Web Servers

How To Troubleshoot Common Nginx Errors — step-by-step Web Servers tutorial on Progressive Robot

How To Troubleshoot Common Nginx Errors

There are several methods you can use to troubleshoot Nginx errors. Keep in mind that these methods of troubleshooting are meant as a starting point, and further investigation is often required to diagnose the root cause of an issue. This tutorial will review several commands that are commonly used to troubleshoot Nginx across most Linux distributions:

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What is LEMP? — step-by-step Web Servers tutorial on Progressive Robot

What is LEMP?

LEMP refers to a collection of open-source software that is commonly used together to serve web applications. The term LEMP is an acronym that represents the configuration of a Linux operating system with an nginx web server, with site data stored in a MySQL database and dynamic content processed by PHP.

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Apache POI Tutorial — step-by-step Web Servers tutorial on Progressive Robot

Apache POI Tutorial

Welcome to Apache POI Tutorial. Sometimes we need to read data from Microsoft Excel Files or we need to generate reports in Excel format, mostly for Business or Finance purposes. Java doesn't provide built-in support for working with excel files, so we need to look for open source APIs for the job. When I started […]

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5 configurações comuns de servidor para sua aplicação Web — step-by-step Web Servers tutorial on Progressive Robot

5 configurações comuns de servidor para sua aplicação Web

Ao decidir qual arquitetura de servidor utilizar para seu ambiente, existem muitos fatores a considerar, tais como desempenho, escalabilidade, disponibilidade, confiabilidade, custo, e facilidade de gerenciamento. Aqui está uma lista de configurações de servidor comumente utilizadas, com uma breve descrição de cada uma, incluindo prós e contras.

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Nginx Rewrite URL Rules Examples — step-by-step Web Servers tutorial on Progressive Robot

Nginx Rewrite URL Rules Examples

URL: https://www.progressiverobot.com/nginx-rewrite-url-rules/ NGINX rewrite rules are used to change entire or a part of the URL requested by a client. The main motive for changing an URL is to inform the clients that the resources they are looking for have changed its location apart from controlling the flow of executing pages in NGINX. The return […]

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Common Nginx Connection Errors — step-by-step Web Servers tutorial on Progressive Robot

Common Nginx Connection Errors

Nginx connection errors can be difficult to debug because there are many possible causes and solutions. Moreover, there aren’t always many hints to point you in the right direction to fix the error. In this tutorial, you will learn about what a browser connection error means for your Nginx web server and the various steps you can take to identify and correct the issue to get your server back up and running.

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How To Use Confd and Etcd to Dynamically Reconfigure Services in CoreOS — step-by-step Web Servers tutorial on Progressive Robot

How To Use Confd and Etcd to Dynamically Reconfigure Services in CoreOS

Etcd is a globally distributed key-value store that is available in CoreOS installations. By registering services in this store, related applications can adjust their configuration based on the values available. In this guide, we will demonstrate how to configure `confd` to monitor `etcd` in order to dynamically generate an Nginx configuration. Continuous polling of `etcd` allows us to configure Nginx as a load balancer that adjusts its list of backend servers as they are started or stopped.

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