A friend of mine has had an issue crop up on her laptop recently, so I offered to take a look at it. It has me totally stumped though, so I'm hoping the hive mind can help me out. Essentially, the ...

In the previous lesson, we reviewed the ICMP (Internet Control Message Protocol). It’s the basis for the applications ping and traceroute. If you recall from that lesson, when you ping an address with ...

Troubleshoot your networking problems like a pro, never having to deal with "Connection refused." ...

There are three commands you can use to find out what the IP address of a website is, and they’re all easy to use. Let’s see what you’re required to do: Find the IP address using the ping command Find ...