This article examines netstat and some of it many outputs, in relation to the open systems interconnect (OSI) model. A quick examination of netstat's man pages provides a description of the program: ...

The netstat command can display an overwhelming amount of network statistics. Ready to make your focus a little easier with a series of aliases? What kind of stats does the netstat -s command provide?

I've been using Linux for what seems like forever. Over the years, I've noticed that I use the command line less and less, because the GUIs have just gotten so much better. Even still, there are ...

In today's interconnected digital landscape, monitoring network activity is paramount for ensuring the security and efficiency of computer systems. Whether you're a system administrator, network ...

As a Linux administrator, your first line of defense is to know what services are running on your system. It's your responsibility to check whether or not services are authorized, as well as to ...

If you’re considering adding Linux to your data center, or your company is looking at promoting you to become their first (or next) Linux admin, you probably understand there are lots of commands to ...

Linux systems provide a lot of useful commands for reviewing network configuration and connections. Here's a look at a few, including ifquery, ifup, ifdown and ifconfig. There are a lot of commands ...

One of the most worrisome aspects of computer intrusions is that hackers generally prefer to avoid fame and try to hide their presence on compromised systems. Using sophisticated and surreptitious ...