Make swap better with zram on Linux
Make swap better with zram on Linux David Both Mon, 11/14/2022 – 03:00 Zram is a compressed RAM disk on Linux. Lately, it’s been put to use for swap space on many distributions. In my previous article, I introduced zram and demonstrated how to use it. In this article, I cover some of the ways you can customize how your system puts zram to use. Augmented swap Zram swap can be augmented with standard secondary storage...
Use a hashmap in Java
Use a hashmap in Java Seth Kenlon Sun, 11/13/2022 – 03:00 In the Java programming language, a hashmap is a list of associated values. Java uses hashmaps to store data. If you keep a lot of structured data, it’s useful to know the various retrieval methods available. More on Java What is enterprise Java programming? An open source alternative to Oracle JDK Java cheat sheet Red Hat build of OpenJDK Free online course:...
Learn Python: 7 of my favorite resources
Learn Python: 7 of my favorite resources Don Watkins Sat, 11/12/2022 – 03:00 I made a decision recently that I wanted to learn more Python so I could improve my instructional skills and broaden the horizons of my students. In the process, I have discovered these excellent resources that have me learning new code and improving my understanding of Python in general. 1. Teach your kids to code I began the Python journey about seven...
How to switch from Twitter to Mastodon
How to switch from Twitter to Mastodon Jessica Cherry Fri, 11/11/2022 – 03:00 Like many people, I find social media somewhat exciting and also…a bit much. Sometimes you get deep-fried in algorithms, tracking data, and ads catered especially for you. You lack administrative control over what you want to see, especially on the old platforms many of us are used to. As usual, you must look to open source to fix the problem....
Drop swap for zram on Linux
Drop swap for zram on Linux David Both Fri, 11/11/2022 – 03:00 I spend a lot of time playing (I mean working) on my computers, and I’ve found a lot of interesting things. One that has most recently come to my attention is the zram0 device. I first noticed it when working on one of my Opensource.com articles several months ago. It showed up in the output from the lsblk command: # lsblk NAME MAJ:MIN RM SIZE RO...
4 key differences between Twitter and Mastodon
4 key differences between Twitter and Mastodon Don Watkins Thu, 11/10/2022 – 03:00 Social media is not always sociable, and sometimes we need a sufficient impetus to change what we do and what we read. I began using Twitter as a replacement for my RSS reader in 2008, which revolutionized how I read and learned up to that point. Tweets from educators and free and open source (FOSS) advocates worldwide kept me informed and engaged...
