System Tools

Настройка аутентификации на базе ключей SSH на сервере Linux — step-by-step Linux tutorial on Progressive Robot

Настройка аутентификации на базе ключей SSH на сервере Linux

SSH или защищенная оболочка — самый распространенный способ администрирования удаленных серверов Linux. Хотя демон поддерживает аутентификацию на базе паролей, возможность доступа к защищенной паролем учетной записи через сеть может сделать ваш сервер уязвимым к атакам методом перебора. В этом учебном руководстве мы продемонстрируем, как настраивать сервер с использованием ключей SSH, которые представляют собой рекомендованный метод аутентификации. Злоумышленникам намного сложнее обойти такую за

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How To Install Jenkins on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Jenkins on Ubuntu 16.04

Jenkins is an open source automation server intended to automate repetitive technical tasks involved in the continuous integration and delivery of software. Jenkins is Java-based and can be installed from Ubuntu packages or by downloading and running its Web application ARchive…

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How To Monitor Your Ubuntu 16.04 System with Sysdig — step-by-step Linux tutorial on Progressive Robot

How To Monitor Your Ubuntu 16.04 System with Sysdig

Sysdig is a comprehensive open source system activity monitoring, capture and analysis application with integrated support for application containers. It features a powerful filtering language with customizable output, and core functionality that can…

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How To Configure Chroot Environments for Testing on an Ubuntu 12.04 VPS — step-by-step Linux tutorial on Progressive Robot

How To Configure Chroot Environments for Testing on an Ubuntu 12.04 VPS

Often, you may need to set up an environment that is isolated and slightly different than your normal operating system in order to test some software or configuration details. A common strategy in this situation is to configure a chroot environment, which provides a decent amount of isolation and basically provides a bare-bones guest operating system inside of the current one. In this guide, we’ll discuss how to set one up on an Ubuntu VPS instance.

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How To Set Up SSH Keys on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Set Up SSH Keys on CentOS 7

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 a CentOS 7 installation.

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How to Verify Downloaded Files — step-by-step Security tutorial on Progressive Robot

How to Verify Downloaded Files

Verifying downloaded files ensures that what you downloaded is what you think it is. In this tutorial, you’ll learn what file verification is, why it’s important, and how to do it on various operating systems using command-line tools.

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Comment utiliser Systemctl pour gérer les services et les unités de Systemd — step-by-step DevOps tutorial on Progressive Robot

Comment utiliser Systemctl pour gérer les services et les unités de Systemd

Systemd est un gestionnaire de systèmes d’initialisation et de systèmes qui est devenu la nouvelle norme pour les distributions Linux. Au cours de ce guide, nous allons discuter de la commande systemctl, qui est l’outil de gestion essentiel pour contrôler le système d’initialisation. Nous allons voir de quelle la manière vous pouvez gérer les services, vérifier les états, modifier les états du système et travailler avec les fichiers de configuration.

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