Linux

How to Use Ansible to Install and Set Up LEMP on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How to Use Ansible to Install and Set Up LEMP on Ubuntu 18.04

  • May 12, 2026
  • Linux
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This guide explains how to use Ansible to automate the steps contained in our guide on How To Install Linux, Nginx, MySQL and PHP (LEMP) on Ubuntu 18.04. The LEMP software stack is a group of software that can be used to serve dynamic web pages and web applications. This is an acronym that describes a Linux operating system, with an Nginx (pronounced like “Engine-X”) web server. The backend data is stored in the MySQL database and the dynamic processing is handled by PHP.

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How To Use BackupPC to Create a Backup Server on an Ubuntu 12.04 VPS — step-by-step Linux tutorial on Progressive Robot

How To Use BackupPC to Create a Backup Server on an Ubuntu 12.04 VPS

  • May 12, 2026
  • Linux
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BackupPC is a mature backup program that can be configured to back up Linux and Windows machines. Because of its powerful and flexible configuration options, and its easy to use web-interface, this is a good solution for many users. This guide will cover how to install and configure BackupPC on an Ubuntu 12.04 droplet.

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How To Use Duplicity with GPG to Back Up Data to object storage — step-by-step Linux tutorial on Progressive Robot

How To Use Duplicity with GPG to Back Up Data to object storage

  • May 12, 2026
  • Linux
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Duplicity is a command-line utility written in Python that produces encrypted tar volumes for storage on a local or remote repository. It uses the GNU Privacy Guard (GPG) to encrypt and sign its archives and the rsync algorithm to create incremental, space-efficient backups. In this tutorial, we will install Duplicity and go over how to back up project data to object storage.

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How To Use Git Hooks To Automate Development and Deployment Tasks — step-by-step Linux tutorial on Progressive Robot

How To Use Git Hooks To Automate Development and Deployment Tasks

  • May 12, 2026
  • Linux
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Git is a very robust and mature version control system that has seen great adoption in recent years. One of git’s great features is its ability to use “hooks” to call arbitrary scripts when certain git events occur. In this guide, we’ll discuss the general idea behind git hooks, talk about how to work around some of its inconsistencies, and demonstrate some implementations that you can use in your development process.

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How to Use Nginx's map Module on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How to Use Nginx’s map Module on Ubuntu 16.04

  • May 12, 2026
  • Linux
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When configuring a server for a website, there are some common conditional actions you may need to implement. For example, maybe some files should be cached by the user’s browser for longer than others, or some parts of the website should only be allowed via a secure…

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How To Use PAM to Configure Authentication on an Ubuntu 12.04 VPS — step-by-step Linux tutorial on Progressive Robot

How To Use PAM to Configure Authentication on an Ubuntu 12.04 VPS

  • May 12, 2026
  • Linux
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PAM, or Pluggable Authentication Modules, is a system for connecting authentication services to application requesting authentication, through the use of a consistent API. Authentication schemes can be switched out without having to reconfigure large amounts of code. In this guide, we will discuss how PAM works and give a basic explanation of how the system operates.

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How To Use Prometheus to Monitor Your Ubuntu 14.04 Server — step-by-step Linux tutorial on Progressive Robot

How To Use Prometheus to Monitor Your Ubuntu 14.04 Server

  • May 12, 2026
  • Linux
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Prometheus is an open source monitoring system which stores all its data in a time series database and offers a multi-dimensional data-model and a powerful query language. The Prometheus project also includes PromDash (a browser-based tool that can be used to develop custom dashboards) and an experimental AlertManager capable of sending alerts via e-mail.

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