NGINX Timeout Directives: Complete Configuration Guide
by Danila Vershinin, January 26, 2026
Master all NGINX timeout directives including proxy_read_timeout, client_body_timeout, keepalive_timeout, and send_timeout. Learn when to use each, production-ready values, and how to diagnose timeout issues.
Read More...NGINX 502 Bad Gateway: Every Cause and Fix (Complete Guide)
by Danila Vershinin, January 24, 2026
Learn how to fix NGINX 502 Bad Gateway errors. This comprehensive guide covers every cause including PHP-FPM issues, socket permissions, buffer problems, and more with tested solutions.
Read More...504 Gateway Timeout NGINX: How to Fix It
by Danila Vershinin, January 22, 2026
Stop copy-pasting timeout fixes. Learn which NGINX directive actually causes 504 errors and how to fix it properly—whether you’re proxying to Varnish, Node.js, PHP-FPM, or any HTTP backend.
Read More...How to log and fix slow PHP requests
by Danila Vershinin, June 5, 2020
How to troubleshot slow PHP requests using PHP-FPM slow log facility. Common reasons for a slow PHP request and ways to fix it
Read More...Quick fix for installing python2-certbot-dns-route53 (python2-boto3) in CentOS 7
by Danila Vershinin, January 7, 2019
Just a quick fix for installing python2-certbot-dns-route53 in CentOS 7
Read More...[Fix] ImportError: ‘pyOpenSSL’ module missing required functionality. Try upgrading to v0.14 or newer.
by Danila Vershinin, March 23, 2018
Fix for running Certbot error: ‘pyOpenSSL’ module missing required functionality. Try upgrading to v0.14 or newer.
Read More...Debugging PHP behind Varnish
by Danila Vershinin, January 13, 2018
Some tips on debugging PHP on production system with Varnish server
Read More...Fx for “The requested URL returned error” and “401 Unauthorized while accessing” with git on CentOS 6
by Danila Vershinin, November 2, 2017
Quick fix for git error on CentOS 6 systems
Read More...Varnish 4 and 5. Log slow backend requests
by Danila Vershinin, March 21, 2017
Log slow backend requests using Varnish utility varnishncsa
Read More...Email files from server (shell script)
by Danila Vershinin, March 16, 2017
Send any file or directory form your server gzipped via email! Handy shell script for sharing files from server using email with attachment.
Read More...Recommended Web Hosting
