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1. Host monitoring (1). Deploy node_exporter root@docker-3 src]# tar xf node_exporter-0.18.1.linux-amd64.tar.gz [root@docker-3 src]# mv node_exporter-0.18.1.linux-amd64 /usr/local/node_exporter-0.18.1 [root@docker-3 src]# ln -s /usr/local/node_exporter-0.18.1/ /usr/local/node_exporter //Modify node_exporter profile [root@jumpserver ~]# cat / ...

preface Congratulations to all the friends who read this article for successfully unlocking the quick start content of RabbitMQ series 🎁 Through this article, you will quickly learn what middleware is? What is rabbit MQ? How does RabbitMQ work? Finally, Xiaoming will take you through an example to deepen your impression of RabbitMQ ...

Python notes Object oriented Foundation I object-oriented Object oriented Encyclopedia II Classes and objects 1. Classes and objects Encyclopedia of classes and objects class Encyclopedia like Class is a general term for a series of things with the same characteristics and behavior. It is an abstract con ...

1, Introduction to spring MVC **Learn the pre knowledge of spring MVC: * * basic knowledge of Java Web, java,Srping, HTML,CSS,JavaScript and database 1. What is MVC MVC is an idea of software architecture, which divides software according to model, view and controller M: Model, the model layer, refers to the JavaBean in the project, whi ...

background The new project, the framework springboot + mybatis + mybatis plus, wants to add a CommonMapper and the corresponding mapper xml file to store general sql or sql across multiple tables. As a result, an error is reported when starting the test, as shown below: org.apache.ibatis.binding.BindingException: Invalid bound statement (not ...

1, python open file: built in function open File operation: open (parameter 1, parameter 2, parameter 3) -- other parameters are generally not used. See the notes for details Parameter 1: specify file Parameter 2: open model r: Read a: Append write. If it does not exist, it will be automatically created w: Overwrite write. If it does not exist ...

Asynchronous orchestration Introduction to completable future Future is a class added in Java 5 to describe the results of an asynchronous calculation. You can use the isDone method to check whether the calculation is completed, or use get to block the calling thread until the calculation is completed and the result is returned. You can a ...

preface: At the Winter Olympics, Gu ailing "soared to the sky", Su Yiming "A blockbuster", the dream team of short track speed skating "forge ahead"... The athletes' spirit of challenging the limit and climbing the peak has aroused the enthusiasm of countless audiences! These athletes who ignite the Winter Olympi ...

catalogue 1, Change element content         1.1 difference between innerText and innerHTML         2, Attribute operation of common elements         2.1 case exercise - modifying element attributes src         2.2 case exercises show different pictures and greetings at different times          3, Attribute operation of form element       ...

Django uses object relational mapper (ORM) ¹ To access the data stored in the database In essence, the data stored in the database table is encapsulated by the Django model. A model is a python object that describes database table data. Django provides some methods that allow you to manipulate data through corresponding Python model objec ...