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Background Rancher HA is deployed in a variety of ways: Helm HA installation deploys Rancher in the existing Kubernetes cluster. Rancher will use the cluster etcd to store data and use Kubernetes scheduling to achieve high availability. RKE HA installation, using RKE tools to install a separate Kubernetes cluster, dedicated to Rancher HA depl ...

New features of Kubernetes 1.13 Using kubeadm (GA) to simplify Kubernetes cluster management Most engineers with Kubernetes should be able to use kubeadm. It is an important tool for managing the life cycle of a cluster, from creation to configuration to upgrade; now kubeadm has officially become GA. Kubeadm handles the guidan ...

The common base libraries for crawlers in python3 are urllib and requests This article mainly describes the relevant content of urllib urllib consists of four modules: requests - Simulate sending requests error - exception handling module parse - Tool Module on URL Processing Robot Parser - Determine crawlable content on a site by identify ...

The following methods and codes are for learning purposes only, not for other purposes.The example uses several libraries, including jsoup, HttpClient, net.sf.json, which you can download on your own. 1. Analyse if you can get TOP500 song lists First, open the cool dog homepage to see the cool dog TOP500, say 500, how can ther ...

The novel API version 1.0 is finished, and then it is deployed to the server, using nginx, pm2, nvm, git, OpenSSL. Server configuration: CentOS 7.4 64 bit 1 core 2 GB 1 Mbpsnode version: 8.9.0nvm version: 0.33.11npm version: 5.5.1nginx version: 1.12.2git version: 2.9.5 The first step is to add the pm2 configuration file Create a pm2.json file i ...

1. Background knowledge What are 1.1, http, and https? Simply put, http is a protocol for transferring web content, such as the website you see at the beginning of http http://www.163.com , the text, pictures, CSS, JS and other files on its web page are transferred to our browser through the http protocol, and then we can see them. And HTTPS ...

This paper is based on entos 7 installation configuration Nginx operation practice record collation. Configuration of EPEL Sources sudo yum install -y epel-release sudo yum -y update II. Installation of Nginx sudo yum install -y nginx After successful installation, the default website directory is: / usr/share/nginx/html The default configurat ...

Introduction to HAProxy HAProxy provides high availability, load balancing and application proxy based on TCP and HTTP, which is suitable for handling seven-tier data requests of high-load sites. Similar proxy services can shield internal real servers from attacks. HAProxy features and advantages: 1. Supporting primary SSL while supporting ...

Django is python's web framework, which can be used to build websites or as a backstage for web applications. Usually Django is started from the command line. Using DJango in ios needs to start from the program through code. In addition, DJango needs a certain time to start. After starting, it needs to notify the interface thread. 1. Install D ...

order This paper mainly studies Actor-netty's AccesssLog. Open access log For spring boot applications using tomcat, you can turn on server.tomcat.accesslog.enabled=true For spring boot applications using jetty, you can turn on server.jetty.accesslog.enabled=true For spring boot applications using undertow, you can turn on server.undertow.acce ...