Theres a saying:
Use it or loose it
The key to learning is getting your hands dirty with updated concepts. And trying to build some Fun Projects along the way. And if you find some solution that already serves the purpose look into the inner working of the project. You donβt have to reinvent the Wheel.
For DevOps and MLOps playing with the tools is a must. I found roadmap.sh to be very effective. I start with the roadmap. Quickly familiarize myself with the terminology and core parts. And then build on top of it.