Creating Key Pairs Using a Terminal (2024)

Generating SSH key pairs locally

  1. In a terminal, type the commandssh-keygen -t rsa, and press enter.
  • To save the key pair in other than the default directory of ~./ssh or with a different name, add the-fflag followed by the directory and key pair name (e.g. ~/Desktop/key).
  • When asked to enter file in which to save the key, press enter without typing in a name.
    • If a file name is supplied, the key pair will be saved in the terminal's current directory with the supplied name.
    • By default, keys are saved in the~/.sshdirectory with the namesid_rsa,id_rsa.pub.
  • Enter a password for the key pair, and press enter. You will be asked to retype the password for confirmation.
  • Upload thepublickey file (the one ending in.pub).
  • Logging in with SSH

    1. In a terminal, type the commandsshfollowed by the remote host name.
      • If your local machine account name is different from your login username, include the-lflag followed by your login username. This should go before the remote host name.
      • If the private key has a non-default name or directory, include the-iflag followed by the correct directory and name. This should go before the remote host name.
      • Your command might look like this:ssh -luserName-ipathToKey remoteHostName
    2. Press enter, and type the password associated with the key pair.
    Creating Key Pairs Using a Terminal (2024)

    FAQs

    Creating Key Pairs Using a Terminal? ›

    Generating SSH key pairs locally

    How to generate SSH key pairs? ›

    Generate an SSH Key Pair
    1. Run the ssh-keygen command. You can use the -t option to specify the type of key to create. ...
    2. The command prompts you to enter the path to the file in which you want to save the key. ...
    3. The command prompts you to enter a passphrase. ...
    4. When prompted, enter the passphrase again to confirm it.

    How to create SSH key pair in Mac? ›

    Generate an SSH Key Pair
    1. Open a new Terminal window.
    2. Type ssh-keygen -b 4096 -t rsa.
    3. You will be prompted to enter a filename. By default, your keys will be saved as id_rsa and id_rsa.pub. ...
    4. When prompted, enter a passphrase.
    5. This will created a hidden directory called . ssh that contains both your public (id_rsa.
    Feb 7, 2022

    How to generate keygen in cmd? ›

    For Windows 10 & 11

    Type “cmd”. Under “Best Match”, click “Command Prompt”. In the command prompt, use the ssh-keygen command: By default, the system will save the keys to [your home directory]/.ssh/id_rsa.

    How the key pair is generated? ›

    The process of generating a key pair typically involves the use of a cryptographic algorithm to create a public and private key. The private key is kept secret and is used to sign digital signatures, while the public key is used to verify signatures and encrypt messages.

    How do you generate key pairs in terminal? ›

    Generating SSH key pairs locally

    In a terminal, type the command ssh-keygen -t rsa, and press enter. To save the key pair in other than the default directory of ~./ssh or with a different name, add the -f flag followed by the directory and key pair name (e.g. ~/Desktop/key).

    How to generate RSA key pair in Linux? ›

    Procedure
    1. In a terminal, run the ssh-keygen command.
    2. Generate the public/private RSA key pair.
    3. Specify the directory in which to save the key pair. For example, /Users/mymac/. ssh/id_rsa... mysftpkey.
    4. Enter the passphrase. Then, enter the same passphrase again. Enter empty if you don't want to use a passphrase.

    How to add SSH key in terminal? ›

    Generating a new SSH key for a hardware security key
    1. Insert your hardware security key into your computer.
    2. Open Terminal .
    3. Paste the text below, replacing the email address in the example with the email address associated with your account on GitHub. ...
    4. When you are prompted, touch the button on your hardware security key.

    How to create a new key pair? ›

    To create a key pair

    In the navigation pane, under Network & Security, choose Key Pairs. On the Key Pairs page, choose Create Key Pair. For Key pair name, type a name that is easy for you to remember, and then choose Create. When the console prompts you to save the private key file, save it in a safe place.

    How to connect SSH via Mac terminal? ›

    Log in to your Mac from another computer
    1. On the other computer, open the Terminal app (if it's a Mac) or an SSH client.
    2. Type the ssh command, then press Return. The basic ssh command format is: ssh username@hostname. The hostname can be an IP address or a domain name. ...
    3. Enter your password, then press Return.

    What is the ssh-keygen command? ›

    The ssh-keygen command is a component of most SSH implementations used to generate a public key pair for use when authenticating with a remote server. In the typical use case, users generate a new public key and then copy their public key to the server using SSH and their login credentials for the remote server.

    How to generate SSH key in mac for git? ›

    Mac
    1. Start the terminal.
    2. Navigate to your home directory by typing: cd ~/
    3. Execute the following command: ssh-keygen -t rsa (when prompted, enter password, key name can stay the same)
    4. Open the file you've just created ~/. ssh/id_rsa. ...
    5. Be sure that you don't copy any whitespace while copying public key's content (id_rsa.
    Jul 30, 2023

    How to generate SSH key in PuTTY? ›

    Generating SSH key pairs locally
    1. Download PuTTYgen (available here) and run the executable.
    2. Click on the Generate button and follow on-screen instructions.
    3. Create and confirm a Key passphrase.
    4. Save public and private keys. Saving the public key with the extension . ...
    5. Upload the public key file.

    How to generate an SSH key pair? ›

    To create a key pair on Microsoft Windows operating systems:
    1. Download PuTTy Key Generator PuTTygen.exe file and run it.
    2. In the Key menu, select SSH-2 RSA Key.
    3. In Parameters, select the RSA option.
    4. In Number of bits in generated key field, enter at least 2048, ideally 4096.
    5. In Actions, select Generate.
    May 24, 2024

    How to generate ssh keys on Mac? ›

    To generate SSH keys in macOS, follow these steps:
    1. Enter the following command in the Terminal window. ssh-keygen -t rsa. ...
    2. Press the ENTER key to accept the default location. The ssh-keygen utility prompts you for a passphrase.
    3. Type in a passphrase. You can also hit the ENTER key to accept the default (no passphrase).
    Nov 9, 2022

    How do you create a key-value pair? ›

    Using Property Accessors

    Property accessors use dot notation or bracket notation to give access to an object's properties, which can also be called keys. You can use them to add a key-value pair to an object. It's the most straightforward way of adding a key-value pair to an object.

    How to generate two SSH keys? ›

    Table of Contents
    1. Step 1: Double-check if you have an existing SSH key. ...
    2. Step 2a: If you don't have an existing SSH key, generate a new SSH key. ...
    3. Step 2b: Save the SSH key in the according file of your choice. ...
    4. Step 3: Adding the SSH to the ssh-agent. ...
    5. Step 4: Add your SSH private key to the ssh-agent.

    How to generate id_ed25519 key pair? ›

    Navigate to your .ssh directory:
    1. cd ~/.ssh.
    2. mkdir ~/.ssh cd ~/.ssh.
    3. ssh-keygen -t ed25519 Generating public/private ed25519 key pair. ...
    4. Enter file in which to save the key (/Users/username/.ssh/id_ed25519): id_username.
    5. Enter passphrase (empty for no passphrase): Enter same passphrase again:

    How do I generate SSH key pair for SFTP? ›

    Users can generate their own SSH keys by logging in with their username and password, selecting their username at the top right of the page, selecting My account > SFTP keys > Add SFTP key, selecting the Generate in browser option, then selecting Generate key pair.

    How to generate RSA keys? ›

    Generate RSA Keys
    1. Open a shell using Putty or another utility.
    2. Use commands to generate an RSA key file. Type the following command to generate RSA keys: ssh-keygen -t rsa. ...
    3. Navigate to the. rsakey. folder that you created in step 2b. ...
    4. Locate the public key beginning with. ssh. and copy the key.

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