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

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

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

linux configuration tutorials

a blog for system administrators and software engineers, howto guides, tutorials, it news, tips, and tricks

making you a better linux user

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