Category: E-Learning

What Kind of Ethernet (Cat-5/e/6/a) Cable Should I Use?

Not all Ethernet cable is created equally. What’s the difference, and how do you know which you should use? Let’s look at the technical and physical differences in Ethernet cable categories to help us decide. Ethernet cables are grouped into sequentially numbered categories (“cat”) based on different specifications; sometimes the category is updated with further clarification

Practical Examples Of Linux ‘nmap’ Command

About Nmap Nmap is a tool used for determining the hosts that are running and what services the hosts are running. Nmap can be a valuable diagnostic tool for network administrators while they can be also a potent reconnaissance tool for the Black-hat community (Hackers, Crackers, Script Kiddies, etc). Once the network is charted out using

How to Manage Systemd Services on a Linux System

Systemd is now used by default in most Linux distributions, from Fedora and Red Hat to Ubuntu, Debian, openSUSE, and Arch. The systemctl command allows you to get information about systemd’s status and control running services. Despite the controversy, this at least introduces some standardization across Linux distributions. The same commands will allow you to