Nginx + php-fpm error 502 bad gateway solution, nginxphp-fpm
1. nginx error cannot be found. Generally, You need to modify/usr/local/nginx/conf/nginx. conf (careful modification may cause other website problems)
Error 2,502
Case 1: nginx fails:
Command:/usr/local/nginx/sbin/nginx-s reload
Wait a moment later
Case 2: php disconnection:
First you need to modify the parameters in the/usr/local/php-5.6.0/etc/ph
For php-fpm parameter settings, in many cases there is a doubt that the built-in parameters such as pm.max_children,pm.start_servers, such as the number of parameters such as how much this setting is appropriate. In fact, these parameters often depend on the current number of connections, and in most cases, it is difficult to determine whether the current number of connections to our PM and other parameters are appropriate. So with the help of the PHP
For php-fpm parameter settings, in many cases there is a doubt that the built-in parameters such as pm.max_children,pm.start_servers, such as the number of parameters such as how much this setting is appropriate. In fact, these parameters often depend on the current number of connections, and in most cases, it is difficult to determine whether the current number of connections to our PM and other parameters are appropriate. So with the help of the PHP
For PHP-FPM, there is a lot of doubt about the number of parameters that are built up, such as Pm.max_children,pm.start_servers, which is the most appropriate number of parameters for this setting. In fact, these several parameters often depend on the current number of connections, and in most cases it is very difficult to determine whether the current number of connections is appropriate for several of our PM's parameters. So with the help of the PHP
Haven't written a blog for a long time, because there is nothing to write.The reason why this question, because read a Daniel article: PHP upgrade caused by high system load problem analysis. After reading, some of the text triggered my idea, also want to verify.Scheme, grab the packet with tcpdump, get the system call with Strace8080 9000 0 -w Temp8080 is the Nginx service port, 9000 is the port of the PHP-FPM service, grasping these two ports is to
Brief introductionPHP-FPM is actually a patch of PHP source code designed to integrate FASTCGI process management into a PHP package. It must be patch into your PHP source code and can be used after compiling and installing PHP. Now we can download in the latest PHP 5.3.2 source tree to directly integrate the PHP-FPM branch, it is said that the next version will be fused into the main branch of PHP. Relativ
Install Nginx under Ubuntu (Nginx + Php5-fpm), nginxphp5-fpm
I won't bother with the introduction of nginx. Let's talk about the system installation environment first.
0. installation environment
System: Ubuntu 14.04
PHP version: 5.5.9
Existing server software: Apache (basically not affected, which will be mentioned later)
1. Install Nginx
sudo apt-get install nginxIf you have installed Apache and Apache
1. Package fpm into PHP source code
GZIP-CD php-5.2.8-fpm-0.5.10.diff.gz | Patch-d PHP-5.2.8-P1
2. Compile and install PHP remember to bring
enable-cgi? enable-fpm two parameters Oh.
The following issue was encountered: Issue 1, when compiling with the following parameters,
./configure prefix=/usr/local/php-5.2.14? with-config-file-path=/usr/local/php-5.2.14/
Ubuntu12.10 default installation php5-fpm no listening port 9000, nginx cannot link php5-fpm fix upgrade to ubuntu12.10 nginx reported 502 error, php cannot run. Netstat-an does not find listening to Port 9000. View/var/log/php5-fpm ubuntu 12.10 default installation php5-fpm no listening port 9000, nginx cannot link ph
Today touched a very strange problem, usually good PHP-FPM modified a parameter, suddenly start not up, try to restore the parameters, even with backup configuration file Restore no way to start PHP, and do not give the task to start the wrong hint, wondering!!! Later on the Internet to find a material:See how big the PHP-FPM error log is, over 2G, and it won't start.Normal startup after deleting logsProble
Ubuntu12.10 default installation php5-fpm no listening port 9000, nginx cannot link php5-fpm fix upgrade to ubuntu12.10 nginx reported 502 error, php cannot run. Netstat-an does not find listening to Port 9000. View the varlogphp5-fpm.log everything works. Then view etcphp5fpmpool. dwww. co ubuntu 12.10 default installation php5-fpm no listening port 9000, nginx
How to configure nginx to run different versions of php-fpm and nginxphp-fpm at the same time
Found in the/usr/local/php/etc/php-fpm.conf
Listen = 127.0.0.1: 9000Change port 9000 to 9001
Make the same port modification in the corresponding nginx configuration.
How does nginx php fpm Display error logs?
To enable php-fpm
PHP scripts monitor Nginx 502 errors and automatically restart php-fpm and nginxphp-fpm
Recently, Nginx 502 Bad Gateway appears on the server from time to time. If it is okay on the computer, what should I do if it goes out in the middle of the night?It doesn't matter. Write a script to check the service status. If an exception is found, it will be restarted automatically.Automatic Restart script:Copy codeT
Add fastcgi_paramSCRIPT_FILENAME $ document_root $ fastcgi_script_name on the Internet. The problem persists! Add by online
Fastcgi_param SCRIPT_FILENAME $ document_root $ fastcgi_script_name;
Still invalid. solve it!
Reply content:
Add by online
Fastcgi_param SCRIPT_FILENAME $ document_root $ fastcgi_script_name;
Still invalid. solve it!
I had a hard time tossing this problem yesterday. I was furious:
Check whether the following two lines exist in the/etc/nginx/fastcgi_params file.
fastcgi
Users, traffic what is not big, The FPM process parameters are as follows: Pm.max_children = 100 Pm.start_servers =80 Pm.min_spare_servers = 20 The logs are as follows, from the start of the turn-On error [31-jul-2014 18:49:14] NOTICE: [Pool www] child 26462 started [31-jul-2014 18:49:15] NOTICE: [Pool www] child 24743 exited with code 0 after 891.856027 seconds from start [31-jul-2014 18:49:15] NOTICE: [Pool www] child 26502 started [31-jul-2014 18:4
Configure the communication between php-fpm and nginx in centos, and centosphp-fpm
A location matches a url.
Match the corresponding url to the corresponding location, and then process the request.
The default root is/usr/share/nginx/html, that is, the request is forwarded to the corresponding directory for processing.
But there is no way to Parse Files that match php.
Here we use php-
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