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The Wayback Machine - https://web.archive.org/web/20220623221135/https://docs.github.com/en/authentication/connecting-to-github-with-ssh
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GitHub Docs
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Authentication
Account security
Authentication to GitHub
Create a strong password
Update access credentials
Create a PAT
Reviewing your SSH keys
Deploy keys
Authorizing OAuth Apps
Authorizing GitHub Apps
Authorized integrations
Third-party applications
Review OAuth apps
Token expiration
Security log
Remove sensitive data
About anonymized URLs
GitHub's IP addresses
SSH key fingerprints
Sudo mode
Unauthorized access
Secure your account with 2FA
About 2FA
Configure 2FA
Configure 2FA recovery
Access GitHub with 2FA
Recover an account with 2FA
Change 2FA delivery method
Countries supporting SMS
Disable 2FA
Connect with SSH
About SSH
Check for existing SSH key
Generate new SSH key
Add a new SSH key
Test your SSH connection
SSH key passphrases
Troubleshooting SSH
Use SSH over HTTPS port
Recover SSH key passphrase
Deleted or missing SSH keys
Permission denied (publickey)
Error: Bad file number
Error: Key already in use
Permission denied other-user
Permission denied other-repo
Agent failure to sign
ssh-add: illegal option -- K
SSL certificate problem
Error: Unknown key type
SSH key audit
Verify commit signatures
Commit signature verification
Displaying verification for all commits
Existing GPG keys
Generating a new GPG key
Add a new GPG key
Tell Git your signing key
Associate email with GPG key
Signing commits
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Troubleshoot verification
Check verification status
Update expired GPG key
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Authentication
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Connecting to GitHub with SSH
You can connect to GitHub using the Secure Shell Protocol (SSH), which provides a secure channel over an unsecured network.
About SSH
Checking for existing SSH keys
Generating a new SSH key and adding it to the ssh-agent
Adding a new SSH key to your GitHub account
Testing your SSH connection
Working with SSH key passphrases
