Generate SSH key:

• To generate a new SSH key, copy and paste the command below, making sure to substitute in your email. The default settings are preferred, so when you're asked to "enter a file in which to save the key,"" just press enter to continue.

    $ ssh-keygen -t rsa -C "your_email@example.com"
  

• Creates a new ssh key, using the provided email as a label.

• Generating public/private rsa key pair.

    $ ssh-add id_rsa
  

• Next, you'll be asked to enter a passphrase

    Enter passphrase (empty for no passphrase):
    Enter same passphrase again:
  

• Which should give you something like this:

    Your identification has been saved in /home/you/.ssh/id_rsa.
    Your public key has been saved in /home/you/.ssh/id_rsa.pub.
    The key fingerprint is:
    01:0f:f4:xb:xa:85:d6:17:a1:7d:f0:68:9d:f0:a2:db your_email@example.com
  

• Run the following command to copy the key to your clipboard.

    $ sudo apt-get install xclip
    $ xclip -sel clip < ~/.ssh/id_rsa.pub