ssh-keygen -t ed25519 -C "xiaxinkai@gmail.com"
eval "$(ssh-agent -s)"
open ~/.ssh/config
touch ~/.ssh/config
vim ~/.ssh/config
----------------------------------
Host *
AddKeysToAgent yes
UseKeychain yes
IdentityFile ~/.ssh/id_ed25519
----------------------------------
ssh-add -K ~/.ssh/id_ed25519
pbcopy < ~/.ssh/id_ed25519.pub
Paste your key into the "Key" field.
ssh -T git@github.com