How do I assign a key to SSH?

How do I assign a key to SSH?

Set up SSH on macOS/Linux

1. From the terminal, enter ssh-keygen at the command line. The command prompts you for a file to save the key in:
2. Press the Enter or Return key to accept the default location.
3. Enter and re-enter a passphrase when prompted.
4. List the contents of ~/.ssh to view the key files.

Where does SSH look for keys?

~/.ssh folder
ssh will look for its keys by default in the ~/. ssh folder.

What is SSH public key and private key?

Each SSH key pair includes two keys: A public key that is copied to the SSH server(s). Anyone with a copy of the public key can encrypt data which can then only be read by the person who holds the corresponding private key. A private key that remains (only) with the user.

How to choose the key used by SSH for a specific host?

You have at least 2 choices for choosing the key used by ssh. Taking ~/.ssh/key1 and [email protected] as the example here. Method one, specify the key in command line with the -i option of ssh. Check more in the manual.

Where do I Save my SSH key file?

Enter file in which to save the key (/home/username/.ssh/id_rsa): Press enter to save your keys to the default /home/username/.ssh directory. Then you’ll be prompted to enter a password: Enter passphrase (empty for no passphrase): It’s recommended to enter a password here for an extra layer of security.

How to generate public and private SSH key pairs?

To use key-based authentication, you first need to generate some public/private key pairs for your client. From PowerShell or cmd, use ssh-keygen to generate some key files. This should display something like the following (where “username” is replaced by your user name) Generating public/private ed25519 key pair.

How does the SSH public key authentication work?

SSH public key authentication uses asymmetric cryptographic algorithms to generate two key files – one “private” and the other “public”. The private key files are the equivalent of a password, and should stay protected under all circumstances. If someone acquires your private key, they can log in as you to any SSH server you have access to.