Killercoda offers free environments (based on Ubuntu) with various tools for beginners to try hands-on. It also has the Kubernetes playground which provides control plane server access for 1 hour. In which we can try to practice hands-on with control plane components. Because sometimes we are dependent on training platforms to try the control plane (or kubeadm) practice, and killercoda comes handy as a free... - Source: dev.to / about 1 year ago

Maybe check out the canonical page instead: https://killercoda.com. Source: about 1 year ago

Https://killercoda.com/ has a few scenarios. Source: about 1 year ago

I think killercoda is pretty cool, they don't have a lot of scenarios yet but it does create them like killer.sh does. You can even submit scenarios! Source: over 1 year ago

Killercoda has free labs, I recommend doing those. And there are a few other sites offering paid practice exams or even question dumps, but some of those seem sketchy. I'd personally stick to KodeKloud, killer.sh and Killercoda. Source: over 1 year ago

Here is my product: https://matchkraft.com/. It is a marketing toolkit. I think you need to ask for feedback, asking why users don't want to pay for a premium subscription. So far, you are getting new users that is a good sign you are going to the right direction. Maybe, who is your ideal customer or maybe your product is ok but need more visibility (maybe paying ads). Try to get active users. I really want to... Source: 12 months ago

Calling a 3rd party API: There is a complete ecosystem providing "google-sheets-as-DB". I personally tested and recommend https://sheetson.com/ but there are a lot more with free tiers https://sheetsu.com/ https://sheety.co/. Source: about 2 years ago