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Windows Servers
FREE Hyper-V & VMware Virtualization Backup:  FREE for Firewall.cx readers for a Limited Time!  Download Now! Windows Server 2012 Edi…
Windows Servers
With Windows 2016 Server already making its way into data centers Windows 2016 Server Licensing is becoming a very hot topic. Windows 2016 Server is…
Windows Servers
This article serves as an Active Directory tutorial covering installation and setup of Windows 2012 Active Directory Services Role & Domain Contr…
Windows Servers
DHCP (Dynamic Host Configuration Protocol) is a protocol that allows clients on a network to request network configuration settings from a server run…

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Virtualization & VM Backup Articles:

SSH access to VMware’s ESXi server is by disabled by default however there are many reasons where SSH might be required. VMware and System administra…
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…
Celebrate World Backup Day and WIN with Altaro! We all remember how grateful we were to have backup software when facing so many data loss mishaps…
Microsoft 365 is an incredibly powerful software suite for businesses, but it is becoming increasingly targeted by people trying to steal your data…

Cybersecurity Framework Update

2026 Cybersecurity Essentials Framework Update

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Linux - Unix
When you are using Vim, you want to know three things - getting in, moving about and getting out. Of course, while doing these three basic operations, you…
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…
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
This article was written thanks to our recent encounter of a HP DL120 G7 rack mount server equipped with a HP Smart Array B110i SATA Raid controller, need…

Popular Topics

Cisco Switches
The Supervisor Engine is the heart of the Cisco Catalyst 4500 and 6500 series switches. It is the equivalent of an engine in a car. Every packet that ente…
Cisco Switches
It's no news that we here at Firewall.cx enjoy writing about our installations of Cisco equipment and especially devices that we don’t get to see and play…
Cisco Switches
There’s a new switch around the block and its name is Catalyst 3850 – Cisco’s latest addition to its successful Catalyst series switches. The Cisco Cataly…
Cisco Routers
MPLS generates Implicit Null label (The Implicit NULL label is the label that has a value of 3) for directly connected interfaces and for the summary rout…