Understanding Used Space, Free Space, Snapshots, and Compression on ZFS Datasets
Understanding how much space a ZFS dataset is using is not as straightforward as it first seems, but let's dive in and decipher how to calculate used space on ZFS.
Articles
Understanding Disk Caches, The Journal, Barriers, and Writeback Using QEMU/KVM and EXT4
There are multiple layers of caching involved when writing a file before it makes it to permanent storage on your disk. This becomes even more complicated with a virtual machine which has its own set of caches. Let's explore how exactly writes make it safely to your disk, both on a physical server and a VM.
Effortlessly Make Targeted Color Adjustments With Color Equalizer
The new color equalizer module in darktable 4.8 brings an easy, scene-referred approach to targeted color adjustments using familiar hue, saturation, and lightness/brightness tabs.
Create Focus In A Busy Scene With Selective Color
Sometimes a composition is quite busy and it's hard to isolate focus on the main subject. Using selective color to make the subject stand out can not only quiet down the image but also add add an element of contrast to the scene. Let's look at several examples.
One Deep River
Filled with trains and deeply introspective, Mark Knopfler's new album, One Deep River, delivers another collection of songs in his wonderful, distinctive style. While there aren't as many stand-out tracks for me as Down The Road Whenever, the following highlights flow perfectly with his existing catalog.