"how to start with devops"
First of all, I would like to emphasize that DevOps is a culture and not a role. In my opinion one could compare it with a team of commandos that have their own expertise, e.g. sniper, marine, sapper (think about the commandos series). The combination of these expertises, basically working together, makes it possible to accomplish missions or creating business value as soon as possible.
LowOps and NoOps