First, you need to get the IP address of your machine on your local network. In OS X, the easiest place to find this is in System Preferences > Network. If you're using DHCP on your local network, you will want to make sure your computer requests the same IP address when it renews it's IP address lease.
SSH （指 SSH 客户端）是一个用于访问远程主机的程序，它使得用户能够在远程主机上执行命令。这是在登录远程主机中的最受推崇的方法之一，因为其设计目的就是在非安全网络环境上为两台非受信主机的通信提供安全加密。
In this document I hope to describe: 1) A non-mathematical overview of the rsync algorithm. 2) How that algorithm is implemented in the rsync utility. 3) The protocol, in general terms, used by the rsync utility. 4) The identifiable roles the rsync processes play.