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Articles:
Linux File & Folder Permissions
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Advanced Linux Commands
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Installing Software On Linux
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The Linux Command Line
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Why Use Linux?
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MS Server Articles:
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
Active Directory Tombstone Lifetime Modification
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
New Features in Windows Server 2012 - Why Upgrad…
There is no doubt that Cloud Computing is hot topic these days. Innovations in cloud computing models have made every industry and company IT departm…
Windows Servers
Creating Windows Users and Groups with Windows 20…
In a Windows server environment, it is very important that only authenticated users are allowed to log in for security reasons. To fulfill this requi…
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Virtualization & VM Backup Articles:
Differences Between VMware vSphere, vCenter, ESXi…
In this article we will cover the differences between VMware ESXi, vSphere and vCenter while also explain the features supported by each vSphere edit…
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…
5 Most Critical Microsoft M365 Vulnerabilities Re…
Microsoft 365 is an incredibly powerful software suite for businesses, but it is becoming increasingly targeted by people trying to steal your data…
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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
Linux VIM / Vi Editor - Tutorial - Basic & Advanced Fe…
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
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, Defa…
Linux - Unix
The Linux Command Line
You could actually skip this whole section for those who are already familiar with the topic, but we highly recommend you read it because this is the hear…
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ManageEngine Firewall Analyzer
Discover the Ultimate Firewall Management Tool: 7 Esse…
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Windows Workstations (XP, 7, 8, 10, 11)
Installing The ‘Unsupported’ Profilic USB-to-Serial Ad…
Thanks to the absence of dedicated serial ports on today’s laptops and ultrabooks, USB-to-Serial adapters are very popular amongst Cisco engineers as they…
Windows Workstations (XP, 7, 8, 10, 11)
How to Join a Windows 8, 8.1 Client to Windows Domain…
In this article, we will show how to add a Windows 8 or Windows 8.1 client to a Windows Domain / Active Directory. The article can be considered an extent…
Cisco Switches
Password Recovery / Password Reset Procedure for Catal…
This article shows how to reset a password on a Cisco Catalyst 3750-X (stacked or single unit) and Cisco Catalyst 3560-x switch without losing its startup…