the server. Make sure the private key is readable by the SSH client. If you’re using PuTTY, make sure your SSH keys are properly configured for the session.

How do I get my SSH key to work?

The SSH public key authentication has four steps:

  1. Generate a private and public key, known as the key pair.
  2. Add the corresponding public key to the server.
  3. The server stores and marks the public key as approved.
  4. The server allows access to anyone who proves the ownership of the corresponding private key.

How do I connect to Teraterm?

Connect via a Serial (RS-232)

  1. When you first open Tera Term, it will prompt you with a New Connection window.
  2. On the New Connection window, click Serial and then select the COM port to which you want to connect.
  3. Click OK. Tera Term will connect to the device.

How do I enable SSH-keygen?

Steps to setup secure ssh keys:

  1. Create the ssh key pair using ssh-keygen command.
  2. Copy and install the public ssh key using ssh-copy-id command on a Linux or Unix server.
  3. Add yourself to sudo or wheel group admin account.
  4. Disable the password login for root account.

How do I debug SSH connection issues?

Notes on debugging ssh connection problems

  1. Run the ssh client in verbose mode. $ ssh -vvv user@host.
  2. On the server, check auth.log for errors. $ sudo tail -f /var/log/auth.log.
  3. For more debugging info, (assuming you have control of the ssh server) run the sshd server in debug mode on another port.

How do I know if my SSH key is working?

For more information on working with SSH key passphrases, see “Working with SSH key passphrases”.

  1. Open TerminalTerminalGit Bash.
  2. Enter the following: $ ssh -T [email protected] # Attempts to ssh to GitHub.
  3. Verify that the fingerprint in the message you see matches GitHub’s public key fingerprint.

How do I connect to a remote server using an SSH key?

How to setup SSH keys

  1. Step 1: Generate SSH Keys. Open the terminal on your local machine.
  2. Step 2: Name your SSH keys.
  3. Step 3: Enter a passphrase (optional)
  4. Step 4: Move the public key to the remote machine.
  5. Step 5: Test your connection.

How do I use SSH key authentication?

ssh/id_rsa. pub above with your own key name. Enter your user account password for that SSH server when prompted. You can now authenticate to your server with the key pair, but at the moment you would need to enter the passphrase every time you connect.

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