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Thoughts on (practical) privacy

Privacy is difficult in this day and age. On the one hand we want to limit what we provide these data hungry companies with and on the other hand, we don’t want to alienate ourselves from our friends. Personally, Facebook is the company that I’m most reluctant to share data with. I simply don’t trust them. If you read Salim Virani’s post Get your loved ones …

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ZoneMinder as a people counter?

In recent years, it has become fairly common within the retail space to use (IP-based) surveillance cameras to track foot traffic (this can also be referred to as a “people counter”). This is a great idea, as it allows you to re-use existing hardware instead of having to install additional sensors. There are numerous commercial solutions out there that are …

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Thought on the Purism laptop

Today I stumbled across the Purism’s Librem 15 laptop. It’s a crowd sourced laptop that is, as the name implies, pure. No proprietary or firmware or software. I really like this idea, as it improves security by a lot. At first glance, it looks pretty good. However after diving into the details, it falls short on a few points. The keyboard layout. A number …

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A "dead man's switch" for your computer?

In the last few weeks, a lot of details have been disclosed around Ross Ulbricht’s arrest. For those not familiar with the matter, Ulbricht was arrested at a library in San Francisco some time ago with his laptop open. The agents managed to steal the laptop out of Ulbricht’s hands and therefore prevent him from locking the computer (which presumably had …

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Virtualization on Ubuntu 14.04 with virsh and vmbuilder

While I’ve switched most of my workloads to Docker, there are still some situations where you need to manage and set up Virtual Machines (VM). These days, KVM+QEMU has more or less been established as the virtualization standard, so we’ll be using that. Setting this up on Ubuntu 14.04 (Trusty Tahr) is very straight forward. All you need to do is to run: $ …

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How to deal with/archive an old WordPress site

We all have those old blogs that we started some time ago with some grandiose vision. Unfortunately, the blog never really took off. Now it just sits there and generate a small amount of traffic every day. It’s enough to not shut it down, but not enough to invest a whole lot more resources into. Chances are that said blog is running on WordPress. You now …

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