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MS Server Articles:

Windows Servers
In this article we will show you how to enable the ‘Web Server’ certificate template option on a Windows Certification Authority (Windows CA) Server…
Windows Servers
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
This article explains what Group Policies are and shows how to configure Windows Server 2012 Active Directory Group Policies. Our next article will c…
Windows Servers
In this article, we will cover more advanced DHCP features and topics such as server options, superscopes, multicast scopes, dynamic DNS, DHCP databa…

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Virtualization & VM Backup Articles:

Microsoft 365 is an incredibly powerful software suite for businesses, but it is becoming increasingly targeted by people trying to steal your data…
SysAdmin Day has arrived, and with it, gratitude for all the unsung heroes that 2020 has needed. Your hard work has made it possible for all of us to…
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…
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…

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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
Security researchers at qualys.com yesterday released information on a critical 15 year-old Linux security hole which affects millions of Linux systems da…
Linux - Unix
For a cable modem or a DSL connection, the service provider dynamically assigns the IP address to your PC. When you install a DSL or a home cable router b…
Linux - Unix
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…

Popular Topics

Cisco Routers
The DNS protocol is used to resolve FQDN (Fully Qualified Domain Names) to IP addresses around the world. This allows us to successfully find and connect…
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…
Windows Workstations (XP, 7, 8, 10, 11)
Not many people are aware that Windows 7 has built-in capabilities that allow it to be transformed into a perfectly working access point so that wireless…
Network Protocol Analyzers
Firewall.cx has covered Colasoft Capsa several times in the past, but its constant improvements make it well worth revisiting. Since the last review, the…