The ‘confreg’ command in Cisco networks is a powerful tool used for configuring various settings related to the network’s hardware, operating system, and routing protocols. Here’s a detailed explanation: Purpose: The primary purpose of the ‘confreg’ command is to make changes to the device’s configuration register. The configuration register is a special area in the…
As technology continues to evolve, the role of a network architect has become increasingly important in designing and maintaining complex computer networks. Network architects are responsible for creating and implementing network infrastructure solutions that meet the needs of organizations. In order to excel in this field, it is crucial for network architects to possess a…
Cisco Command: show interfaces Purpose: The ‘show interfaces’ command is a powerful diagnostic tool used to display detailed information about the physical and logical interfaces of a Cisco networking device. By utilizing this command, network administrators can gain valuable insights into the status, configuration, and performance of various interfaces on their network devices, aiding in…
The Domain Name System (DNS) maps domain names to IP addresses. This is an essential part of the Internet. It is also one of the most vulnerable. DDOS and other types of hacker attacks on DNS servers can bring down huge parts of the Internet. It’s not just hackers that cause DNS problems. DNS can go down…
There’s a million online tutorials and websites aimed at beginner programmers. But once you get beyond the basics, finding quality, free resources becomes much more difficult. One reason is that a lot of the basic programming tutorials are written by programmers who have only a year or two of experience. This is also why so…
Enterprise Resource Planning (ERP) systems play a critical role in managing and integrating various business processes within an organization. As an ERP developer, it is essential to choose the right programming language to ensure efficient development and maintenance of these complex systems. In this article, we will explore the best programming language for an ERP…
The North American Network Operators’ Group (NANOG) is an organization of network operators. It servers as a way for network operators from North America and beyond to communicate with one another. For over 20 years NANOG has been providing a platform for network engineers to communicate with one another, learn from one another and organize…
A domain name (sometimes called URL) is a human readable alias for an IP address. An example of a domain name is adminhacks.com. A active domain name will point to an IP address, which looks something like 10.132.21.4. A set of numbers is a lot harder for humans to remember than a domain name. Imagine…
Syntax: default-router [ip-address] Usage: The default-router command is used to configure a default router for a Cisco router. The default router is the router that the router will use to forward packets that are not destined for any of the directly connected networks. Effect: The default-router command adds the specified IP address to the routing…
What is a VPS? A Virtual Private Server (VPS) can be thought of as a virtual computer. How a VPS works is that a single powerful computer server is divided up into multiple smaller less power virtual servers. Each virtual server is private, meaning that generally users cannot reach across one VPS and use the…