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Securely Erase your Mobile Phone Data

Here's a common problem: You want to sell your mobile phone, but also want to make sure that you don't accidentally sell your personal data with it. Of course, if you are lucky »

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Disabling the Guest Session in Ubuntu

In this short tutorial, I'll show you how to hide the Guest Session from the LightDM login screen on Ubuntu. This is something that I do every time I install a fresh copy »

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Creating a Self-Signed SSL Certificate on Ubuntu

SSL certificates are very cheap these days. If fact, certain Certificate Authorities will issue you a SSL certificate for free. You just have to fill out the application form. There are, however, certain »