If nmap is not presently installed on your system, you can download it without any difficulty. Use nmap –sP host to perform a ping sweep, where host is the individual hostname or IP address you wish ...

If SSH is the Swiss Army knife of the system administration world, Nmap is a box of dynamite. It's really easy to misuse dynamite and blow your foot off, but it's also a very powerful tool that can do ...

Are you having trouble remembering what IP addresses are in use on your network? Jack Wallen shows you how to discover those addresses with two simple commands. How many times have you tried to ...

The best-known piece of software to achieve this is nmap, a free open-source application available from www.insecure.org. If nmap is not presently installed on your system, you can download it without ...