A complete guide for Kubernetes for DevOps engineers
In a time of rapid development of Development Operations (DevOps) as a helper and necessary tool to improve the interaction between developer and user, there is a need to develop as many applications to optimize the software lifecycle (One of the most popular applications this goal, and there is an application Kubernetes.
Kubernetes. What is it?
Kubernetes is a modern and completely free open-source platform that aims to manage workloads (necessarily in the form of containers).
Note that when creating software, developers create code, apply it, monitor errors and bugs, update the code and re-apply it. It would be impractical and inefficient to implement this incessantly repetitive process using manual labor. It is in order to prevent routine manual labor that Google has set out to develop Kubernetes.
Differences and structural features of Kubernetes.
The basis of Kubernetes can be taken from the following main stages, namely:
Kubernetes cluster (by cluster we mean a combination of two resources: the coordinator of the cluster and the working machines on which running programs)
Deployment of the application program (this is a kind of self-healing program that ensures the working state of the cluster, even if any defects are detected)
Study of the program (at this stage there is a creation of so-called PODIV, and in other words-containers of the program which work with preservation of network ports, namespaces, and, of course, IP-addresses
Open access to the program outside the cluster (at this stage, a certain sequence of actions, defined by the logical set of Pods, allows you to work outside the cluster)
Software scaling (new Pods are being created at this stage. An important feature of this stage is the distribution of nodes with available resources)
Updated program (this stage allows you to meet the requirements of both developers and users). Users will be highly available, and developers, in turn, -operative and multiple updates to the program.
How to become useful in the world of Kubernetes?
Of course, like every industry, Kubernetes requires engineers to have adapted skills and abilities, as well as to prove their knowledge with the appropriate certificates. It is the certificate that gives the specialist the opportunity to feel comfortable in the field of cloud storage and applications.
Consider the most common Kubernetes courses.
If you are a beginner, then most of all, you need to contact Google Kubernetes to obtain a certificate. This is undoubtedly a base for learning Kubernetes, which will further develop your skills and immerse you in more complex topics.
The next step in the realm of Kubernetes can logically be Docker. This course will provide a solid base of knowledge, closer to the next stage of understanding CLI commands.
The logical continuation and very common course are Kubernetes from Swarm. This course provides comprehensive and comprehensive knowledge. Its feature is the constant updating of information, as well as the ability to communicate online with teachers.
The DevOps course is also interesting, which gives students a broad understanding of the process and concretizes knowledge in Kubernetes.
And let’s focus on the best course on Kubernetes, which allows the student to continue to work as a certified administrator of Kubernetes, and bears the appropriate name. This course is intended for the experienced, although it contains some basic understanding of Docker and Yaml.
Kubernetes consulting services
We recommend a wonderful devops services platform where you can find various Kubernetes consulting services. It is called Outposts and is using a lot of up-to-date methods to ease the process of programs’ design and architecture. They are highly specialized in providing work that is aimed to ease and accelerate the product delivery process.
Let’s summarize.
The main expectation of users from the programs is, of course, continuous availability. For developers, this expectation is the ability to update programs several times a day. And it is containerization, which is a unique feature of Kubernetes, that perfectly serves this purpose. Thanks to containerization, it is possible to create and update applications easily, quickly, and 24/7. Note that Kubernetes is a modern open-source application. The basis of Kubernetes is a unique accumulated experience of orchestration of containers, which, together with progressive proposals and practical implementations, gives excellent results. All this has led to the popularity of this application and raised the implementation of Development Operations to a new level of quality.