Website nginx server, 502 often appears
The website freezes once every 5 minutes, and then 502 bad away. When I look up, I find that php-fpm accounts for 150% of the CPU. How to optimize it
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How to start nginx in Linux
Apr 14, 2025 pm 12:51 PM
Steps to start Nginx in Linux: Check whether Nginx is installed. Use systemctl start nginx to start the Nginx service. Use systemctl enable nginx to enable automatic startup of Nginx at system startup. Use systemctl status nginx to verify that the startup is successful. Visit http://localhost in a web browser to view the default welcome page.
How to solve nginx403 error
Apr 14, 2025 pm 12:54 PM
The server does not have permission to access the requested resource, resulting in a nginx 403 error. Solutions include: Check file permissions. Check the .htaccess configuration. Check nginx configuration. Configure SELinux permissions. Check the firewall rules. Troubleshoot other causes such as browser problems, server failures, or other possible errors.
How to check the running status of nginx
Apr 14, 2025 am 11:48 AM
The methods to view the running status of Nginx are: use the ps command to view the process status; view the Nginx configuration file /etc/nginx/nginx.conf; use the Nginx status module to enable the status endpoint; use monitoring tools such as Prometheus, Zabbix, or Nagios.
How to configure nginx in Windows
Apr 14, 2025 pm 12:57 PM
How to configure Nginx in Windows? Install Nginx and create a virtual host configuration. Modify the main configuration file and include the virtual host configuration. Start or reload Nginx. Test the configuration and view the website. Selectively enable SSL and configure SSL certificates. Selectively set the firewall to allow port 80 and 443 traffic.
How to solve nginx304 error
Apr 14, 2025 pm 12:45 PM
Answer to the question: 304 Not Modified error indicates that the browser has cached the latest resource version of the client request. Solution: 1. Clear the browser cache; 2. Disable the browser cache; 3. Configure Nginx to allow client cache; 4. Check file permissions; 5. Check file hash; 6. Disable CDN or reverse proxy cache; 7. Restart Nginx.
How to check whether nginx is started
Apr 14, 2025 pm 01:03 PM
How to confirm whether Nginx is started: 1. Use the command line: systemctl status nginx (Linux/Unix), netstat -ano | findstr 80 (Windows); 2. Check whether port 80 is open; 3. Check the Nginx startup message in the system log; 4. Use third-party tools, such as Nagios, Zabbix, and Icinga.
What to do if nginx is dead
Apr 14, 2025 pm 12:30 PM
Steps to deal with nginx when there is a failure: Check whether the process is running Check error log Get the cause of failure Check whether there are syntax errors or problems Monitoring server resources Ensure sufficient reload configuration application changes Restart nginx process checks firewall rules, configuration files, disables third-party modules and consults nginx documentation for more help.
How to check whether nginx is started?
Apr 14, 2025 pm 12:48 PM
In Linux, use the following command to check whether Nginx is started: systemctl status nginx judges based on the command output: If "Active: active (running)" is displayed, Nginx is started. If "Active: inactive (dead)" is displayed, Nginx is stopped.
