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一、本地YUM源 1、 备份源文件 2、挂载镜像 开机挂载 3、编辑YUM源仓库文件 新增以下内容 4、清理YUM缓存, 重建YUM仓库 二、配置CentOS YUM源 1、备份源文件 2、下载CentOS Base.repo 到/etc/yum.repos.d/ 3、清理YUM缓存，重建YUM仓库 阅读全文
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In this tutorial, we use the MySQL Connector/J driver. It is the official JDBC driver for MySQL. The examples were created and tested on Ubuntu Linux. 阅读全文
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In this article, we will learn how to develop a Spring MVC web application using Spring boot 2, Thymeleaf, Hibernate 5, JPA, Maven, and MySQL database 阅读全文
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In this tutorial we will be looking at how Spring Security works and its architecture. We will be creating a Spring Boot Project to expose two REST AP 阅读全文
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11 ‘df’ Command Examples in Linux df (disk free) command is used to display disk usage of the file system. By default df command shows the file system 阅读全文
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By default, the MySQL server listens for connections only from localhost, which means it can be accessed only by applications running on the same host 阅读全文
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Introduction It is essential to know which version of MySQL you have installed. Knowing the version number helps to determine if a specific feature is 阅读全文
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初始设置：启用root用户帐户 The root Account in Ubuntu is disabled by default because his password is not set. To use root priviledges, basically it's better to u 阅读全文
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Developing a multi-module application where the backend runs on Spring Boot and the frontend is powered by Angular is far less complicated than one mi 阅读全文
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React is one of the popular JavaScript libraries for building user interfaces. It is maintained by Facebook and a community of individual developers a 阅读全文
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On February 7th, 2020, a new version of Angular is released which is Angular 9. A lot of new features and performance improvements are introduced with 阅读全文