Generating a new SSH key


Generating a new SSH key

  1. Open Terminal.
  2. Paste the text below, substituting in your GitHub email address.
    $ ssh-keygen -t rsa -b 4096 -C "your_email@example.com"

    This creates a new ssh key, using the provided email as a label.

    > Generating public/private rsa key pair.
  3. When you’re prompted to “Enter a file in which to save the key,” press Enter. This accepts the default file location.
    > Enter a file in which to save the key (/home/you/.ssh/id_rsa): [Press enter]
  4. At the prompt, type a secure passphrase. For more information, see “Working with SSH key passphrases”.
    > Enter passphrase (empty for no passphrase): [Type a passphrase]
    > Enter same passphrase again: [Type passphrase again]

aryan@aryan-VirtualBox:~$ cd .ssh
bash: cd: .ssh: No such file or directory
aryan@aryan-VirtualBox:~$ ssh-keygen -t rsa -b 4096 -C  aryan@xxxx.com
Generating public/private rsa key pair.
Enter file in which to save the key (/home/aryan/.ssh/id_rsa): 
Created directory '/home/aryan/.ssh'.
Enter passphrase (empty for no passphrase): 
Enter same passphrase again: 
Your identification has been saved in /home/aryan/.ssh/id_rsa.
Your public key has been saved in /home/aryan/.ssh/id_rsa.pub.
The key fingerprint is:

Adding your SSH key to the ssh-agent

Before adding a new SSH key to the ssh-agent to manage your keys, you should have checked for existing SSH keys and generated a new SSH key.

  1. Start the ssh-agent in the background.
    $ eval "$(ssh-agent -s)"
    > Agent pid 59566
  2. Add your SSH private key to the ssh-agent. If you created your key with a different name, or if you are adding an existing key that has a different name, replace id_rsa in the command with the name of your private key file.
    $ ssh-add ~/.ssh/id_rsa

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