Tux Machines
Posted by Roy Schestowitz on May 16, 2023
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I’ve talked about this myself in the past and I wholeheartedly agree with Jatan on this. While perusing the internet I’ve seen links that are formatted in all kinds of ways, even ones that don’t seem to be formatted at all and are, to my eye at least, completely indistinguishable from the rest of the body text.
=> ↺ Colored vs. underlined links
Colored text links on the Internet are popular. The familiar blue touted by a majority of hyperlinks on the Web goes back to 1993. However, as the linked article explores, web links used to be underlined for a decade before they went blue. I think we should go back to having underlined links everywhere for several reasons.
=> ↺ The time our Linux systems spend on integer to text and back conversions
We run the Prometheus host agent on all of our Linux machines. Every fifteen seconds our Prometheus server pulls metrics from all the host agents, which causes the host agent to read a bunch of /proc files (for things like memory and CPU state information) and /sys files (for things like hwmon information). These status files are text, but they contain a lot of numbers, which means that the kernel converted those integers into text for us. The host agent then converts that text back into numbers internally (I believe a mixture of 64-bit integers and 64-bit floats), only to turn around and send them to the Prometheus server as text again (see Exposition Formats, also). On the Prometheus server these text numbers will be turned back into floats. All of this takes CPU cycles, although perhaps not many CPU cycles on modern machines.
=> ↺ Linux Text Processing Command
This tutorial aims to introduce you to the concept of Linux text processing, highlight its benefits, and provide an overview of the commonly used text processing commands. You will also learn about their use cases and how they can help automate tedious tasks, making them more manageable in a matter of seconds.
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