My Recommended Kubernetes Resources for Newbies (opens in new tab)

Recently, a friend of mine asked me what resources I'd recommend to start learning about Kubernetes. He was a victim of the layoffs that seem to be so prevalent right now and has experience as a classic SysOps / SysAdmin engineer but no expose to Kubernetes yet and wanted to learn to help improve his job-hunting prospects. I wasn't sure what to recommend at first, it's been a long time since I was learning Kubernetes for the first time and wasn't sure what was still useful and relevant but wh...