rlogin – the legacy remote login tool
The rlogin (remote login) program was a tool for remotely using a computer over a network. It could be used to get a command line on a remote computer. SSH…
Memcached DDoS attack
Memcached can speed up websites, but a Memcached server can also be exploited to perform a DDoS attack. What is a memcached DDoS attack? A memcached distributed denial-of-service (DDoS) attack…
What is DDoS mitigation?
Properly implemented DDoS mitigation is what keeps websites online during an attack. Explore the process of DDoS mitigation and the essential characteristics to look for in a mitigation service. What…
What Is a Command Line Interpreter?
Command line interpreter definition & common command line interfaces A command line interpreter is any program that allows one to enter commands and then execute those commands to the operating…
What is a virtual machine?
Virtual machines (VMs) are computers that run inside of other computers using a process known as virtualization. What is a virtual machine? A virtual machine (VM) is a software-based computer…
The power of Sudo – Linux
“The power of sudo is strong with this one!” Sudo is a command-line utility for Unix and Unix-based operating systems such as Linux and macOS. The utility provides an efficient…
Useful ‘host’ Command Examples for Querying DNS Lookups
Host command is a minimal and easy-to-use the command line interface, or CLI utility for performing DNS lookups which translate domain names to IP addresses and vice versa. It can…
How to Install and Use dig and nslookup Commands in Linux
In this article, you will learn how to install the dig command and nslookup command on Linux. These commands are used for network troubleshooting and gathering information about domain names.…
10 Linux Dig (Domain Information Groper) Commands to Query DNS
In our previous article, we have explained nslookup command examples and usage, which is a networking command-line tool used for querying and getting information of DNS (Domain Name System). Here,…
How to Set Up Bluetooth on Linux
Sometimes your Linux distribution doesn’t detect your laptop’s Bluetooth hardware. Or perhaps you want to add a USB Bluetooth dongle to a desktop computer. Either way, here’s how to get…