Linux Basics

Comment configurer une authentification par clé SSH sur un serveur Linux — step-by-step Linux tutorial on Progressive Robot

Comment configurer une authentification par clé SSH sur un serveur Linux

SSH (ou secure shell) est le moyen le plus couramment utilisé pour administrer des serveurs Linux distants. Bien que le démon permette une authentification par mot de passe, le fait d’exposer votre réseau à un compte protégé par mot de passe le rend vulnérable aux attaques par force brute. Au cours de ce guide, nous allons vous montrer comment configurer votre serveur avec des clés SSH, la méthode d’authentification recommandée. Les pirates auront bien plus de mal à contourner ces mesures, grâce

Read more
Configuração Inicial do Servidor com o CentOS 7 — step-by-step Linux tutorial on Progressive Robot

Configuração Inicial do Servidor com o CentOS 7

### Introdução Quando você cria inicialmente um novo servidor, existem alguns passos de configuração que você deve tomar no início como parte da configuração básica. Isto aumentará a segurança e a usabilidade do seu servidor e dará uma sólida fundação para as ações subsequentes.

Read more
Understanding Systemd Units and Unit Files — step-by-step Linux tutorial on Progressive Robot

Understanding Systemd Units and Unit Files

Increasingly, Linux distributions are adopting or planning to adopt the systemd init system. This powerful suite of software can manage many aspects of your server, from services to mounted devices and system states. In systemd, a unit refers to any resource that the…

Read more
How To Set Up Time Synchronization on Debian 10 — step-by-step Linux tutorial on Progressive Robot

How To Set Up Time Synchronization on Debian 10

Accurate timekeeping has become a critical component of modern software deployments. Debian 10 has time synchronization built in and activated by default using the standard ntpd time server, provided by the `ntp` package. In this article we will look at some basic time-related commands, verify that ntpd is active and connected to peers, and learn how to activate the alternate systemd-timesyncd network time service.

Read more
How to Set Up SSH Keys on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up SSH Keys on Ubuntu 18.04

SSH-key-based authentication provides a more secure alternative to password-based authentication. In this tutorial we’ll learn how to set up SSH key-based authentication on an Ubuntu 18.04 installation.

Read more
How To Set Up SSH Keys on CentOS — step-by-step Linux tutorial on Progressive Robot

How To Set Up SSH Keys on CentOS

SSH, or secure shell, is an encrypted protocol used to administer and communicate with servers. When working with a CentOS server, chances are you will spend most of your time in a terminal session connected to your server through SSH.

Read more
How To View and Update the Linux PATH Environment Variable — step-by-step Linux tutorial on Progressive Robot

How To View and Update the Linux PATH Environment Variable

The PATH variable contains a list of directories the system checks before running a command. Updating the PATH variable will enable you to run any executables found in the directories mentioned in PATH from any directory without typing the absolute file path. In this tutorial, you will view the PATH variable and update its value with new directories.

Read more
CHAT