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MS Server Articles:

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
Tombstone is a container object that contains the deleted objects from Active Directory. Actually when an object is deleted from Active Directory, it…
Windows Servers
Altaro has released Altaro VM Backup, a faster and lighter upgrade to its flagship Hyper-V and VMware backup solution, which now supports all Windows…
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…

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Virtualization & VM Backup Articles:

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 all…
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…
In this article we will cover the differences between VMware ESXi, vSphere and vCenter while also explain the features supported by each vSphere edit…
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…

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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
Installing software in Linux is very different from Windows for one very simple reason: most Linux programs come in 'source code' form. This allows you to…
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
For many engineers and administrators,  maintaining a Linux system can be a daunting task, especially if there’s limited time or experience.  Wo…

Popular Topics

Cisco Switches
The Cisco Catalyst Switching Portfolio is perhaps one of the most useful Cisco PDF files, containing all Catalyst series products.  The portfolio co…
VLAN Networks
It's easy to see why virtual LANs have become extremely popular on networks of all sizes. In practical terms, multiple VLANs are pretty much the same as h…
OpManager - Network Monitoring & Management
Accurately monitoring your organization’s business application performance, service provider SLA breaches, network infrastructure traffic, bandwidth avail…
Cisco Switches
This article provides in-depth analysis of DHCP Option 82 (DHCP Relay Agent) which is one of the +180 DHCP Options available to the DHCP protocol and used…