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summary kubectl is the command-line tool of Kubernetes cluster. kubectl can manage the cluster itself and install and deploy container applications on the cluster Command format The command format is as follows kubectl [command] [type] [name] [flags] parameter command: Specifies the operations to be performed on the resource, such as cre ...

This article is learning Chapter 10 of Spring hand column Notes, mainly record some of my debug debugging process, which is convenient for later review. For specific study, you can go to this column and highly recommend it. target There is an Event function in Spring, which can provide Event definition, publishing and listening to events to ...

Problem background The previous article introduced the quick installation and deployment of docker. This chapter introduces the use of quick docker instructions matters needing attention: Centos7 is installed by defaultJDK is installed by defaultroot permission is enabled by default Docker instruction usage 1 view image docker images ...

preface C + + introduces the idea of object-oriented. Compared with C language, a class can better manage and operate some data structures. In C language, we use fixed length array and dynamic array from malloc to maintain a continuous set of data of the same type In C + +, based on the idea of object-oriented, the class used to manage spati ...

What is Deployment Deployment provides a declarative method for Pod and ReplicaSet to replace the previous replication controller to facilitate the management of applications. Typical application scenarios include: Define Deployment to create Pod and ReplicaSetRolling upgrade and rollback applicationExpansion and shrinkagePause and resume Dep ...

Operation and maintenance - Practice (III) - Construction of basic Prometheus monitoring environment In the previous article "building a basic Docker development environment", we have built a basic Docker environment for Linux servers, and we have made a custom network mode configuration. We can configure the specified IP for ...

preface This lecture is from Docker series explanation courses , a separate section, Previous chapters It is mainly theory + practice. Since this chapter, it has entered the advanced application of Docker. Before browsing this article, it is recommended to understand Use of Dockerfile core commands，Optimization of Dockerfile After ...

docker official website: https://docs.docker.com/samples/wordpress/ Introduction to WordPress You can use Docker Compose to easily run WordPress in an isolated environment built with Docker containers. This quick start guide demonstrates how to use composition to set up and run WordPress. Before you begin, make sure you have installed aut ...

1, Building images using Dockerfile Dockerfile is a script composed of a series of commands and parameters. These commands are applied to the basic image and finally create a new image. For developers: it can provide a completely consistent development environment for the development team;For testers: you can directly take the image built ...

ArrayList inherits the following architecture: public class ArrayList<E> extends AbstractList<E> implements List<E>, RandomAccess, Cloneable, java.io.Serializable It mainly inherits the AbstractList class and implements the List interface, and implements the Cloneable and Serializable interfaces, so that ArrayList h ...