I work for a company which is the parent company for about four other companies. The four other companies all access their e-mail from an Exchange 2007 server which is administered in-house by me. Up until a few months ago this had been working great but as the businesses grew it became increasingly difficult to administer the Exchange Server and keep on top of backups and the complex nature of routing multiple domains all while still doing the rest of my work as well.
The implementation of the Exchange server admittedly wasn’t very well planned and ran on a very underpowered system, this made administering it even more of a headache and just to make it worse we also ran our own SonicWall spam filtering appliance which costs $3,000AUD per year to license. read more…
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Article first published as What Is An ISO File And How Do I Use Them? on Technorati.
Wikipedia defines an ISO file as:
An ISO image is an archive file (also known as a disc image) of an optical disc in a format defined by the International Organization for Standardization (ISO). This format is supported by many software vendors. ISO image files typically have a file extension of .iso.
To expand on that definition further, an .iso image is much like a .zip file. You can think of it as a container that holds all the files and folders contained on a CD or DVD but unlike a .zip file an ISO is not compressed. ISO files are useful for keeping backups of CD’s and DVD’s and for storing the contents of CD’s or DVD’s on portable hard-drives or uploading and downloading them on the internet.
How use an .iso file
When using an ISO file you have three options, you can either:
- Copy it to a CD or DVD
- Mount it on to a ‘Virtual CD/DVD Drive’
- Extract the contents of it to your hard-drive
How to copy an .iso image to a CD or DVD
Starting at the top of the list I will first explain how to create a CD/DVD from an ISO. Firstly you will need a program that is able to process and burn the image to a disc. For this I would not look past a neat piece of freeware called ImgBurn. It is completely ad and spyware free and I have been using it myself for a long time now.
During the install there is a dialogue which will ask you if you want to install the Ask toolbar, I generally untick the agreement tick box at this point and continue with the installation. ImgBurn will be installed without any toolbar junk. read more…
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Article first published as My PC is Frozen: How to Diagnose Faulty RAM on Technorati.
Does your computer frequently jam up? Do you seem to be getting a lot of blue screens? You may have faulty memory.
In this article I will try to explain how to diagnose your own faulty memory modules. The process is relatively simple, can save you money and can also be a valuable learning experience if you haven’t had much to do with computer repair before.
The first part of diagnosis is of course being able to recognise the symptoms, which include:
- The computer freezing up to the point that there is no mouse or keyboard input possible at all.
- A ‘blue screen of death’ followed by immediate shut down or restart.
- A failure to boot often accompanied by a series of beeping noises.
- Crashes during memory intensive tasks such as photo or video editing, gaming etc.
- Crashes and restarts during Windows installation.
I had the misfortune of experiencing some of these symptoms a few weeks ago when my computer began to freeze during different tasks especially while listening to music on Winamp for a while or within about 5 or 10 minutes of playing World of Warcraft or OFP: Dragon Rising. Luckily for me the fix was easy, all I had to do was remove the side cover from my PC and apply a bit of pressure on each of the memory modules to ensure that they were seated in the DIMM slots correctly. If you don’t know what a memory module or DIMM slot looks like then click on the image above left.
If you suspect that you have faulting memory then ensuring that the modules are pushed properly into the slots would be the first thing that I would try as this is normally the problem 20% of the time. Make sure you check the conditions of any warranty you may have on your PC first as removing the side cover and tampering with components may void it. read more…
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HDBaseT: The HDMI Killer?
Article first published as HDBaseT: The HDMI Killer? on Technorati.
Seven years after it’s inception there is finally another standard on the horizon that looks to overthrow HDMI’s reign on high-definition media. Founded by industry heavy-weights Samsung, LG, Valens Semiconductor and Sony Pictures the new standard, known as HDBaseT uses standard Cat5e/Cat6 cabling and standard RJ-45 connectors to transmit high-definition audio and video. The first specification for the HDBaseT standard has already been completed. You may recognise the Cat5/6 cables as the little blue (sometimes yellow) cables that you plug into your laptop or PC to connect to your modem.
The two most obvious benefits of using this medium is that these Cat5/6 cables are extremely cheap, easy to make and you can run them up to 100 metres in length. The standard will also support multi-hops which means if you connect your Cat5/6 cable to a hub every 100 metres you can run another 100 metre length (up to a maximum of 800 metres!). read more…
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Twitter Weekly Updates for 2010-08-29
- Flew solo! woooo! =D #
- Is HDMI dead? Find out tomorrow. #
- 2000 unique visitors since my blog was opened in July. Thanks to everyone! =D #
- Major issues yesterday with the webhost has put me behind! Two more articles are in the works. Stay tuned DG'ers =D #
- Flying 101: An Airline that obviously doesn't take its self too seriously – http://b2l.me/ajhut6 #
- I love my job: A Jellyfish Bad Day. Next time you have a bad day at work think of this guy. Bob is a commercial saturation diver for Global Divers in Louisiana, he performs underwater repairs on offshore drilling rigs. Below is an e-mail he sent to his sister. She then sent it to radio station 103.5 on......
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The Waiting Game
I was hoping to publish some of the articles I had prepared the other day but I decided to publish them to Technorati first. One of the conditions of writing for Technorati is that it must be published on their site first so until they have completed reviewing and editing the articles that I submitted I am unable to publish them here.
Stay tuned they shouldn’t be too much longer!
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Nasty Woman Tricks Innocent Feline
Why would you do this? Can anyone shed any light on this video?
This footage was taken outside the Sacred Heart School in Coventry. So far the women has not been identified but I have a feeling this post is about to take care of that.
- aberdean on break.com
Insane Cat Lady – Watch more Funny Videos
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First Solo Flight
I survived my first solo flight on the weekend. I must have done something right because the plane wasn’t broken, I wasn’t broken and no one else was killed, these were all the things I was hoping to achieve during the flight so in my opinion it could not have gone any better.
The thought of being in control of an aircraft without any assistance from anyone else was very scary but the instructor didn’t give me much time to think about if I wanted to go alone or not, which was a good thing. I think if I had more time to think about it then I would have chickened out.
For those of you who didn’t know, I have been trying to acquire my recreational pilot’s license for a few months now and have been learning in a Tecnam Sierra.
Last Saturday I went out and flew four circuits around the airfield with the instructor which included four takeoffs and landings. On the last one I was asked to stop the aircraft on the side of the runway and asked if I was ready to go alone, engine still running I nervously agreed and as quickly as that the instructor jumped out, gave me the thumbs up and walked away. Making the radio call and taxiing back down the runway my heart was racing and once I was lined up on the centre line, I made another radio call and opened the throttle up, a few seconds later I was airborne, alone, and I was loving every second of it. Landing successfully was the biggest relief as it is obviously the most important part of the whole operation, I don’t think I missed any of the procedure and didn’t stall and crash which is always a good start!
For anyone who has ever thought about but never got around to flying, I would get started. It is seriously the BEST feeling ever.
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If you thought choking hazards in toys were bad then spare a thought for American kids in the early 50′s.
Introducing the Gilbert U-238 Atomic Energy Laboratory. This toy lab set was produced by Alfred Carlton Gilbert between 1950 and 1951 and sold for $49.50US (which is equivalent to about $380 – $400US dollars today). So if you were lucky enough to have well off parents back in the day you may well have been ‘lucky’ enough to get your hands on this radioactive fun set.
There was some incentive to fork out the $50 as the set also came with a book that explained to kids how to prospect for uranium with a $10,000 prize offered by the US Government to anyone who proved successful.
The kit contained a U-239 Geiger counter, electroscope, spinthariscope (a device for observing individual nuclear disintegrations), a Wilson cloud chamber, nuclear spheres, three batteries, a “Learn How Dagwood Split the Atom” comic book. It also contained three low-level radiation sources: Alpha particles (Pb-210 and Po-210), Beta particles (Ru-106), Gamma particles (possibly Zn-65) and four Uranium-bearing ore samples.
Due to its rarity the Atomic Energy Lab is now a highly sought after collector’s item and can fetch a price of up to 100 times it’s modern day equivalent retail price. read more…
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