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Introduction to RDP – Remote Desktop Protocol

RDP or Remote Desktop Protocol is used to get a remote session into a Windows or Windows Server operating system. This unlike other tools like telnet gives you a graphical session to your remote computer, this means you can log in and get your normal Windows desktop environment. Microsoft have released official Remote Desktop applications …

Introduction to Linux terminal

What is the terminal? The terminal(which is also known as the shell) is basically a program that takes the commands that you type on your keyboard and and passes them through to the operating system to complete them. Back in the old days this was the only way to interact with computer, there was no …

Introduction to Linux

What is Linux? Linux is an Open Source operating system(also known as an OS) that was created by Linus Torvalds in 1991. Linux is POSIX compliant which means that it is UNIX like, many of the commands that work on UNIX will also work on Linux. Do not be confused though, linux and UNIX are …

How To Install Windows 10 Technical Preview

Windows 10 Technical Preview has been released and you can now download and install it. I would recommend installing Windows 10 Technical Preview on a virtual machine or old PC not on your physical hardware that you use everyday, as this is a preview of Windows 10 not the final version it may have bugs …

How to install AsteriskNOW

Asterisk is a free and open source framework for building communications applications and is sponsored by Digium. Asterisk turns an ordinary computer into a communications server. Asterisk powers IP PBX systems, VoIP gateways, conference servers and is used by small businesses, large businesses, call centers, carriers and governments worldwide This video shows you the basic …

What is a PERT chart?

PERT stands for Program Evaluation Review Technique and is sometimes referred to a a Project Network Diagram The PERT chart is a project management tool that is used to schedule, organise and coordinate tasks for a project. The PERT chart is a graphical medium to demonstrate the project as a network diagram made up of …

Cannot connect to exchange server or OWA with Http Event 15021

Microsoft-Windows-HttpEvent – Event ID: 15021 An error occurred while using SSL configuration for endpoint 0.0.0.0:443. The error status code is contained within the returned data. This error is because the SSL certificate is not binded to the Exchange site properly. This will stop outlook being able to connect to exchange and also if you browse to …

How to fix WSUS error 800b0001

On Windows Server the error code 800B001 means that the client has the WUAgent V7.6.7600.256 and is missing a patch. To fix this is easy, you just need to install the patch KB2734608 which you can download from http://support.microsoft.com/kb/2734608. After installing the update you will need to re-index the WSUS database. To do this you …