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OpenStack Stein Basic part 1, Basic configuration Turn off the firewall and selinux (all nodes) systemctl stop firewalld.service systemctl disable firewalld sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config setenforce 0 Secret free login (control node) ssh-keygen ssh-copy-id 192.168.16.82 ssh-copy-id 192.168.16.83 ...

I've heard that Ali department is developing wheels and preparing to integrate Flutter to reduce the threshold of using Flutter. Now Kraken (Beihai) has been officially released. Officials say it has been put into use in many projects, but there are still many pits on github. If you are longing for Flutter but haven't been introduced for variou ...

1, eureka use https://www.cnblogs.com/yxth/p/10845640.html Access address: http://127.0.0.1:8761/   2, Chaos monkey spring boot 1. What is the goal of chaos monkey Inspired by the principles of chaos engineering and the distributed system based on springboot, I want to test and know the best performance of the application, especially the ...

1, Origin 1. Generic from jdk1 5 is added to the Java language. Its main purpose is to solve the problem of ClassCastException. There will always be security risks during the downward transformation of objects. It can compile, run and solve most of the errors 2. The essence of generics is that the parameters and return values of attributes or ...

Introduction background If you want to receive the return value of sub threads in the main thread, or realize the information transfer between sub threads, you may use the future object at this time. Using this object requires the introduction of relevant header files. #include <future> We will use the future object to rec ...

The algorithm from Shang Tang is used for KIE and integrated in mmocr package. It needs to be used together with mmcv. Aside from the topic, mmcv uses hook programming, which is still very difficult to debug. I'll share the framework logic of mmcv when I'm free in the future. model structure The whole structure can be divided into three ...

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aggregate Java collection class is a kind of container, which can hold other data. It is used to store multiple objects with different quantities. It can also be used to store associative arrays (data pairs) with mapping relationships Overall, According to different storage data formats (single column or double column), it can be simply divid ...

Dashboard is a web-based Kubernetes user interface. Official documents; Web Interface (Dashboard) | Kubernetes Dashboard features: Deploy container applications to the Kubernetes cluster.Error-shooting applied to containers.Get an overview of the applications running in the cluster.Create or modify Kubernetes resources such as Deployment, ...

introduce vue-element-admin Is a back-end front-end solution based on vue and element-ui Realization. It uses the latest front-end technology stack, built-in i18 internationalization solutions, dynamic routing, privilege validation, extracts a typical business model, provides rich functional components, which can help you quickly build enterpr ...