Install nmap if you don't already have it on your Linux computer. Run "sudo apt-get install nmap" on Ubuntu, or "sudo dnf install nmap" on Fedora. To investigate devices, try looking up OUIs, scanning ...

In Linux, the uniq command can help find out the individual users who are logged into a given server, but it’s not a straightforward process. Yes, using the command on its own yields a list of who’s ...

How to deploy the Malcolm network traffic analysis tool with Ubuntu Server 22.04 Your email has been sent Malcolm is an open-source network traffic analysis tool that uses a framework of tools to ...

If you’re overly paranoid about computer security, you probably know that standard DNS isn’t terribly secure. Why? Because, by default, DNS queries are not encrypted. That means DNS can be (and often ...