Here is the command via terminal to find the Serial Number for OS X Server. sudo /System/Library/ServerSetup/serverserialnumberutil -get Out put will be the serial number, the name and company that it’s registered too. This only works on OS X Server 10.6 or higher.

Removing one file type from a sub-directory To delete one file type from the entire hard drive, or from one subdirectory: sudo find / -name “.DS_Store” -depth -exec rm {} \; The first / can be replaced with the full folder path. .DS_Store can be replaced with any filename, or wild card, *.jpg for instance

An IP address is a number that identifies devices connected to a network. In short every single computer, mobile phone, printer, server, etc, connected to the Internet is assigned a unique address. Note that this is totally different then a MAC address which is unique and is only assigned to one device. IP address can [...]

How To: Find MAC Address on local computer One of the ways to increase security on a wireless (or really, ANY) network is to only allow computers with certain MAC Addresses to connect. Many wireless routers made for the consumer market have this feature built in and can be set in the security settings. Any [...]