Regenerating SSH keys on Linux

GitHub

Just use the official guide - but all important: save to keychain to retain the authorised ssh-agent across sessions

ssh-add -k ~/.ssh/id_rsa

(I think Mac may be capital -K?)

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GitLab

In 2020 I moved to GitLab for site generation, where SSH keys are ED25519 not RSA ("more secure and performant")

• Docs: GitLab and SSH keys
• Guide: Create and add your SSH key pair
  • Docs: Generating a new SSH key pair