Articles That Might Interest:

OpManager - Network Monitoring & Management

Free Webinar: Learn How Zero-Trust & Cloud Techno…

Work transformation is not 'one and done,'" says IDC's vice president, Holly Muscolino. Most enterprises understand that a hybrid workforce is the future, but they are finding the transformatio…

Windows Servers

Troubleshooting Windows Server 2012 R2 Crashes. A…

There are umpteen reasons why your Windows Server 2012 R2 decides to present you with a Blue Screen of Death (BSOD) or the stop screen. As virtual machines become more prominent in enterprise environ…

Cisco Data Center (Nexus/UCS)

Complete Guide to Nexus Checkpoint & Rollback Fea…

The Cisco NX-OS checkpoint feature provides the capability to capture at any time a snapshot (backup) of the Cisco Nexus configuration before making any changes. The captured configura…

Web Application Vulnerability Scanners

Top 3 Most Popular Web Application Vulnerabilitie…

Since 2011 Web Application Vulnerability scanners scanned 396 open source web applications. The scanners identified 269 vulnerabilities and a popular web vulnerability scanner published 114 advisorie…

Cisco Wireless

Easily Convert Cisco Autonomous - Standalone AP t…

This article explains how to convert a local or remote Autonomous / Standalone Cisco Aironet Access Point to Lightweight and register it to a Cisco WLC Controller. Included are detailed steps, comman…

Cisco Firewalls

Converting Cisco Firepower from Platform mode to…

This article explains how to configure a Cisco Firepower 2100 series device to operate in Appliance mode. We’ll show you how to switch from Platform mode to Appliance mode and how the device will aut…

The OSI Model

The OSI Model: Layer 1 - Physical Layer

The Physical layer has two responsibilities: it sends bits and receives bits. Bits come only in values of 1 or 0. The Physical layer communicates directly with the various types of actual communicati…

Network Cabling

Direct Cable Connection

From the early PC days, Direct Cable Connection (DCC) was the most popular way to transfer data from one PC to another. Of course, it might seem a bit of an "old fashioned" way to transfer data these…

Windows Workstations (XP, 7, 8, 10, 11)

Installing The ‘Unsupported’ Profilic USB-to-Seri…

Thanks to the absence of dedicated serial ports on today’s laptops and ultrabooks, USB-to-Serial adapters are very popular amongst Cisco engineers as they are used to perform the initial configuratio…

Cisco Routers

Configuring Cisco Dynamic Multipoint VPN (DMVPN)…

Our DMVPN Introduction article covered the DMVPN concept and deployment designs. We explained how DMVPN combines a number of technologies that give it its flexibility, low administrative overhead and…

Linux - Unix

Advanced Linux Commands

Now that you're done learning some of the Basic Linux commands and how to use them to install Linux Software, it's time we showed you some of the other ways to work with Linux. Bear in mind that each…

Cisco Routers

Cisco Router Modes

One of the greatest perhaps features of Cisco routers is that most commands used in the IOS software they run on, are identical across multiple platforms. For example, commands for configuring a giga…