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Windows Servers
IT professionals frequently need connectivity and management tools. The Telnet Client is one of the most basic tools for such activities. Using thi...
Windows Servers
FREE Hyper-V & VMware Backup:  FREE for Firewall.cx readers for a Limited Time!  Download Now! Virtualization is an abstraction lay...
Windows Servers
Microsoft introduced Fine-Grained Password Policy for the first time in Windows Server 2008 and the policy has been part of every Windows Server si...
Windows Servers
This article provides a comprehensive guide to deploying Active Directory and DNS Services on Windows Server 2022, encompassing the Essential, Stan...

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Virtualization & VM Backup Articles:

When considering your VM backup solution, key features such as deduplication are incredibly important. This is not simply from a cost perspective b...
In this article we will show you how to enable SNMP on your VMware ESXi host, configure SNMP Community string and configure your ESXi firewall to a...
Businesses that rely on virtual machines for their day-to-day operations should think twice about securing their infrastructure. Modern use of virt...
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 ...

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Linux - Unix
You may be a user at home, a user in a LAN (local area network), or a system administrator of a large network of computers. Alternatively, you may be ma...
Linux - Unix
Since this document merely scratches the surface when it comes to Linux, you will probably find you have lots of questions and possibly problems. Whethe...
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, ...
Linux - Unix
Below are some of the most common recommendations and method to effectively secure a Linux Server or Workstation. Boot Disk One of the foremost requis...

Popular Topics

Cisco Routers
Introduction Let's see what it looks like to be in User-Exec mode on a Cisco router. Below, we have telneted into our lab router and are in User Exec M...
Cisco Routers
When working with Cisco equipment that has multiple ip interfaces, a common problem engineers are faced with is trying to successfully tftp to or from t...
Cisco Routers
The Point-to-Point Protocol is one of the most popular protocols around used by engineers, ISPs and companies around the globe for authentication of rem...
Cisco Switches
Driven by our thirst for technical material and experience, we thought it would be a great idea to start presenting various installations of Cisco equip...