Page 102-Nginx Programming Tutorials: Learn Nginx Online-php.cn

Article Tags

Nginx

Home

Technical articles

Operation and Maintenance

Nginx

How to solve the pitfall of nginx proxy socket.io service

nginx proxies two socket.io servers. The working mode of socket.io is polling and upgrading to websocket. When requesting services through nginx, a large number of 400 errors appear. Sometimes it can be upgraded to websocket, and sometimes it keeps reporting errors. But when accessing directly through ip+port, it is 100% successful. Analyzing sidsid is the key to our problem. When initially creating a connection (polling mode is simulating a long connection), the client will initiate such a request: https://***/?eio=3&transport=polling&t=154082071

May 13, 2023 pm 12:43 PM

nginxsocket.io

How to deploy nginx, php and virtual host in CentOS environment

os environment: centos6.1nginx: nginx-1.2.2php:php5.3.140, install dependency package copy code as follows: yuminstallopenssl-develpcre-develzlib-devellibjpeg-devellibpng-develfreetype-develgccmake1, add www user to execute nginx copy code as follows :useradd-m-r-s/sbin/nologin-d/opt/web/www2. Create a temporary directory and copy the code as follows: mkdir-p/var/tmp/n

May 13, 2023 pm 12:40 PM

PHPCentOSnginx

How to use nginx to implement distributed current limiting

1. Introduction Generally, systems that are exposed to the outside world will receive a large number of requests during promotions or hacker attacks. In order to protect the system from being overwhelmed by the high concurrent traffic that arrives instantly, it is necessary to limit the current flow. 2. First deploy an externally exposed interface. The program I deployed here is a springboot project that exposes the following interface. It simply exposes a restful interface that returns helloworld with a get request. Deploy this program to the Linux server. I won’t go into details about the deployment steps. You can deploy it yourself on Baidu springboot. .Here I recommend an architecture learning and exchange group to everyone. Communication and learning group number: 575745314 will share some videos recorded by senior architects: there are sprin

May 13, 2023 pm 12:07 PM

nginx

How to implement if nesting in nginx

nginx does not support if nesting, nor does it allow the use of logical judgments in ifs. The following error will be reported: nginx:[emerg]"if"directiveisnotallowed. When the business requires multiple conditional judgments, it can be achieved with the help of intermediate variables, such as: Our The website has multiple subdomain names on the PC side, but only one domain name on the mobile side. The corresponding relationship is as follows: www.test.com-->m.test.comsub1.test.com-->m.test.com/sub1sub2.test. com-->m.test.com/sub2sub3.test.c

May 13, 2023 pm 12:01 PM

nginx

How to install NGINX on RHEL6

1. Install dependency packages (select the installation directory and execute the command) yum-yinstallmakegccgcc-c++opensslopenssl-develpcre-develzlib-devel-y. For all questions, the default is yesinstall. Automatically install the dependency gcc used by make to compile binary files. Compiling c/c++ language with gcc-c++ requires the http module of PCREnginx to use pcre to parse regular expressions opensslnginx supports http and https protocols. openssl is a secure sockets layer cryptographic library that has cryptographic algorithms, commonly used keys and certificate encapsulation management functions.

May 13, 2023 am 11:52 AM

nginxrhel

How to restart nginx service in ubuntu

1. Use the shortcut key [Ctrl+Alt+T] to open the terminal command mode. 2. You can restart the nginx service in the following ways. Method one, in the nginx executable directory sbin, enter the following command to restart/nginx-sreload#Restart method two, find the current nginx process number, and then enter the command: kill-HUP process number to restart the nginx service#ps-ef|grepnginx #Find the current nginx process number]#kill-TERM132#Kill the nginx process, 132 is the nginx process number

May 13, 2023 am 11:40 AM

Ubuntunginx

How to enable multi-site support and Nginx rewrite rule configuration in WordPress

Multi-site can be used directly in wordpress 3.0 and above. It can: 1. Create multiple wordpress sites by only installing one wordpress program, which can be a subdomain name or a subdirectory. 2. You can have an independent blog backend and independent blog address. 3. The administrator can set which themes are open to the site. 4. Administrators can configure plug-ins for each site. 5. Multiple sites share the "user database table", that is, the tables wp_usermeta and wp_users, and the others are independent database tables. WordPress multi-site configuration method: 1. First, back up the database of the website to prevent recovery in case of accidents (generally can be ignored). 2. Open w

May 13, 2023 am 11:16 AM

WordPressnginx

How to deploy Django through Nginx based on ubuntu

There are many ways to deploy Django, and nginx+uwsgi is one of the more common ways. In this way, our usual approach is to use nginx as the front-end of the server, which will receive all requests from the web and manage the requests in a unified manner. nginx handles all static requests by itself (this is nginx's strength). Then, nginx passes all non-static requests to django through uwsgi, which is processed by django, thus completing a web request. It can be seen that uwsgi functions like a bridge. Act as a bridge. 1. Install nginx. Nginx is a lightweight web server/reverse proxy server and e-mail server.

May 13, 2023 am 11:01 AM

Ubuntunginxdjango

How to deploy Nginx+Apache and separate dynamic and static

Introduction to nginx dynamic and static separation nginx has strong static processing capabilities, but insufficient dynamic processing capabilities. Therefore, dynamic and static separation technology is commonly used in enterprises. The dynamic and static separation of php static pages is handed over to nginx for processing. The dynamic pages are handed over to the php-fpm module or apache for processing. In the configuration of nginx, the location configuration section and regular matching are used to implement different processing methods for static and dynamic pages. Reverse proxy principle nginx can not only serve as a web server, but also has the functions of reverse proxy, load balancing and caching. nginx is implemented through the proxy module Proxy the client's request to the upstream server. At this time, the connection between nginx and the upstream server is through the http protocol ngi

May 13, 2023 am 10:49 AM

nginxapache

How to configure Nginx access restrictions

What is nginx access restriction? Configuration nginx access restriction can be based on two aspects. One is IP-based access control, and the other is user-trusted login control. Below we will introduce these two methods one by one. Introduction to IP-based access control: Yes By configuring IP-based access control, you can achieve the effect of allowing certain IPs to access and restricting which IPs cannot access. This is the configuration method to allow access. Configuration syntax: allowaddress|cidr|unix|all; Default configuration: No configuration Configuration path: http , server, location, limit_except; this is a configuration method that does not allow access. Configuration syntax: denyaddress|c

May 13, 2023 am 10:46 AM

nginx

nginx signal set example analysis

Scenario Reproduction Below I will use a native nginx to reproduce this process on my virtual machine with fedora26 installed. The nginx version I use is the latest 1.13.4. First start nginx and you can see that both the master and the worker have been Running. Then we send a sigusr2 signal to the master. When the nginx core receives this signal, it will trigger a hot update. You can see that the new master and the workers from the masterfork are already running. At this time, we then send a sigwinch signal to the old master. After receiving this signal, the old master will send si to its workers.

May 13, 2023 am 10:37 AM

nginx

How to intercept specific user agent in Nginx

Blacklist specific user agents in nginx To configure the user agent blocking list, open your website's nginx configuration file and find the server definitions section. This file may be placed in different places, depending on your nginx configuration or linux version (e.g., /etc/nginx/nginx.conf, /etc/nginx/sites-enabled/, /usr/local/nginx/conf /nginx.conf,/etc/nginx/conf.d/). Copy the code as follows: server{listen80default_server;server_nam

May 13, 2023 am 10:25 AM

nginx

How Nginx redirects HTTP to HTTPS

Nginx is a powerful redirection tool that can be easily configured to redirect insecure or unencrypted HTTP web traffic to encrypted and secure HTTPS web servers on your system. Nginx, pronounced "Enginex," is a free, open source, Linux-based high-performance web and reverse proxy server responsible for managing and handling the load of the largest website traffic on the Internet. Nginx is a powerful redirection tool that can be easily configured to redirect insecure or unencrypted HTTP web traffic to encrypted and secure HTTPS web servers on your system. If you are a system administrator or developer, then you should use Nginx server frequently. In this article we will

May 13, 2023 am 09:52 AM

HttpHTTPSnginx

How to solve the 500 Internal Server Error error in Nginx

1. Is there insufficient disk space? Use df-k to check whether the hard disk space is full. Clearing up hard drive space can resolve 500 errors. If accesslog is enabled in nginx, it is best to close accesslog when it is not needed. Accesslog takes up a lot of hard disk space. 2. The nginx configuration file is wrong? This does not refer to syntax errors. If nginx has a syntax error in the configuration file, it will prompt it when it is started. When configuring rewrite, 500 errors may occur if some rules are not handled properly. Please check your rewrite rules carefully. If some variables in the configuration file are set improperly, a 500 error will also occur, such as referencing a variable with no value. 3. Such as

May 13, 2023 am 09:28 AM

nginx