關於Mac中ssh: connect to host localhost port 22: Connection refused

在Mac OS X 10.10.5學習hadoop的過程中，輸入命令ssh localhost得到

ssh: connect to host localhost port 22: Connection refused

解決方法是選擇系統偏好設置->選擇共享->點擊遠程登錄

然後再輸入命令ssh localhost發現已經解決問題

找到解決方案來自於

http://stackoverflow.com/questions/6313929/how-do-i-open-port-22-in-os-x-10-6-7