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Main functions of Redis Sentinel Sentinel's main functions include primary node survival detection, master-slave operation detection, automatic failover, master-slave switching. The minimum configuration of entinel in Redis is one master and one slave. The entinel system of Redis can be used to manage multiple Redis servers. The system can perf ...

JAVA-web Program Tomcat Container Publishing and Conventional Operation 1. Warpackage Publishing 1.1 Place the completed war package directly to% TOMCAT_HOME%/webapps/ 1.2 Modify% TOMCAT_HOME%/conf/server.xml to add nodes to the host node doc ...

I. Overview PuTTY is a Telnet, SSH, rlogin, pure TCP and serial interface connection software. Earlier versions only support Windows platforms, and in recent versions, Unix platforms have been supported and are intended to be ported to Mac OS X. In addition to the official version, many third-party gr ...

The first time I wrote a blog in Yunlu community, I took the process of building Kubernetes high-availability cluster infrastructure to try. Haha.First, the configuration is briefly introduced: proxy uses ipvs, network uses calico, stacked etcd cluster, and apiserver uses haproxy+keepalived for load balancing My github link https://github.com/J ...

This article is transferred from https://blog.csdn.net/jinnianshilongnian/article/details/84703441 Thank you for sharing!   Http Client OpenResty does not provide the Http client by default, so it needs to be provided by a third party; of course, we can do it through ngx.location.capture, but ther ...

Package Installation and Unloading 1. Three ways to install software packages 2. rpm package introduction 3. Use of RPM tools 4. Usage of Yum tools 5. yum Builds Local Warehouse 6. yum Replacement of Domestic Sources 7. Install the extended source epel 8. yum downloads rpm packages 9. yum's new instr ...

File Compression and Packing 1. Introduction to Compression Packaging 2. gzip compression tool 3. bzip2 compression tool 4. xz compression tool 5. Summary of gzip, bzip2, xz commands 6. zip Compression Tool 7. tar packaging 8. Target packaging and compression Look at this post: http://ask.apelear ...

User and Group Management 1. User Profile 2. Password Profile 3. groupadd command Examples of main parameters for groupadd: 4. groupdel command Examples of groupdel main parameters: 5. useradd command Examples of main parameters of useradd: 6. userdel command Examples of main parameters of userdel: 7 ...

1. Description of existing mirror problems 1.1. Download existing images See Existing Docker Mirrors . The command for Pull mirror canhui/open-mpi-base:v0.0.1 is as follows. $ docker pull canhui/open-mpi-base:v0.0.1 1.2. Problem Description There are two problems with existing mirrors. First, after executing th ...

Summary kubeadm has been supported by cluster deployment, and in version 1.13, GA, master and etcd are clustered deployments. It is also the most recommended deployment mode for government officials. kubeadm is promoted by its sig group. kubeadm has many features of kubernetes. Next, we will practice and understand its charm. Bid mark 1. Build ...