I offer a beginner-oriented walkthrough of Go’s concurrency basics, built around a small demo program with a worker function that sleeps and reports. I introduce goroutines, then channels for passing values between the worker and the main program, explain why plain channel reads block, and show how a select statement with a default case enables non-blocking checks, finishing with closing the channel to release resources. The sample code is available on GitHub...
I ask ChatGPT for a Go date-formatting example and assume its answer of Format(“02012006”) is a hallucination, until discovering it was actually correct: Go bases its date format strings on the reference time 1/2 3:04:05 2006, with each number mapping to month, day, hour, minute, second, and year...
A small Go utility exposes a lightweight JSON endpoint on each node or VM indicating whether RAM and disk usage are okay. Uptime Kuma watches the endpoint with its HTTP keyword check and sends an ntfy push notification when a machine gets into trouble. I include brief impressions of writing in Go and link to the GitHub repo...
