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Nginx for a PHP-FPM Setup
Install Nginx and PHP-FPM and confirm the PHP version and socket path; 2. Configure Nginx site files, correctly set fastcgi_pass and SCRIPT_FILENAME, and enable the site; 3. Create a phpinfo test file to verify PHP processing, and troubleshoot common problems such as file not found or permission errors - this combination realizes efficient and secure PHP processing through Unixsocket, which is suitable for small and medium-sized traffic production environments.
Aug 04, 2025 am 02:57 AM
Configuring Nginx Timeouts
Set proxy_connect_timeout to 5-10 seconds to ensure fast failure; 2. Set proxy_send_timeout to 10-30 seconds to adapt to slow uploads; 3. proxy_read_timeout matches the maximum response time of the application to avoid 504 errors; 4. If load is balanced, set proxy_next_upstream_timeout to limit the retry time - correctly configuring these values can significantly reduce gateway timeout, improve user experience, and continuously tuned in combination with actual logs and monitoring.
Aug 03, 2025 pm 04:25 PM
Basic Nginx Load Balancing
Nginx implements load balancing by default, and the requests are distributed to each server in sequence; 2. Supports methods such as least_conn (minimum connection), ip_hash (IP hashing sessions), weighted (weight allocation) and other methods to optimize distribution strategies; 3. Automatic health check and failover, and the detection sensitivity can be adjusted through max_fails and fail_timeout parameters. After configuration, sudonginx-t test and reload take effect to ensure that the backend can obtain real client information.
Aug 03, 2025 am 06:34 AM
Handling WebSockets in Nginx
To correctly handle WebSocket connections in Nginx, you need to configure the following core steps in the location block: ① Set proxy_http_version1.1 and add Upgrade and Connection headers to enable protocol upgrades; ② Set Host, X-Real-IP and other headers to retain client information; ③ Adjust proxy_read_timeout and proxy_send_timeout to prevent idle disconnection; ④ If load balancing is load-balanced, enable stickysession to ensure the consistency of the session; ⑤ Set X-Forwarded-Proto to http when SSL terminates to support the wss protocol, and finally use wsc
Aug 03, 2025 am 02:32 AM
Dynamic Modules in Nginx
DynamicModules is a feature introduced by Nginx from 1.9.11, allowing the .so module to be loaded at runtime rather than recompiled; 1. Confirm that the module supports dynamic compilation (such as --add-dynamic-module); 2. Load the .so file with the load_module instruction on the top of nginx.conf; 3. Verify the configuration and reload take effect; the advantages are hot swapping, easy upgrade, and containerization. Pay attention to version matching, correct path, inability to hot uninstall, and third-party module security issues.
Aug 03, 2025 am 12:49 AM
What does the server_name directive do?
The server_name directive in Nginx is used to select the virtual host to process the request based on the Host header sent by the client. Specifically: 1. Server_name matches the Host header through exact matches, wildcards or regular expressions to decide which server block to use; 2. When it does not match, it will fall back to the default server block, usually the first or explicitly marked as default_server; 3. Correct configuration of server_name helps avoid content duplication, improve SEO and enhance performance; 4. Complex matches and wildcards should be used with caution to maintain clarity and efficiency. Therefore, setting server_name reasonably can ensure that traffic is correctly routed and simplify server dimensions
Aug 02, 2025 pm 04:49 PM
Nginx Rate Limiting Techniques
Nginx current limiting requires first defining the shared memory area and setting the rate. 1. Use limit_req_zone to press the IP speed limit (such as 10r/s) and configure burst and nodelay to avoid delays; 2. You can limit the speed limit by custom keys such as APIkey (such as 30r/m); 3. Use geo and map instructions to whitelist IP and skip the limit; 4. Return 429 status code and custom head prompt; 5. Enable logging current limit behavior for monitoring. A common mistake is to ignore burst, causing normal traffic to be discarded.
Aug 02, 2025 am 11:41 AM
Nginx Ingress Controller for Kubernetes
NginxIngressController is the core component in Kubernetes that implements HTTP/HTTPS routing, load balancing, SSL termination, rewrite and stream limit. 1. It can forward requests to the corresponding service based on the host name or path; 2. It supports the configuration of TLS/SSL through Secret to implement HTTPS; 3. It uses ConfigMap and annotations to provide flexible configurations such as rewrite and stream limit; 4. Deploy recommended Helm or official YAML; 5. Pay attention to pathType matching rules, backend service health status, global configuration and log monitoring. It is a stable and reliable traffic entry solution in the production environment.
Aug 02, 2025 am 09:21 AM
Optimizing Nginx for High Traffic
To optimize Nginx performance under high traffic, you need to start from six aspects: configuration, system, cache, compression, log and extension: 1. Set worker_processes to the number of CPU cores and increase worker_connections (such as 4096) to improve concurrency capabilities; 2. Adjust system file descriptor restrictions and TCP parameters (such as somaxconn, tcp_tw_reuse), and enable epoll event model; 3. Enable long-term cache and open_file_cache for static resources to reduce disk I/O; 4. Enable moderate gzip compression (levels 1-3) to save bandwidth; 5. Turn off static resource access logs and use buffered logs to reduce write frequency; 6.
Aug 02, 2025 am 01:12 AM
How to set up a default server block to handle unknown domains?
AdefaultserverblockinNginxisconfiguredtohandleunmatcheddomainrequests,ensuringunknowntrafficgetsacontrolledresponse.Tosetoneup:1)createaserverblockwiththedefault_serverparameteronthelistendirective,2)use_astheserver_nametocatchallunmatcheddomains,and
Aug 01, 2025 am 07:24 AM
Managing Nginx with systemd
Use systemctlstatusnginx to check the Nginx service status to confirm whether it is running and powering on; 2. Master the core commands such as start, stop, restart, reload, enable, and disable, and give priority to using reload to avoid connection interruptions; 3. Use journalctl-unginx.service to view the logs, and the -f parameter can be monitored in real time to facilitate troubleshooting startup failures; 4. Be sure to run sudonginx-t test syntax before modifying the configuration to prevent reload failure; 5. If you need to customize the configuration, use sudosystemctleditnginx to create a secure overwrite file instead of direct
Aug 01, 2025 am 07:15 AM
Nginx for a Node.js Application
Nginxactsasareverseproxy,hidinginternalportsandallowingmultipleappsononeserver;2.IthandlesSSL/TLSterminationefficientlyviaLet’sEncrypt,offloadingencryptionfromNode;3.ItservesstaticfilesfasterthanNodebydirectlymanagingrouteslike/static/;4.Itenablesloa
Aug 01, 2025 am 04:13 AM
Nginx URL Rewrites and Redirects
Redirects(301/302)changethebrowserURLandareSEO-friendlyformovedcontent;rewritesinternallymapURLswithoutbrowserredirection.2.Usereturn301forfast,clearredirectslikeforcingHTTPS,redirectingwww,ormovingoldpathstonewones.3.Userewritewithlastorbreakinlocat
Aug 01, 2025 am 03:48 AM
Nginx Installation Guide
Installing Nginx on Ubuntu/Debian requires updating the package list (sudoaptupdate), installing Nginx (sudoaptinstallnginx-y), starting and enabling services (sudosystemctlstart/enablenginx); 2. On CentOS/RHEL, you need to enable EPEL source (sudodnfinstallepel-release-y), installing Nginx, starting services, and opening the firewall HTTP/HTTPS port (firewall-cmd command); 3. After installation, you should verify the configuration syntax (sudonginx-t) and check the default site directory.
Jul 31, 2025 am 08:50 AM
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