Setup SSH with Github

Guide to config the proper GitHub SSH

GitHub SSH Setup

1. Generate SSH Key

Terminal window
# Ed25519 (recommended)
ssh-keygen -t ed25519 -C "your_email@example.com"


# RSA (if Ed25519 not supported)
ssh-keygen -t rsa -b 4096 -C "your_email@example.com"

2. Add SSH Key to SSH Agent

Terminal window
# Start ssh-agent
eval "$(ssh-agent -s)"


# Add your SSH private key
ssh-add ~/.ssh/id_ed25519

3. Add SSH Key to GitHub

Terminal window
# Copy public key to clipboard
pbcopy < ~/.ssh/id_ed25519.pub

Then go to GitHub → Settings → SSH and GPG keys → New SSH key

4. Test Connection

Terminal window
ssh -T git@github.com

Multiple GitHub Accounts

~/.ssh/config
Host github-personal
    HostName github.com
    User git
    IdentityFile ~/.ssh/id_personal


Host github-work
    HostName github.com
    User git
    IdentityFile ~/.ssh/id_work