debian login with ssh key

1. Where do I put SSH key in Debian?
2. How do I login using SSH key PuTTY?
3. Can you use the same SSH key?
4. How do I add a public SSH key to my server?
5. How do I generate an SSH key?
6. How do I find my SSH public key?
7. How do I save a private key?
8. What is SSH key?
9. How do I save a public key in PuTTY?
10. Can I have 2 SSH keys?
11. Should I generate multiple SSH keys?
12. Should I have separate SSH keys?

Where do I put SSH key in Debian?

The easiest and the recommended way to copy the public key to the remote server is to use the ssh-copy-id tool. Once the user is authenticated, the content of the public key file ( ~/. ssh/id_rsa. pub ) will be appended to the remote user ~/.

How do I login using SSH key PuTTY?

The PuTTYgen tool can be closed and PuTTY launched again.

1. Enter the remote server Host Name or IP address under Session .
2. Navigate to Connection > SSH > Auth .
3. Click Browse... ...
4. Locate the id_rsa. ...
5. Finally, click Open again to log into the remote server with key pair authentication.

Can you use the same SSH key?

4 Answers. The same SSH key should be able to be used from multiple clients. I have different SSH keys for different networks and they're actually stored on an encrypted USB drive that I use from several different computers without a problem. ... This will force your SSH client to use that key for github.com only.

How do I add a public SSH key to my server?

Setting up public key authentication

1. Generate an SSH Key. With OpenSSH, an SSH key is created using ssh-keygen. ...
2. Copy the key to a server. ...
3. Test the new key. ...
4. Troubleshooting. ...
5. Use a passphrase when possible. ...
6. Add a command restriction when possible. ...
7. Managing SSH keys. ...
8. Installation using Homebrew.

How do I generate an SSH key?

Windows (PuTTY SSH Client)

1. On your Windows workstation, go to Start > All Programs > PuTTY > PuTTYgen. The PuTTY Key Generator displays.
2. Click the Generate button and follow the instructions. ...
3. Click Save Private Key to save the private key to a file. ...
4. Close the PuTTY Key Generator.

How do I find my SSH public key?

Checking for existing SSH keys

1. Open .
2. Enter ls -al ~/.ssh to see if existing SSH keys are present: $ ls -al ~/.ssh # Lists the files in your .ssh directory, if they exist.
3. Check the directory listing to see if you already have a public SSH key. By default, the filenames of the public keys are one of the following: id_rsa.pub. id_ecdsa.pub.

How do I save a private key?

One of the common ways to keep your private keys safe is by generating and printing a paper wallet. This cold wallet storage is immutable to cyber-attacks, but it also puts a lot of value (and future potential value) into something that cannot be recovered if it is lost.

What is SSH key?

An SSH key is an access credential for the SSH (secure shell) network protocol. This authenticated and encrypted secure network protocol is used for remote communication between machines on an unsecured open network.

How do I save a public key in PuTTY?

Use Existing Public and Private Keys

1. Click Conversions from the PuTTY Key Generator menu and select Import key .
2. Navigate to the OpenSSH private key and click Open .
3. Under Actions / Save the generated key , select Save private key .
4. Choose an optional passphrase to protect the private key.

Can I have 2 SSH keys?

Yes you can have different ssh keys. ... Essentially you will be using ssh-add to add the extra keys so that the agent can utilize them. Then you set up the ssh hosts config so that any ssh connections to different domains will be looked up here and the appropriate key will be used.

Should I generate multiple SSH keys?

As far as security is concerned, you don't compromise your key in any way by using it to log in on a machine (as you would by using a password), so having separate keys for separate destinations doesn't make you any more safe from an authentication/security perspective.

Should I have separate SSH keys?

[UPDATE 2015-08-05] Github publishes your public key, and your SSH client may send all of your public keys to every server, depending on configuration, thusly, if you are concerned with a 3rd party SSH server knowing your identity when connecting, you should use multiple SSH keys, though in my opinion it is paranoid.