Linux Basics

Additional Recommended Steps for New CentOS 7 Servers — step-by-step Linux tutorial on Progressive Robot

Additional Recommended Steps for New CentOS 7 Servers

After setting up the bare recommended configuration for a new server, there are often some additional steps that are highly recommended in most cases. In this guide, we’ll continue the initial configuration by tackling some recommended, but optional procedures.

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Cloud Servers: An Introduction — step-by-step Linux tutorial on Progressive Robot

Cloud Servers: An Introduction

A **cloud server** is internet infrastructure that provides computing resources to users remotely. You can think of a cloud server as a private computer that you can set up and control in the same way as an on-premise computer, such as a laptop or desktop. Though the types of software and tooling you install on your cloud server can vary greatly, understanding a few key components will help prepare you to plan and set up your own cloud server.

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How To Add Swap Space on Debian 10 — step-by-step Linux tutorial on Progressive Robot

How To Add Swap Space on Debian 10

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 10 server. <$>[warning] Warning: Although swap is generally recommended for systems…

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Cómo configurar la autenticación basada en claves de SSH en un servidor Linux — step-by-step Linux tutorial on Progressive Robot

Cómo configurar la autenticación basada en claves de SSH en un servidor Linux

SSH, o shell seguro, es la forma más común de administrar servidores Linux de forma remota. A pesar de que el demonio permite la autenticación con contraseña, exponer una cuenta protegida por contraseña a la red puede exponer a su servidor a ataques de fuerza bruta. En esta guía, demostramos cómo puede configurar su servidor con claves SSH, el cual es el método de autenticación recomendado. Es mucho más difícil que los atacantes las eviten, lo que le proporciona un mecanismo de inicio de sesión

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How To Install and Use Command Line Cheat Sheets on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Use Command Line Cheat Sheets on Ubuntu 14.04

Cheat is a command line based Python program that allows system administrators to view and store helpful cheat sheets. It retrieves plain-text examples of a chosen command in order to remind the user of options, arguments, or common uses. Cheat is ideal for “commands that you use frequently, but not frequently enough to remember.”

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Lesen und Einrichten von Umgebungs- und Shell-Variablen unter Linux — step-by-step Linux tutorial on Progressive Robot

Lesen und Einrichten von Umgebungs- und Shell-Variablen unter Linux

In Linux-Systemen werden Umgebungs- und Shell-Variablen verwendet, um Betriebsbedingungen für die Shell zu bestimmen. Sie können an untergeordnete Prozesse übergeben und verwendet werden, um Optionen festzulegen und bestimmte Informationen für Prozesse verfügbar zu machen, die in der Sitzung gestartet werden. In diesem Leitfaden werden wir über das Lesen, Ändern, Erstellen und Zerstören von Umgebungs- und Shell-Variablen sprechen.

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