The useful program ping can be used to quickly test connections on your computer network. sends a signal from your computer to a specified network address. If the computer at that address responds, ...

In previous articles we’ve built some useful servers. But this time let’s take a look at one of the most powerful network troubleshooting tools ever written: the mighty “ping” command. You may have ...

The 'ping' command on most flavors of Unix has a nifty little feature that lets you select which port to ping on. It's handy when troubleshooting network applications. For example, if some wierd app.

Here in the Oregon HQ for macosxhints.com, we’ve got a few devices on our local network. There are the Macs, of course, and a networked Brother laser printer, the AirPort Base Station, and our (rarely ...