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