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MS Server Articles:

Windows Servers
Part 1 of our Windows 2003 DHCP Server Advanced Configuration article explained the creation and configuration of DHCP Scope options and how to confi…
Windows Servers
Sometimes renaming a domain is an essential business requirement. There are many situations, such as mergers, change of company name or migration fro…
Windows Servers
In this article we will show you how to enable the ‘Web Server’ certificate template option on a Windows Certification Authority (Windows CA) Server…
Windows Servers
We have some exciting news for you today! Altaro has launched a great contest in celebration of SysAdmin Day on 27th July! They will be giving away…

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Virtualization & VM Backup Articles:

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 administra…
Microsoft 365 is an incredibly powerful software suite for businesses, but it is becoming increasingly targeted by people trying to steal your data…
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'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
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
It's time to start creating our zone files. We'll follow the standard format, which is given in the DNS RFCs, in order to keep everything neat and less co…
Linux - Unix
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…
Linux - Unix
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…

Popular Topics

Network Protocol Analyzers
When working with medium to large scale networks, IT departments are often faced dealing with network loops and broadcast storms that are caused by user e…
Cisco Routers
Hosting your own webserver or email server would normaly require a static IP address from your ISP. This ensures that your services are always reachable u…
VLAN Networks
If you've read our previous article The VLAN Concept - Introduction to VLANs  then you should feel comfortable with terms such as 'VLAN', 'Stati…
Network Protocol Analyzers
Troubleshooting network problems can be a very intensive and challenging process. Intermittent network problems are even more difficult to troubleshoot as…