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MS Server Articles:

Windows Servers
Our previous article covered introduction to the Domain Name System (DNS) and explained the importance of the DNS Server role within the network infr…
Windows Servers
A Windows Active Directory Certification Authority server (AD CA), also known as a Certificate Authority, is an essential service to every organizati…
Windows Servers
When you shadow copy a disk volume, you are actually generating a snapshot of the changes made to the folders and files within the disk volume at a c…
Windows Servers
FREE Hyper-V & VMware Virtualization Backup:  FREE for Firewall.cx readers for a Limited Time!  Download Now! Windows Server 2012 Edi…

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Virtualization & VM Backup Articles:

Everyone who attends the webinar has a chance of winning a VMware VCP course (VMware Install, Config, Manage) worth $4,500! Climbing the career ladd…
In this article we will cover the differences between VMware ESXi, vSphere and vCenter while also explain the features supported by each vSphere edit…
Businesses that rely on virtual machines for their day-to-day operations should think twice about securing their infrastructure. Modern use of virtua…
In this article, we'll show you how to deal with VMs which are reported to have an Invalid Status as shown in the screenshot below. This is a co…

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Linux - Unix
For many engineers and administrators,  maintaining a Linux system can be a daunting task, especially if there’s limited time or experience.  Wo…
Linux - Unix
In a multi-user environment like Linux, every file is owned by a user and a group. There can be others as well who may be allowed to work with the file. W…
Linux - Unix
This article covers the main TCP/IP network configuration files used by Linux to configure various network services of the system such as IP Address, Defa…
Linux - Unix
Different Linux systems can be used in many ways. This is the main idea behind operating different services at different operating levels. For example, th…

Popular Topics

OpManager - Network Monitoring & Management
Accurately monitoring your organization’s business application performance, service provider SLA breaches, network infrastructure traffic, bandwidth avail…
Cisco Routers
GRE Tunnels are very common amongst VPN implementations thanks to their simplicity and ease of configuration. With broadcasting and multicasting support…
OpManager - Network Monitoring & Management
The days of relying solely on static monitoring dashboards and manual firefighting are long gone. Today’s environments demand automation-first operations…
Cisco Switches
In previous articles, we showed how it is possible to configure a Cisco router or Catalyst switch to provide DHCP server services to network clients. Ever…