Category Archives: Tutorials

What is the point of learning a lot but never sharing that newfound knowledge with others in order to spread awareness around? Knowledge is for all and so if I come across some technique or instructions that I wish to safeguard for the future, where better to leave it lying around than on the World Wide Web for all to access?

BlackBerry QR Code Reader

Posted on April 27, 2011 by Craig Lotter

QR Codes are useful ways to visually encode data like URLs or Contact Details or just about any string you want to in a nice black and white square diagram. To read them, you basically just need to take a picture of them and then let a QR Code Reader handle the rest. So what is the easiest way to read QR codes on your BlackBerry? Continue reading →

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How to Release and Renew Your IP Address via Ubuntu Terminal

Posted on April 25, 2011 by Craig Lotter

ifconfig is the go to command when you want to view anything related to your Internet or network connections on your Linux box… This will shut down the eth0 interface and subsequently releases the IP in the process. To now renew your IP, run: Continue reading →

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Online QR Code Decoder

Posted on April 22, 2011 by Craig Lotter
qr-code

QR codes are slowly, slowly gaining more traction, despite the fact that they are pretty much only useful little beasts when it comes to directing smartphone users to some or other web content URL. Generating them is pretty easy, hell, even Google Chart has an api for them, and to decode them you simply need a phone with a camera and a decoder app installed. But what if you don’t have a phone for testing and simply want to check that your generated QR code is correct?
Continue reading →

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Online QR Code Encoder (Generator)

Posted on April 20, 2011 by Craig Lotter
qr-code

QR codes are slowly, slowly gaining more traction, despite the fact that they are pretty much only useful little beasts when it comes to directing smartphone users to some or other web content URL. Generating them is pretty easy, hell, even Google Chart has an api for them, and to decode them you simply need a phone with a camera and a decoder app installed. But if you aren’t particularly computer illiterate, what is the best way to generate a QR code of your own? Continue reading →

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Windows: ‘ipconfig’ is not Recognised as an Internal or External Command

Posted on April 6, 2011 by Craig Lotter

If on opening a command line prompt and trying to run something like ipconfig or ping, you receive an error message reading something like ‘ipconfig’ is not recognised as an internal or external command, chances are pretty good that you somehow messed up your PATH system environment variable. Continue reading →

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