对于Linux操作系统来说，一般通过VNC、Teamviewer和SSH等工具来进行远程管理，SSH是 Secure Shell的缩写，由IETF的网络小组（Network Working Group）所制定；SSH 为建立在应用层基础上的安全协议。SSH 是目前较可靠，专为远程登录会话和其他网络服务提供安全性的协议。

I logged into my home Mac from work today and I'm wondering if there's a log kept to I can SSH back there from home. I don't have the IP and I need it of course.