Cómo proteger Apache con Let’s Encrypt en Ubuntu 18.04
Let’s Encrypt es una entidad de certificación (CA) que proporciona una manera sencilla de obtener e instalar certificados de TLS/SSL gratuitos, lo que…
Database Normalization: 1NF, 2NF, 3NF & BCNF Examples
Master database normalization to minimize data redundancy and enhance integrity. Explore 1NF, 2NF, 3NF, and BCNF through practical examples and actionable SQL guidance.
Primeiros passos com a rede definida por software e a criação de uma VPN com o ZeroTier One
Atualmente, cada vez mais os projetos de software são construídos por equipes cujos membros trabalham em conjunto em localidades geográficas diferentes. Embora este fluxo de trabalho tenha muitas vantagens claras, existem casos onde tais equipes podem querer vincular seus…
How to Access MySQL Error Logs
Oftentimes, the root cause of slowdowns, crashes, or other unexpected behavior in MySQL can be determined by analyzing its error logs. On Ubuntu systems, the default location for the MySQL is /var/log/mysql/error.log. In many cases, the error logs are most easily read with the less program, a…
How to Add and Delete Users on Ubuntu 16.04
Learning how to manage users effectively is an essential skill for any Linux system administrator. In this guide, we will discuss how to add and delete users and assign sudo privileges on an Ubuntu 16.04 server.
How To Add Swap Space on Debian 8
One of the easiest way of guarding against out-of-memory errors in applications is to add some swap space to your server. In this guide, we will cover how to add a swap file to a Debian 8 server. <$>[warning] Warning: Although swap is generally recommended for systems…
How To Add the gzip Module to Nginx on Ubuntu 14.04
How fast a website will load depends on the size of all of the files that have to be downloaded by the browser. Reducing the size of files to be transmitted can make the website not only load faster, but also cheaper to those who have to pay for their bandwidth usage. In this guide, we’ll discuss how to configure Nginx installed on your Ubuntu 14.04 server to utilize `gzip` compression to reduce the size of content sent to website visitors.
How To Automate Elixir-Phoenix Deployment with Distillery and edeliver on Ubuntu 16.04
Elixir is a functional programming language that’s popular for its focus on developer productivity and ease of writing highly concurrent and scalable applications, while Phoenix is a web framework built on Elixir to allow for the creation of highly performant web applications. In this tutorial, you’ll combine Elixir and Phoenix with edeliver and Distillery to create a single command that builds, deploys, and hot-swaps Phoenix projects in production.
How To Back Up an Ubuntu 14.04 Server with Bacula
This tutorial will show you how to set up Bacula to create backups of a remote Ubuntu 14.04 host over a network connection. This involves installing and configuring the Bacula Client software on a remote host, and making some additions to the configuration of an existing Bacula Server.
Создание резервных копий, восстановление и миграция базы данных MongoDB в Ubuntu 20.04
MongoDB — одна из самых популярных систем управления базами данных NoSQL. Она отличается надежностью, масштабируемостью, мощностью и удобством в использовании. В этой статье мы покажем, как создавать резервные копии, восстанавливать и переносить базы данных MongoDB.
