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This article mainly explains "what should be paid attention to in the introduction to kubernetes", interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn what you need to pay attention to in the introduction to kubernetes.

View documents, online courses, and presentations online

Instead of working behind closed doors, check out online documents and video presentations, which are good channels for us to quickly familiarize ourselves with and understand Kubernetes. In fact, we do not need to take a full set of courses in order to use K8s, but for some technical details, professional explanation and experience sharing is undoubtedly very helpful.

Of course, the best way to apply what you have learned is the actual test drill. There are many PaaS platforms or Kubernetes tools that have free resources or free trial periods, on which we can set up and deploy a small cluster, try, configure, and change. Feel free to play!

Figure out why you use Kubernetes.

One of the biggest challenges with Kubernetes is figuring out what we're going to do-- as a test round, as a temporary environment, or for production?

Just for the development environment is not complicated, just need to understand some basic concepts, such as namespace, and understand what is secret, what is configuration, what is deployment, and so on, which will be used throughout our use.

As we go further on Kubernetes, we need to understand something that didn't exist before, such as role-based access control, RBAC, and so on. These features were not available a year ago, but are now becoming more and more important, with many benefits for different roles throughout the process, ensuring that what you are doing does not affect other things that should not be touched.

For example, we can now exercise fine-grained control through RBAC, setting up multiple namespace, each namespace controlling access or creating secret or configuration. In this way, we have a production-level multi-tenant cluster without having to worry about tenants influencing and interfering with each other before.

The Kubenretes versions of service providers are not necessarily the same.

Many people will choose to use the Kubernetes services provided by service providers, but it should be noted that the versions of Kubenrets provided by service providers are often inconsistent. In general, they will be very close, but some functions are implemented slightly differently. Perhaps the basic versions are similar, but the difference lies in the advanced support provided by the service provider when integrating with its own products.

In addition, it should be noted that some service providers do not support us to "do-it-yourself", and we cannot use our plug-ins and components with the products and services provided by service providers.

We should not blindly use new functions.

Since we first learned about Kubernetes, its functions have expanded a lot in the past year. The hasty use of new changes without full understanding is likely to be counterproductive. We spend some time reading and thinking about whether or how to use them. After all, seeing others do so does not mean that it is the best practice of the industry.

Update the version frequently

Kubernets is a production-ready system, but it is not a semi-annual release of new software, new features and functions are increasing dramatically every day. So if we install Kubernets, don't update it for a year, and then consider finding a LTS, it's already too late. Our recommendation is to check the new features and features of Kubernetes once a month to ensure that we are not "out of date".

At this point, I believe you have a deeper understanding of what you need to pay attention to in the introduction to kubernetes. You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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