How To Add and Delete Users on Ubuntu 12.04 and CentOS 6
This tutorial covers the basic commands to add, grant permissions to, and delete users. It is written for both CentOS and Ubuntu.
How To Add Swap Space on Debian 11
One way to guard 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 11 server.
How To Add the gzip Module to Nginx on CentOS 7
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 CentOS 7 server to utilize `gzip` compression to reduce the size of content sent to website visitors.
How To Automate Deployment Using CircleCI and GitHub on Ubuntu 18.04
Continuous Integration/Continuous Deployment (CI/CD) is a development practice that allows software teams to build, test, and deploy applications easier and quicker on multiple platforms. CircleCI is a popular automation platform that allows you to build and maintain CI/CD workflows for your projects. In this tutorial, you’ll go through the steps to set up a sample Node.js app for auto-deployment on an Ubuntu 18.04 server using CircleCI.
How To Back Up a MySQL Database to object storage Using LVM Snapshots
MySQL physical backups can be performed in a variety of ways, each with its own set of tradeoffs. In this tutorial we take a physical backup of a running MySQL database using LVM’s snapshot feature and compress and ship the backup files to object storage for long-term storage.
Como fazer backup, restaurar e migrar um banco de dados MongoDB no Ubuntu 20.04
O MongoDB é um dos mecanismos de banco de dados NoSQL mais populares. Ele é famoso por ser escalonável, poderoso, confiável e fácil de usar. Neste artigo, vamos mostrar como fazer backup, reiniciar e migrar seus bancos de dados MongoDB.
How To Build a Ruby on Rails Application on Ubuntu 22.04
Rails is a web application framework written in Ruby. It takes an opinionated approach to application development, assuming that set conventions will best serve developers in cases where there is a common end goal.
How To Build Go Executables for Multiple Platforms on Ubuntu 20.04
The Go programming language comes with a rich toolchain that makes obtaining packages and building executables incredibly easy. One of Go’s most powerful features is the ability to cross-build executables for any Go-supported foreign platform. This makes testing and packaging your software easy and accessible.
How To Change a MariaDB Data Directory to a New Location on CentOS 7
Databases grow over time, sometimes outgrowing the space on the file system. You can also run into I/O contention when they’re located on the same partition as the rest of the operating system. RAID, network block storage, and other devices can offer redundancy and other…
How To Configure a Galera Cluster with MariaDB on CentOS 7 Servers
In this guide, you will configure an active-active MariaDB Galera cluster. For demonstration purposes, you will configure and test three CentOS 7 Droplets that will act as nodes in the cluster. MariaDB is an open source relational database system that is fully compatible with the popular MySQL RDBMS system. Galera is a database clustering solution that enables you to set up multi-master clusters using synchronous replication.
