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Linux File & Folder Permissions
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Installing Software On Linux
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MS Server Articles:
Windows Servers
How to Easily Change Network Card Profile / Netwo…
Network Location Awareness (NLA) is a feature offered on Windows Server 2012 R2 and all Windows workstation editions from Windows 8.1 and above, incl…
Windows Servers
Guide to Windows Server 2016 Hyper-V Hypervisor…
One of Windows Server 2016 highlights is the newer Hyper-V server that not only extends the hypervisor’s features and capabilities but also introduce…
Windows Servers
Installing Windows Server 2012 Active Directory v…
This article serves as an Active Directory tutorial covering installation and setup of a Windows 2012 Domain Controller using Windows Server Manager…
Windows Servers
Troubleshooting Windows Server 2012 R2 Crashes. A…
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 ma…
Featured Subcategories:
Virtualization & VM Backup Articles:
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…
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…
World Backup Day with Free Amazon Voucher and Pri…
Celebrate World Backup Day and WIN with Altaro!
We all remember how grateful we were to have backup software when facing so many data loss mishaps…
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…
Wi-Fi Key Generator
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Linux - Unix
Linux File & Folder Permissions
File & folder security is a big part of any operating system and Linux is no exception!
These permissions allow you to choose exactly who can access…
Linux - Unix
Configuring Linux to Act as a Firewall - Linux IPTable…
What exactly is a firewall? As in the non-computer world, a firewall acts as a physical barrier to prevent fires from spreading. In the computer world too…
Linux - Unix
Finding More Information On The Linux Operating System
Since this document merely scratches the surface when it comes to Linux, you will probably find you have lots of questions and possibly problems. Whether…
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…
Popular Topics
Cisco Switches
DHCP Option 82 Message Format, Analysis. DHCP Snooping…
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…
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…
Cisco Routers
Resolving Cisco Router/Switch Tftp Problems: Source IP…
When working with Cisco equipment that has multiple ip interfaces, a common problem engineers are faced with is trying to successfully tftp to or from the…
VLAN Networks
Dynamic VLANs
Dynamic VLANs were introduced to grant the flexibility and complexity(!) that Static VLANs did not provide. Dynamic VLANs are quite rare because of their…







