Articles

Understanding The ZFS Native Encryption Corruption Bug

ZFS encryption bug
ZFS is a powerful filesystem with many advanced features and two decades of reliability. However, recently concerns have arisen about the new ZFS native encryption functionality. Let's examine this in more detail to understand what the known risks are and possible workarounds for this bug.

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Practicing Incidental Photography

better composition of the Daibutsu
Much of the advice for composition revolves around certain times of day (e.g. the Golden Hour or Blue Hour) or certain conditions (cloudy vs sunny, the angle of light, etc) in order to take interesting photos. To shoot during these conditions, you often need to devote a lot of time to planning and wait for just the right moment, but what if you don't have that kind of time? Often, your schedule may depend on other people or on other plans you have later which preclude you from sitting with your camera and tripod for hours. Can you still take interesting photos under these constraints, without the "ideal" conditions? The answer is "yes", though it requires practice and a keen sense of composition to find the creative shot. Let's examine some examples of how to practice what I call "incidental photography".

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Cutting Through The Haze With Sigmoid

final improved view of country farm without haze
Shooting far-away subjects often results in haze, characterized by a loss of contrast and a loss of detail. Fortunately, sigmoid is well-suited to recover this contrast and pairs well with the haze removal, local contrast, or diffuse or sharpen modules to reverse the haze. Let's dive in and see how this works.

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