CentOS

How to Create a High Availability Setup with Pacemaker, Corosync and Reserved IPs on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How to Create a High Availability Setup with Pacemaker, Corosync and Reserved IPs on CentOS 7

Corosync is an open source cluster engine used to implement high availability within applications. This tutorial will demonstrate how to use Corosync and Pacemaker to create a high availability (HA) infrastructure on the cloud provider with CentOS 7 servers and Reserved IPs. To facilitate the process of setting up and managing the cluster nodes, we are going to use PCS, a command line interface that interacts with both Corosync and Pacemaker.

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How To Create and Serve WebP Images to Speed Up Your Website — step-by-step Linux tutorial on Progressive Robot

How To Create and Serve WebP Images to Speed Up Your Website

WebP is an open image format developed by Google in 2010 based on the VP8 video format that supports both lossy and lossless image compression. In this tutorial, you will use the command-line tool `cwebp` to convert images to WebP format, creating scripts that will watch and convert images in a specific directory. Finally, you’ll explore two ways to serve WebP images to your visitors.

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How To Deploy Rails Apps Using Unicorn And Nginx on CentOS 6.5 — step-by-step Linux tutorial on Progressive Robot

How To Deploy Rails Apps Using Unicorn And Nginx on CentOS 6.5

In this the cloud provider article, we are going to take a look at assembling a multi-layer deployment installation to host Rails based Ruby web applications. For this arrangement, we will use the ever-so-powerful, flexible and extremely successful Unicorn application server running behind Nginx. Although we will be building this structure on a single server for demonstration purposes, you can easily use multiple droplets to spread things and scale out easily — both horizontally and vertically!

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How To Host a Website with Caddy on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Host a Website with Caddy on CentOS 7

[Caddy](https://caddyserver.com/) is a new web server which can be used in place of Apache or Nginx to serve websites. It has been created with ease of use in mind and has become a common choice for developers who want to quickly run a website without working out difficult configuration files. In this tutorial, you will install and configure Caddy. After following this tutorial, you will have a simple working website served using HTTP/2 and a secure TLS connection.

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How To Install CouchDB from Source on a CentOS 6 x64 VPS — step-by-step Linux tutorial on Progressive Robot

How To Install CouchDB from Source on a CentOS 6 x64 VPS

CouchDB is a NoSQL database developed by The Apache Software Foundation that “uses JSON for documents, JavaScript for MapReduce queries, and regular HTTP for an API”. Often called “a database that completely embraces the web”, it’s used by many startups as well as corporations due to its flexibility and scalability.

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Como instalar o Git no CentOS 8 — step-by-step Linux tutorial on Progressive Robot

Como instalar o Git no CentOS 8

Os sistemas de controle de versão constituem uma parte indispensável do desenvolvimento de softwares modernos. O controle de versão permite que você acompanhe seu software a nível de código-fonte. É possível rastrear as alterações, retornar a etapas anteriores, e os ramos para…

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