Loraine Lawson

Author Archives: Loraine Lawson

What David Flanagan Learned Fixing Kubernetes Clusters

People are mean. That’s one of the first things David Flanagan learned by fixing 50+ deliberately broken Kubernetes clusters on his YouTube series, “Klustered.” In one case, the submitter substituted a ‘c’ character with a unicode doppleganger — it looked identical to a c on the terminal output — thus causing an error that led to Flanagan doubting himself and his ability to fix clusters. “I really hate that guy,” Flanagan confided at the Civo Navigate conference last week in Tampa. “That was a long episode, nearly two hours we spent trying to fix this. And what I love about that clip — because I promise you, I’m quite smart and I’m quite good with Kubernetes — but it had me doubting things that I know are not the fault. The fact that I thought a six digit number is going to cause any sort of overflow on a 64 bit system — of course not. But debugging is hard.” After that show, Klustered adopted a policy of no Unicode breaks. “You only learn when things go wrong,” Flanagan said. “This is why I really love doing Klustered. If you just have a cluster that just works, Continue reading