Skip to main content

Microsoft Server Articles:

Windows Servers
People and companies usually adopt a backup strategy suited to the needs of their working environment. As such, there is no absolute right or wrong m…
Windows Servers
Microsoft Licensing for Virtual environments can become a very complicated topic, especially with all the misconceptions and false information out th…
Windows Servers
Most would remember the days we had to have a CDROM or DVDROM in order to proceed with the installation of an operating system. Today, it is very com…
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…

Featured Subcategories:

Virtualization Articles:

Virtualization & VM Backup
Businesses that rely on virtual machines for their day-to-day operations should think twice about securing their infrastructure. Modern use of virtua…
Virtualization & VM Backup
In this article we will cover the differences between VMware ESXi, vSphere and vCenter while also explain the features supported by each vSphere edit…
Virtualization & VM Backup
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…
Virtualization & VM Backup
In this article, we’ll show you how to setup or install Microsoft Windows 11 on VMware’s ESXi servers and bypass the Trusted Platform Module version…

Windows Workstation Articles:

Windows Workstations (XP, 7, 8, 10, 11)
Windows 8 & 8.1 hides two types of files so that normally, you do not see them while exploring your computer. The first type is the files or fold…
Windows Workstations (XP, 7, 8, 10, 11)
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…
Windows Workstations (XP, 7, 8, 10, 11)
This article will show you how to start Windows 8 and Windows 8.1 in Safe Mode and how to enable F8 Safe Mode. Previous Windows O/S users would recal…
Windows Workstations (XP, 7, 8, 10, 11)
Around 2007, an undocumented feature of Windows, called the God Mode, was published outside of documentation provided by Microsoft. This is the Windo…

Linux-Unix Articles:

Linux - Unix
Setting up a Secondary (or Slave) DNS sever is much easier than you might think. All the hard work is done when you setup the Master DNS server by cr…
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 exampl…
Linux - Unix
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 oth…
Linux - Unix
For many engineers and administrators,  maintaining a Linux system can be a daunting task, especially if there’s limited time or experience.&nbs…

All-in-one protection for Microsoft 365

All-in-one protection for Microsoft 365

FREE Hyper-V & VMware Backup

FREE Hyper-V & VMware Backup

Enterprise-Class Cloud & Network Monitoring

Enterprise Class Cloud & Network Monitoring - Free Download

Wi-Fi Key Generator

Generate/Crack any
WEP, WPA, WPA2 Key!

Network and Server Monitoring

Network and Server Monitoring

Follow Firewall.cx

Cisco Password Crack

Decrypt Cisco Type-7 Passwords on the fly!

Decrypt Now!

Bandwidth Monitor

Zoho Netflow Analyzer Free Download

Free PatchManager

Free PatchManager

Security Podcast

Hornet-Security-The-Swarm-Podcast

Firewall Analyzer

zoho firewall analyzer


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. Whether…
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 main…
Linux - Unix
It's time to start creating our zone files. We'll follow the standard format, which is given in the DNS RFCs, in order to keep everything neat and less co…
Linux - Unix
When you are running your own web hosting, it is important to monitor how much space is being used by each user. This is not a simple task to be done manu…

Popular Articles:

OpManager - Network Monitoring & Management
The hybrid work culture has resulted in workforces increasingly using their mobile devices for work, further adding to the complexity of ensuring security…
Virtualization & VM Backup
In this article we will cover the differences between VMware ESXi, vSphere and vCenter while also explain the features supported by each vSphere edition…
SASE & SD-WAN Networks
Software Defined Wide Area Networking (SD-WAN) is changing the way that businesses connect to the cloud. With SD-WAN, organizations can move away from clo…
SASE & SD-WAN Networks
A lot has changed in how people work during the past twenty years. Co-working spaces, mobility, and the cloud now are common. Businesses are spread out an…
Palo Alto Networks
This article explains how to register and activate your Palo Alto Firewall Appliance to obtain technical support, RMA hardware replacement, product update…
OpManager - Network Monitoring & Management
Work transformation is not 'one and done,'" says  IDC's vice president, Holly Muscolino. Most enterprises understand that a hybrid workforce is the f…
Palo Alto Networks
Palo Alto Networks Next-Generation Firewalls rely on the concept of security zones in order to apply security policies. This means that access lists (fire…
SASE & SD-WAN Networks
With so much enterprise network traffic now destined for the cloud, backhauling traffic across an expensive MPLS connection to a data center to apply secu…