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

Getting more status data from Nginx

In this section, we will explore the ways to get more information about an Nginx instance so that the monitoring can be more extensive and cover more details.

In 2014, Nginx creators launched a commercial umbrella company for the open source Nginx software, which started to explore the business models around the server. One of the most anticipated features was comprehensive monitoring and the developers delivered on that front.

The commercial product of Nginx company is named Nginx Plus. It is a subscription service marketed to medium and large businesses already dependent on Nginx for their infrastructure. Nginx Plus pricing is based on yearly licenses per single instance and is rather aggressive, which also means that once you need these features, you already have several instances and need several licenses. For complete and up-to-date information, refer to the Nginx Plus web page at

One of the most important part of the...