How To Set Up Logical Replication with PostgreSQL 10 on Ubuntu 18.04

Introduction

When setting up an application for production, it's often useful to have multiple copies of your database in place. The process of keeping database copies in sync is called replication. Replication can provide high-availability horizontal scaling for high volumes of simultaneous read operations, along with reduced read latencies. It also allows for peer-to-peer replication between geographically distributed database servers. Continue reading “How To Set Up Logical Replication with PostgreSQL 10 on Ubuntu 18.04”

How to Use Node.js and Github Webhooks to Keep Remote Projects in Sync

Introduction

When working on a project with multiple developers, it can be frustrating when one person pushes to a repository and then another begins making changes on an outdated version of the code. Mistakes like these cost time, which makes it worthwhile to set up a script to keep your repositories in sync. You can also apply this method in a production environment to push hotfixes and other changes quickly. Continue reading “How to Use Node.js and Github Webhooks to Keep Remote Projects in Sync”

How to Install Splunk Log Analyzer on CentOS 7

Splunk is a powerful, robust and fully integrated software for real-time enterprise log management to collection, store, search, diagnose and report any log and machine generated data, including structured, unstructured and complex multi-line application…

Como Inspecionar a Rede do Kubernetes

Introducão

O Kubernetes é um sistema de orquestração de container que pode gerenciar aplicações containerizadas em um cluster de nodes de servidores. A manutenção da conectividade de rede entre todos os containers em um cluster requer algumas técnicas avançadas de rede. Neste artigo vamos cobrir brevemente algumas ferramentas e técnicas para inspecionar essa configuração de rede. Continue reading “Como Inspecionar a Rede do Kubernetes”

How to Limit File Upload Size in Nginx

In our last article, we’ve explained about limiting user file upload size in Apache. In this article, we will explain how to limit user file upload size in Nginx. Restricting file upload size is…