10 open source career lessons from 2021 Whether you're looking for a great open source note-taking app or want inspiration for non-coding roles in tech, Opensource.com's authors covered it all.
5 open source security resources from 2021 This countdown is for the security articles for 2021 you need to read right now.
Implement governance on your Kubernetes cluster Use OPA Gatekeeper to create and enforce policies and governance for your Kubernetes clusters so the resources you apply comply with that policy.
How I play Tetris on the mainframe Here's how I compiled and play my favorite game on a mainframe by accessing a virtual Linux server.
5 open source alternatives to Microsoft Exchange There is no need to settle for a proprietary solution. Try one of these Linux-based email and groupware services.