Using Terminal to Find Your Mac’s Network Name


Your Mac’s network name forms part of its network address. If you want to share your Mac’s files and folders with other computers on your network you’ll need to know its network address so that those other computers can connect to it. This information is readily available in System Preferences, but this article looks at how to get your Mac’s network name using the command line.


Subnetting: A Visual Representation


In general, the computers and devices that make-up networks are each assigned an IP address. The IPv4 address is written in dot-decimal notation, a series of 4 decimal integers each separated by a period for clarity. For computers, this human-readable format is stored in binary with each decimal integer represented by 8 bits or 1 byte commonly referred to as an octet. The 4 decimal integers of an IPv4 address are therefore represented by 4 octets totalling 32 bits.


Assigning a Locally Networked Computer a Static IP Address in Mac OS X


Each computer connected to a local network is assigned a dynamic IP address. On occasion it’s useful, if not essential, to assign a static IP address instead. As an example, port forwarding requires the destination computer on a local network to have a static IP address.

Using Mac OS X Lion 10.7.1, I’ll describe two ways of assigning a static IP address to a computer on a local network.


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