How to smoothly and elegantly upgrade cert manager in Rancher 2.x?

Author: Nassos Michas European Dynamics SA, CTO If you are using Helm Chart provided by Rancher to install cert manager in the Kubernetes cluster managed by Rancher, you may have received a reminder from Let's Encrypt recently: Check the log of cert manager in the cluster, and you can see that Let's Encrypt refused to update the certificate ...

Posted by mewhocorrupts on Fri, 06 Dec 2019 21:59:40 -0800

zookeeper dynamically manages nginx configuration

Suppose we have a scenario in which all servers share the same configuration file, we can't maintain each server manually. At this time, we can use the configuration management function of zookeeper. Environment: python + nginx + zookeeper Objective: when the configuration file in zookeeper changes, nginx automatically pulls the latest config ...

Posted by tacojohn on Fri, 06 Dec 2019 18:35:38 -0800

13 strategies of Nginx - (VeryNginx)

What is VeryNginx VeryNginx is developed based on Lua ﹣ Nginx ﹣ module (openretry), which implements advanced firewall, access statistics and other functions. The integration runs in Nginx, extends the function of Nginx itself, and provides a friendly Web interface. How to install VeryNginx Nginx compilation environment yum -y install gcc gcc ...

Posted by FrankA on Fri, 06 Dec 2019 03:42:27 -0800

LNMP architecture introduction, MySQL and PHP installation, Nginx introduction

LNMP architecture introduction Unlike LAMP, Nginx provides web Services And php exists as an independent service, which is called php FPM Nginx processes static requests directly, and dynamic requests are forwarded to PHP FPM MySQL reinstallation MySQL is installed by compiling free binary installation package. You need to delete the corre ...

Posted by Jason28 on Thu, 05 Dec 2019 20:56:00 -0800

LVS + preserved + nginx for high availability

1. purpose lvs is a four-tier load balancing. keepalived provides lvs with highly available services and checks the health status of the backend nginx. Nginx is mainly used for seven tier load balancing 2. topological graph Server IP address description Director master 192.168.3.105 LVS kept alive Director standby node 192.168.3.104 LVS ke ...

Posted by natalieG on Thu, 05 Dec 2019 17:41:03 -0800

Keep alive + nginx + Apache + Mysql to realize highly available and load balanced websites (Part 2)

I. environment introduction host name ip Installation software nginx_mysql_m 192.168.255.67 keepalived+nginx nginx_mysql_s 192.168.255.66 keepalived+nginx mysql1 192.168.255.52 mysql,mysql-server mysql2 192.168.255.57 mysql,mysql-server II. keepalived configurationThe configuration of keepalived is similar to that in the previous ...

Posted by theblacksheep on Thu, 05 Dec 2019 03:15:02 -0800

Build docker swarm cluster to realize load balancing

About Swarm: Swarm is a cluster management tool officially provided by Docker. Its main function is to abstract several Docker hosts as a whole, and manage all kinds of Docker resources on these Docker hosts through a single portal. Swarm and kubernetes are similar, but lighter, and have fewer functions than kubernetes Experime ...

Posted by majiclab on Thu, 05 Dec 2019 00:13:00 -0800

Analysis of configuration file of Kodex Explorer open source private cloud program

config/setting_user.php append content (all of the following, be careful not to use Chinese quotation marks, double quotation marks and semicolons) //[specify multiple languages and keep Chinese only] $GLOBALS['config']['settings']['language'] = 'zh-CN'; //[automatically create a new directory when creating a user-defined group] $GLOBALS['conf ...

Posted by paulareno on Wed, 04 Dec 2019 20:42:40 -0800

k8s using Kube router to build highly available and extensible ingress

brief introduction Use Kube router to realize the function of inress of k8s cluster, which is highly available and easy to expand Environmental description This experiment is based on the k8s cluster which has been installed and configured. For k8s installation, please refer to other blog articles. lab4, as a router, forwards lab5's request Exp ...

Posted by eirikol on Tue, 03 Dec 2019 05:27:35 -0800

Centos 7.6 configuring nginx reverse proxy load balancing cluster

I. Introduction to the experiment Three centos7 virtual machines are used to build a simple nginx reverse proxy load cluster, Address and function introduction of three virtual machines 192.168.2.76 nginx load balancer 192.168.2.82 web01 server 192.168.2.78 web 02 server 2. Install nginx software (the following three virtual machines should be ...

Posted by dr_overload on Mon, 02 Dec 2019 10:34:12 -0800