Host Myserver HostName (適当なIPアドレス or FQDN) Port 22(設定したやつ) IdentityFile ~/.ssh/myserver/id_rsa User hogehoge Host BitBucket HostName bitbucket.org(絶対これ) IdentityFile ~/.ssh/bitbucket/id_rsa TCPKeepAlive yes IdentitiesOnly yes User git(任意) Host GitHub HostName github.com(絶対これ) IdentityFile ~/.ssh/github/id_rsa TCPKeepAlive yes IdentitiesOnly yes User git(絶対これ)