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Catalog Preparation Basic steps Common abnormality Preparation About shiro Three core components: Subject, SecurityManager and Realms Subject: security operation of current user or current user SecurityManage: Security Manager, which manages security operations for all users. Realms: the inte ...

redis Download and compile wget http://download.redis.io/releases/redis-4.0.2.tar.gz tar xzf redis-4.0.2.tar.gz cd redis-4.0.2 make Startup service Start redis in the background cd redis-4.0.2/ src/redis-server & Query redis process ps -ef | grep redis You can see that redis has been started. root 19141 19065 0 12:50 pts/1 00:00:03 ...

More wonderful articles, pay attention to the public account [tobetopjava Er], more tens of thousands of excellent vip resources for free waiting for you to take!!! Next, we will analyze the basic type of Hash. I'm sure you are familiar with Hash. Next, we will go deep into the source code to analyze the implementation of Hash in Redis. First ...

JWT Token Use JWT Token to store user identity, and then get other information from database or cache. In this way, it doesn't matter which server the request is assigned to. Tomcat + Redis Configure in tomcat's configuration file: <Valve className="com.orangefunction.tomcat.redissessions.RedisSessionHandlerValve" /> <Manager classNam ...

1. Common current limiting algorithms 1.1 counter algorithm Count the number of requests allowed to pass over a period of time. For example, qps is 100, that is, the number of requests allowed to pass in 1s is 100. Add 1 to each request counter. If the request is rejected more than 100, the counter will clear after 1s, and the counter will be c ...

Compared with spring, one of the most important characteristics of spring boot is automatic configuration, which makes the Convention larger than the configuration idea successfully implemented. XXX spring boot starter a series of bootstrappers can be used out of the box, or only need a few configurations (for beginners) because the default aut ...

Article directory Integrated Redis Introducing dependency Configure RedisTemplate Subscription listening class Subscriber Publisher Add listening topic Publish and subscribe test Redis has its own message queue with publish subscription mode. You only need to integrate redis in spring boot and ...

This article was first published on the public account [my little bowl soup] to scan the QR code at the end of the article for attention, exchange and study together In cloud platform development and middleware containerization, there is often a need to delete k8s resource objects in batches. Here are some examples of kubectl and golang sending ...

kubernetes version: 1.13.2 background Because of the redis cluster created by the operator, the redis cluster is deleted abnormally (including the redis exporter statefullset and redis statefullset) after the kubernetes APIs server is restarted. After deletion, the operator rebuilds and reorganizes the cluster, and the instance IP changes (mi ...

Server configuration Password free login, configure public key connection Copy the local public key to the server $ ssh-copy-id -i ~/.ssh/id_rsa.pub root@192.168.100.80 Replace aliyum source Replace Centos-7.repo wget http://mirrors.aliyun.com/repo/Centos-7.repo # backups mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo ...