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Linux File & Folder Permissions
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Installing Software On Linux
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MS Server Articles:
Windows Servers
Free Webinar & eBook on Microsoft Licensing for V…
Microsoft Licensing for Virtual environments can become a very complicated topic, especially with all the misconceptions and false information out th…
Windows Servers
Configuring Local Group Policy for Windows 2003
Windows 2003 Group Policies allow the administrators to efficiently manage a group of people accessing a resource. Group policies can be used to cont…
Windows Servers
How to Install and Configure Windows 2012 DNS Ser…
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
The Importance of a Hyper-V & VMware Server Backu…
Using Hyper-V Server virtualization technology, you can virtualize your physical environment to reduce the cost of physical hardware. As part of IT b…
Featured Subcategories:
Virtualization & VM Backup Articles:
How to Fix VMware ESXi Virtual Machine 'Invalid S…
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…
FREE Webinar - Fast Track your IT Career with VMw…
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…
Ultimate Guide: Install Windows 11 on VMware ESXi…
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…
8 Critical Features to Have in a VM Backup Soluti…
Businesses that rely on virtual machines for their day-to-day operations should think twice about securing their infrastructure. Modern use of virtua…
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Linux - Unix
Linux BIND DNS - Part 3: Configuring The db.192.168.0…
The db.192.168.0 zone data file is the second file we need to create and configure for our BIND DNS server. As outlined in the DNS-BIND Introduction, this…
Linux - Unix
How To Secure Your Linux Server or Workstation - Linux…
Below are some of the most common recommendations and method to effectively secure a Linux Server or Workstation.
Boot Disk
One of the foremost requisit…
Linux - Unix
Linux BIND DNS - Part 4: Common BIND Files - Named.loc…
So far we have covered in great detail the main files required for the firewall.cx domain. These files, which we named db.firewall.cx and db.192.168.0, de…
Linux - Unix
Understanding, Administering Linux Groups and User Acc…
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…
Popular Topics
Cisco Switches
Cisco 4507R+E Layer 3 Installation: Redundant WS-X45-S…
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 Routers
Cisco GRE and IPSec - GRE over IPSec - Selecting and C…
GRE Tunnels are very common amongst VPN implementations thanks to their simplicity and ease of configuration. With broadcasting and multicasting support…
Cisco Routers
Configuring Cisco SSL VPN AnyConnect (WebVPN) on Cisco…
Our Web SSL VPN article written back in 2011 introduced this new wave of VPN services. This article extends the topic by covering the installation a…
Cisco Switches
Cisco Catalyst Err-disabled Port State, Enable & Disab…
Errdisable is a feature that automatically disables a port on a Cisco Catalyst switch. When a port is error disabled, it is effectively shut down and…







