Articles
To read the articles in this section, simply click on the article title or read button on the far right (if visible).
Use the below filters to customise the number of articles displayed or search for specific title topics/keywords.
| Articles | |
|---|---|
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
| Read | |
|
Articles:
Linux File & Folder Permissions
| Read |
|
Articles:
Advanced Linux Commands
| Read |
|
Articles:
Installing Software On Linux
| Read |
|
Articles:
The Linux Command Line
| Read |
|
Articles:
The Linux File System
| Read |
|
Articles:
Why Use Linux?
| Read |
MS Server Articles:
Windows Servers
How to Install Windows 2012 Hyper-V via Server Ma…
Our previous article covered the basic concepts of Virtualization and Windows Server 2012 Hyper-V. This article takes a closer look at Microsof…
Windows Servers
Windows Server 2016 – Hyper-V Virtualization Upda…
The new Hyper-V virtualization features offered by Windows Server 2016 are planning to make major changes in the virtualization market. From Nested H…
Windows Servers
How to Install Desktop Icons (Computer, User’s Fi…
One of the first things IT Administrators and IT Managers notice after a fresh installation of Windows 2012 Server is that there are no Desktop Icons…
Windows Servers
How to Install/Enable Telnet Client for Windows S…
IT professionals frequently need connectivity and management tools. The Telnet Client is one of the most basic tools for such activities. Using this…
Featured Subcategories:
Virtualization & VM Backup Articles:
How to Enable SNMP on VMware ESXi Host & Configur…
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…
6 Key Areas to Consider When Selecting a VM Backu…
Backup and Disaster recovery are core considerations for any business with an IT footprint, whether that is on-premises or in the cloud.
Your busine…
SysAdmin Day 2020 - Get your Free Amazon Voucher…
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…
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…
Wi-Fi Key Generator
Follow Firewall.cx
Cisco Password Crack
Decrypt Cisco Type-7 Passwords on the fly!
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…
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 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
Linux System Resource & Performance Monitoring
You may be a user at home, a user in a LAN (local area network), or a system administrator of a large network of computers. Alternatively, you may be main…
Popular Topics
Windows Workstations (XP, 7, 8, 10, 11)
Configure Windows 8 & 8.1 To Provide Secure Wireless A…
Windows 8 and Windows 8.1 (including Professional edition) operating systems provide the ability to turn your workstation or laptop into a secure wireless…
Network Protocol Analyzers
Introducing Colasoft Unified Performance Management
Colasoft Unified Performance Management (UPM) is a business-oriented network performance management system, which analyzes network performance, quality, f…
VLAN Networks
The VLAN Concept - Introduction to VLANs
We hear about them everywhere, vendors around the world are constantly trying to push them into every type of network and as a result, the Local Area Netw…
Cisco Switches
Complete Guide to DHCP Snooping, How it Works, Concept…
This article covers popular Layer 2 & Layer 3 network attacks with a focus on DHCP Starvation Attacks, Man-in-the-Middle attacks, unintentional rogue…







