Docker est un excellent outil pour automatiser le déploiement d’apps Linux à l’intérieur de conteneurs de logiciels, mais pour tirer pleinement parti de son potentiel, chaque composant d’une application doit s’exécuter dans son propre conteneur…
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 web server. The backend data is stored in the MySQL database and the dynamic processing…
Munin is a system, network, and infrastructure monitoring application that provides information in graphs through a web browser. It is designed around a client-server architecture and can be configured to monitor the machine it’s installed on (the _Munin master_) and any number of client machines, which in Munin parlance, are called _Munin nodes_.
Forgetting passwords happens to the best of us. If you forget or lose the root password to your MySQL or MariaDB database, you can still gain access and reset the password if you have access to the server and a sudo-enabled user account. This tutorial will cover how to…
This tutorial will show you how to set up a firewall with UFW on Debian 9.
Une autorité de certification (AC) est une entité chargée d’émettre des certificats numériques pour vérifier les identités sur l’internet. Bien que les AC publiques soient un choix populaire pour vérifier l’identité des…
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.
Let’s Encrypt is a service offering free SSL certificates through an automated API. In this tutorial, we’ll discuss Certbot’s _standalone_ mode and how to use it to secure other types of services, such as a mail server or a message broker like RabbitMQ, on Debian 10.
Package management software allows you to easily control the software on your servers. These tools allow you to install, remove, update, and configure thousands of packages through a unified interface. In this guide, we will discuss some of the most common package management procedures that can be used with Ubuntu and Debian systems.
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.
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