Host github.com
HostName github.com
User git
IdentityFile ~/.ssh/id_rsa_github
Host server.example.com
HostName server.example.com
User your_username
IdentityFile ~/.ssh/id_rsa_example
Host
: The alias you use for the server.HostName
: The actual domain name or IP address of the server.User
: The username used to log in to the server.IdentityFile
: The path to the private key file.