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q&a for ubuntu users and developers

linuxquestions.org offers a free linux forum where linux newbies can ask questions and linux experts can offer advice. topics include security, installation, networking and much more.

red hat is the world’s leading provider of enterprise open source solutions, including high-performing linux, cloud, container, and kubernetes technologies.

stack overflow is the largest, most trusted online community for developers to learn, share​ ​their programming ​knowledge, and build their careers.

in-depth, to-the-point tutorials on java, spring, spring boot, security, and rest.

learn to code — for free

webisfree delivers the latest updates on web development, technology, and ai-related news. begin your day with fresh information alongside wesbisfree.

sourceforge provides free & fast open source software downloads and development, and business software reviews and comparisons featuring the largest open source and business software directory.

re:post is an aws-managed community featuring expert curated answers, articles, selections, and aws knowledge center.