如何在 Windows 和 macOS 上建立 SSH 金鑰並新增至 GitHub | How to Create SSH Key and Add to GitHub on Windows and macOS

Here are steps for creating an SSH key and adding it to GitHub, tailored for both Windows and macOS:

On Windows

1. Open Git Bash:

• Open the Git Bash application.

2. Generate a new SSH key:

• Run the following command, replacing your_email@example.com with your GitHub email address:

ssh-keygen -t ed25519 -C "your_email@example.com"

• If your system does not support Ed25519, use:

ssh-keygen -t rsa -b 4096 -C "your_email@example.com"

3. Follow the prompts:

• Accept the default file location by pressing Enter.
• Optionally, enter a passphrase for additional security.

4. Start the SSH agent:

• Run the following command:

eval "$(ssh-agent -s)"

5. Add your SSH key to the ssh-agent:

• Run the following command, adjusting the path if you used a different file name:

ssh-add ~/.ssh/id_ed25519