/.ssh/config
Host github.com
AddKeysToAgent yes
UseKeychain yes
HostName github.com
IdentityFile ~/.ssh/id_rsa.github
User git
Host sakura
HostName ***.***.***.***
User ********
IdentityFile ~/.ssh/id_rsa.sakura
ServerAliveInterval 200
Host ai-chan.local
HostName ai-chan.local
User ********
IdentityFile ~/.ssh/id_rsa.ai-chan
ServerAliveInterval 200