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The main purpose of this practice is to unify the entry, no longer expose the port through LoadBalancer and other ways, but use the reverse proxy load balancing function provided by Ingress as our only entry. kubernetes version is 1.16.0 Deploying tomcat Deploy Tomcat but only allow intranet access. ...

Preface ELK is the abbreviation of three kinds of software, which are composed of Elasticsearch, Logstash and Kibana. In the process of development, there are new members, Beats, which form Elastic Stack. So, ELK is the old name, and Elastic Stack is the new name. The entire Elastic Stack technology ...

Any software you just need to remember what it does and how it works. You don't need to memorize commands, but you still need to know the basics Keepalived overview How to solve the single point failure of scheduler? Keepalived is implemented as a highly available cluster Keepalived was originally d ...

1, What is cluster A group of computers interconnected by a high-speed network and managed in a single system model Say a lot of servers come together to provide the same service. In the client, it looks like there is only one server Relatively high benefits in terms of performance, reliability and f ...

Super detailed process of building Haproxy cluster and highly available Haproxy cluster! 1, What is Haproxy? Previous blogs have shown how LVS load balancers work. Today's haproxy is better than LVS. LVS does not support regular expression processing at work, and the implementation of LVS for some l ...

1. Operation of docker common commands docker pull image docker run creates a container based on a certain image -d. background operation --Name specifies the name of the container to create -p map the port of the container to the port of the host docker exec -it enters a container docker rmi de ...

LVS load balancing - DR mode 1: Definition of DR mode Direct routing Referred to as DR mode, the semi open network structure is adopted, which is similar to the structure type of TUN mode, but each node is not scattered in different places, but is located in the same physical network with the ...

linux redhat6 Oracle11g rac +lvm +asm installation process summary experience Installation environment Main operating system: windows 10 Virtual machine VMware 15: Two Red Hat Enterprise linux 6.10 Package: Oracle Database software: Oracle11gR2 Cluster software: Oracle grid infrastructure 11gR2(11.2. ...

1. System variable 1. Common system variables $HOME, $PWD, $SHELL, $USER, etc 2. Case practice (1) View the value of the system variable [zj@hadoop101 datas]$ echo $HOME /home/zj (2) Display all variables in the current Shell: set [zj@hadoop101 datas]$ set BASH=/bin/bash BASH_ALIASES=() BA ...

Installation and use of VIM compiler vim editor installation In CentOS, execute: yum -y install vim Common mode h: Move one character left j: Move down one line k: Move up one line l: One character to the right PageDown (or Ctrl+F): next screen PageUp (or Ctrl+B): flip up one screen ...