Q&A for Ubuntu users and developers

provides instruction guides, how-tos, troubleshooting tips and tricks on linux, database, hardware, security, web and open source for both newbies and geeks – thegeekstuff by ramesh natarajan

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Red Hat is the world’s leading provider of open source solutions, using a community-powered approach to provide reliable and high-performing cloud, virtualization, storage, Linux, and middleware technologies. Red Hat also offers award-winning support, training, and consulting services. Red Hat is an S&P 500 company with more than 80 offices spanning the globe, empowering its customers’ businesses.

Making You a Better Linux User

Stack Overflow | The World’s Largest Online Community for 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.

linuxize is a linux sysadmin and devops blog that publishes articles and tutorials about server operations, new techniques and linux security.

Ubuntu is the modern, open source operating system on Linux for the enterprise server, desktop, cloud, and IoT.