Book Image

Nginx Troubleshooting

By : Alexey Kapranov
Book Image

Nginx Troubleshooting

By: Alexey Kapranov

Overview of this book

Nginx is clearly winning the race to be the dominant software to power modern websites. It is fast and open source, maintained with passion by a brilliant team. This book will help you maintain your Nginx instances in a healthy and predictable state. It will lead you through all the types of problems you might encounter as a web administrator, with a special focus on performance and migration from older software. You will learn how to write good configuration files and will get good insights into Nginx logs. It will provide you solutions to problems such as missing or broken functionality and also show you how to tackle performance issues with the Nginx server. A special chapter is devoted to the art of prevention, that is, monitoring and alerting services you may use to detect problems before they manifest themselves on a big scale. The books ends with a reference to error and warning messages Nginx could emit to help you during incident investigations.
Table of Contents (15 chapters)
Nginx Troubleshooting
About the Author
About the Reviewers
Rare Nginx Error Messages

Using Nginx Plus alternatives

The Nginx Plus commercial subscription gives you more than just the ngx_http_status module. If you do not need the other perks of the Plus version but crave more metrics, you could explore some of the freely available alternatives.


One way to get more information from inside Nginx is this open source module published on GitHub at

The author was clearly inspired by the official ngx_http_status features and even used the same structures and dashboard client-side code (although the older version). This may be actually a good thing because you can start integrating nginx-module-vts and then transfer all the scripts with minimal modifications to Nginx Plus once you are ready for the subscription. The documentation is wonderful, and there are many examples. Some of the keys in the JSON objects that are returned by this module differ from the official ngx_http_status keys, and because of this, we would recommend...