1 - Criar chaves no seu host, altere o trecho user@gmail.com pelo seu email
ssh-keygen -t rsa -C "user@gmail.com" -b 4096 -f ~/.ssh/id_rsa_github
ssh-keygen -t ed25519 -C "seu-email@exemplo.com" -f ~/.ssh/id_githubssh-keygen -t rsa -C "user@gmail.com" -b 4096 -f ~/.ssh/id_rsa_github
ssh-keygen -t ed25519 -C "seu-email@exemplo.com" -f ~/.ssh/id_github