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How to use nginx as a load balancer for mysql

Note: The nginx version requirement is 1.9 or above. When compiling nginx, you need to add --with-stream, such as: ./configure--prefix=/data/apps/nginx--with-http_stub_status_module--with-http_ssl_module--with- http_realip_module--with-http_image_filter_module--with-stream Note 1. Because mysql uses port 3306 by default, when configuring nginxtcp reverse proxy mysql

May 18, 2023 pm 10:37 PM

MySQLnginx

How nginx automatically generates configuration files in docker containers

The final command to implement the idea is probably like this: dockerrun-d-p80:80-exxx=xx Image name Script path in the image The script here will replace the cmd command in the dockerfile, so we need to build a shell that automatically generates and starts nginx script. #!/bin/bash#Get the beginning of lt from the environment variable, in order to distinguish it from other environment variables, for example, lt_analysis=172.17.0.1:8083result=""forain$(env|grep^lt)doold_ifs="$ifs"ifs =&qu

May 18, 2023 pm 10:37 PM

Dockernginx

What are the common functions of Nginx?

Commonly used functions of nginx 1. http proxy, reverse proxy: As one of the most commonly used functions of web servers, especially reverse proxy. Here I will give you two pictures to explain the positive agent and the reactive agent. You can read the information for the specific details. When nginx is used as a reverse proxy, it provides stable performance and can provide forwarding functions with flexible configuration. nginx can adopt different forwarding strategies based on different regular matching, such as going to the file server at the end of the image file, and going to the web server for dynamic pages. As long as you have no problem writing regular rules and have corresponding server solutions, you can do whatever you want. of play. And nginx performs error page jump, exception judgment, etc. on the returned results. If the distributed server stores

May 18, 2023 pm 10:31 PM

nginx

How to troubleshoot the problem of global reverse proxy already existing in Nginx file

Project scenario: The Pagoda Linux panel built by Alibaba Cloud has already been built on other websites. I now add a reverse proxy port to a new website. However, when adding the reverse proxy through the Pagoda panel, the following pseudo-image appears. Static error. Problem Description Pseudo-static/nxinx main configuration/vhost/ file already exists a global reverse proxy. This problem actually tells us that a website in the nginx configuration file can only contain one location/, otherwise an error will be reported. Cause analysis: The problem is very clear, that is, there is a problem with the relevant configuration of nginx.conf. The first step is to check the relevant configuration files of the website. Click the website directly to enter the details to view the configuration files. se

May 18, 2023 pm 09:13 PM

nginx

What is the method to compile and install Nginx from source code?

Nginx is a lightweight web server/reverse proxy server and email proxy server released under a BSD-like license. Developed by Russian programmer lgorSysoev, it is used by Rambler, a large Russian portal and search engine. Its characteristics are that it occupies less memory and has strong concurrency capabilities. In fact, nginx's concurrency capabilities do perform better among web servers of the same type. Detailed description of nginx source code compilation parameters--prefix=points to the installation directory--sbin-path points to (execution) program file (nginx)--conf-path=points to the configuration file (nginx.conf)--error-log-

May 18, 2023 pm 07:58 PM

nginx

How to compile NGINX and support PHP

Prerequisites Before starting the installation, make sure that the gcc, make, and zlib-devel packages are installed on your system. These packages can be installed with the following command: $sudoyuminstallgccmakezlib-devel Download and Unzip First, you need to download the NGINX source code. You can download the latest version from the official website. $wgethttps://nginx.org/download/nginx-1.19.2.tar.gz Decompress the downloaded file: $tar-zxvfnginx-1.19.2.tar.gz Enter the decompression directory: $cdnginx-1.19.2 compile and install To compile

May 18, 2023 pm 07:50 PM

PHPnginx

How to use Nginx open source visual configuration tool NginxConfig

Introduction to NginxConfig NginxConfig is known as the only Nginx configuration tool you need. It can use a visual interface to generate Nginx configuration. It is very powerful and has 15K+ stars on Github! Below is a rendering of the use of NginxConfig, you can take a look! Installation Next, we will introduce the installation of NginxConfig. It is relatively convenient to install it on Linux. Install Node.js Since NginxConfig is a front-end project based on Vue, we must first install Node.js. First download the Node.js installation package download address from the official website: https://nodejs

May 18, 2023 pm 07:29 PM

nginxNginxConfig

How Nginx uses ngx_http_upstream_module to implement load balancing function

Load balancing introduces what is load balancing Load balancing (LoadBalance) means balancing and allocating loads (work tasks, access requests) to multiple operating units (servers, components) for execution. Why is load balancing needed? When a single web server faces users directly, it may carry a large number of concurrent requests. A single server may be difficult to load. We need to use multiple web servers to form a cluster and use the Nginx load balancing function to distribute requests to Different back-end servers realize load traffic distribution, improve overall performance, and system disaster recovery capabilities. What is the difference between load balancing and proxy? A proxy is a proxy that schedules a server based on URI and schedules it to load balancing application nodes with different functions.

May 18, 2023 pm 07:01 PM

nginx

How to use Nginx as a cache server and delete its cache files

The requirement for using nginx as a cache server is to cache android software packages, and the suffix is apk. Without further ado, let’s go directly to the configuration, for reference: a-->nginx.confuserwwwwww;worker_processes8;error_log/data/logs/nginx_error.logcrit;pid/usr/local/nginx/nginx.pid;worker_rlimit_nofile204800;events{useepoll; worker_connections204800;}http{inc

May 18, 2023 pm 06:49 PM

nginx

How to install nginx in a custom directory in centos8

1. Install tools and libraries #pcre is a perl library, including a perl-compatible regular expression library. nginx's http module uses pcre to parse regular expressions #The zlib library provides many compression and decompression methods. nginx uses zlib to perform gzipyum-yinstallgcc-c++pcrepcre-develzlibzlib-developensslopenssl-devel2. Directory structure Source code directory: /home/werben/pkgsrc/nginx Installation directory: /home/werben/application/nginx

May 18, 2023 pm 06:16 PM

CentOSnginx

How to implement load balancing polling configuration in nginx

1. Overview of the allocation algorithm currently supported by Nginx upstream: 1. Round-robin polling 1:1 takes turns to process requests (default). Each request is allocated to a different application server one by one in chronological order. If the application server goes down, it will be automatically eliminated. , and the rest continue to poll. 2. Weight weight (weighted polling) configures the weight and specifies the polling probability. The weight is proportional to the access ratio and is used when the application server performance is uneven. 3. The ip_hash hash algorithm assigns each request according to the hash result of the accessed IP, so that each visitor has fixed access to an application server, which can solve the problem of session sharing. If the application server fails, it needs to be shut down manually. Parameters include

May 18, 2023 pm 05:58 PM

nginx

How to install Nginx under Centos

nginx ("enginex") is a lightweight http and reverse proxy server. Compared with apache, lighttpd, etc., it has the advantages of less memory, strong concurrency, and high stability. Its most common use is to provide reverse proxy services. Under Linux, we need to download the nginx source code package and compile it manually instead of using package management tools such as yum and aptitude to install it. Because we need to configure nginx during compilation, we have to compile it manually, which also relies on some tools and library files. First, you need to install a C language compilation environment, because nginx is written in C language. Usually most linu

May 18, 2023 pm 05:13 PM

CentOSnginx

How Nginx and Tomcat achieve dynamic and static separation and load balancing

one. Introduction to nginx: nginx is a high-performance http and reverse proxy server with high stability and supports hot deployment and easy module expansion. When encountering a peak of access, or someone maliciously initiates a slow connection, it is also likely to cause the server's physical memory to be exhausted and frequently exchanged, resulting in loss of response. The server can only be restarted. nginx adopts a phased resource allocation technology to process static files and Cache-free reverse proxy acceleration achieves load balancing and fault tolerance, and can withstand high concurrency processing in such high-concurrency access situations. two. nginx installation and configuration Step 1: Download the nginx installation package Step 2: Install nginx#tarzxvfnginx-1.7.8 on Linux.

May 18, 2023 pm 05:10 PM

nginxtomcat

How to output php error log file in nginx

To configure Nginx to output PHP error log files, we need to add some configuration items to the Nginx configuration file. On CentOS systems, the Nginx configuration file is usually located at /etc/nginx/nginx.conf. Find the configuration section of the http module in the file, usually at the top of the file, and add the following configuration items: http{...server{...location~\.php${fastcgi_pass127.0.0.1:9000;fastcgi_indexindex.php ;fastcgi_paramSCRIPT_FILENAME$document_r

May 18, 2023 pm 04:59 PM

PHPnginx