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MS Server Articles:

Windows Servers

Windows Server 2016 Licensing Made Easy – Under...

This article describes the new Windows Server 2016 Licensing model (per-core licensing) Microsoft has implemented for its new server-based operatin...
Windows Servers

How to Easily Change Network Card Profile / Net...

Network Location Awareness (NLA) is a feature offered on Windows Server 2012 R2 and all Windows workstation editions from Windows 8.1 and above, in...
Windows Servers

Troubleshooting Windows Server 2012 R2 Crashes....

There are umpteen reasons why your Windows Server 2012 R2 decides to present you with a Blue Screen of Death (BSOD) or the stop screen. As virtual ...
Windows Servers

Windows 2003 DHCP Server Advanced Configuration...

In this article, we will cover more advanced DHCP features and topics such as server options, superscopes, multicast scopes, dynamic DNS, DHCP data...

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Virtualization & VM Backup Articles:

8 Critical Features to Have in a VM Backup Solu...

Businesses that rely on virtual machines for their day-to-day operations should think twice about securing their infrastructure. Modern use of virt...

How to Enable or Disable SSH on VMware ESXi via...

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 administ...

Understanding Deduplication. Complete Guide to ...

When considering your VM backup solution, key features such as deduplication are incredibly important. This is not simply from a cost perspective b...

How to Fix VMware ESXi Virtual Machine 'Invalid...

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 ...

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Catonetworks Security Service Edge (SSE)

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Network and Server Monitoring

Network and Server Monitoring

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SDWAN & SASE

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Bandwidth Monitor

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EventLog Analyzer

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Linux - Unix

Working with Linux TCP/IP Network Configuration Files

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, De...
Linux - Unix

Linux VIM / Vi Editor - Tutorial - Basic & Advanced ...

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, y...
Linux - Unix

Implementing Virtual Servers and Load Balancing Clus...

What is Server Virtualization? Server virtualization is the process of apportioning a physical server into several smaller virtual servers. During ...
Linux - Unix

Linux BIND DNS - Part 3: Configuring The db.192.168....

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, th...

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Cisco Switches

Cisco Nexus 7000 Series Module Shutdown and Removal ...

This article explains the procedure that should be followed to correctly shutdown/powerdown a Cisco Nexus 7000 series module and remove it from the chas...
Cisco Switches

Cisco Catalyst Err-disabled Port State, Enable & Dis...

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 a...
Network Protocol Analyzers

How to Detect SYN Flood Attacks with Capsa Network P...

This article explains how to detect a SYN Flood Attack using an advanced protocol analyser like Colasoft Capsa. We’ll show you how to identify and inspe...
VLAN Networks

VLAN Tagging - Understanding VLANs Ethernet Frames

We mentioned that Trunk Links are designed to pass frames (packets) from all VLANs, allowing us to connect multiple switches together and independently ...