Fix scanned images with ImageMagick
Fix scanned images with ImageMagick Seth Kenlon Sat, 11/05/2022 – 03:00 Years ago while rummaging through the contents of a shelf in a used bookstore, I happened upon a booklet titled “UNIX System Command Summary for Berkeley 4.2 & 4.3 BSD,” published by Specialized Systems Consultants. I bought it as a curiosity item because it was nearly 20 years old yet still largely applicable to modern Linux and BSD. That...
How to iterate over tables in Lua
How to iterate over tables in Lua Seth Kenlon Fri, 11/04/2022 – 03:00 In the Lua programming language, an array is called a table. A table is used in Lua to store data. If you’re storing a lot of data in a structured way, it’s useful to know your options for retrieving that data when you need it. Programming and development Red Hat Developers Blog Programming cheat sheets Try for free: Red Hat Learning Subscription...
Is Lua worth learning?
Is Lua worth learning? Seth Kenlon Thu, 11/03/2022 – 03:00 Lua is a scripting language used for procedural programming, functional programming, and even object-oriented programming. It uses a C-like syntax, but is dynamically typed, features automatic memory management and garbage collection, and runs by interpreting bytecode with a register-based virtual machine. This makes it a great language for beginners, but also a powerful...
How open source weaves connections between countries
How open source weaves connections between countries Phil Shapiro Thu, 11/03/2022 – 03:00 Long ago, when I was a tech administrator for Arlington Public Schools, I received an unexpected email saying, “Our school in India loves your children’s stories, so we’ve printed them all out in braille.” Apparently, the school had found my collection of children’s stories on the web. I spent a moment...
Achieve smart home interoperability with open source technology
Achieve smart home interoperability with open source technology Florian Robert Wed, 11/02/2022 – 03:00 Advertisers sell the myth of the “Smart Home” as a magical world where you automate everything with ease to simplify your life and free your mind of trivial tasks. It looks great on paper and TV, but so far, it’s mainly been a battle of technologies and manufacturers. Suppose you want to add a presence sensor...
Get started with Parseable, an open source log storage and observability platform
Get started with Parseable, an open source log storage and observability platform Nitish Tiwari Tue, 11/01/2022 – 03:00 Log data is one of the fastest-growing segments across data storage. It’s also one of the most complicated spaces. There are several products and solutions with overlapping use cases and confusing marketing. This article looks at Parseable, a log storage and observability platform. Parseable is geared...
