5 ways the Linux nmap command can help keep your network secure

Nmap is an essential tool for anyone who's serious about network security. It can be installed on any Linux distribution.
How-To Geek on MSN

How to See All Devices on Your Network With nmap on Linux

Install nmap if you don't already have it on your Linux computer. Run "sudo apt-get install nmap" on Ubuntu, or "sudo dnf ...
Ars Technica

Linux display out serial port

I have Redhat 7.3 installed, and i want to pump the display out the serial port. How can i do this? I am using grub. I can use lilo if need be. I know its pretty simple i have done it long ago with ...
TechRepublic

How to configure SSH to use a non-standard port with SELinux set to enforcing

How to configure SSH to use a non-standard port with SELinux set to enforcing Your email has been sent Switching the SSH listening port is an easy way to help secure remote login on your Linux servers ...