Linux Basics

How to Set Up SSH Keys on Debian 11 — step-by-step Linux tutorial on Progressive Robot

How to Set Up SSH Keys on Debian 11

SSH, or secure shell, is an encrypted protocol used to administer and communicate with servers. When working with a Debian server, chances are you will spend most of your time in a terminal session connected to your server through SSH. In this guide, we’ll focus on setting…

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Ubuntu 20.04でSSHの鍵をセットアップする方法 — step-by-step Linux tutorial on Progressive Robot

Ubuntu 20.04でSSHの鍵をセットアップする方法

本ガイドでは、Ubuntu 20.04インストール用のSSHの鍵をセットアップすることに焦点を合わせます。SSHの鍵は、サーバーに簡単かつ安全にログインすることができるため、すべてのユーザーに推奨されています。

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How To Set Up vsftpd for a User's Directory on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up vsftpd for a User’s Directory on Ubuntu 20.04

FTP, which is short for File Transfer Protocol, is a network protocol that was once widely used for moving files between a client and server. vsftpd, very secure FTP daemon, is an FTP server for many Unix-like systems, including Linux. In this tutorial, you’ll configure vsftpd to allow a user to upload files to their home directory using FTP with login credentials secured by SSL/TLS. You’ll also connect your server using FileZilla, an open-source FTP client, to test the TLS encryption.

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How To Upgrade to Ubuntu 22.04 Jammy Jellyfish — step-by-step Linux tutorial on Progressive Robot

How To Upgrade to Ubuntu 22.04 Jammy Jellyfish

The Ubuntu operating system’s latest Long Term Support (LTS) release, Ubuntu 22.04 (Focal Fossa), was released on April 21, 2020. This guide will explain how to upgrade an Ubuntu system of version 20.04 or later to Ubuntu 22.04.

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How To Use Nmap to Scan for Open Ports — step-by-step Linux tutorial on Progressive Robot

How To Use Nmap to Scan for Open Ports

Nmap is a great tool for discovering the network services and ports that your server is exposing to the network. In this guide, we will discuss some basic information about networking ports and how you can use nmap to find your weaknesses.

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Первоначальная настройка сервера с CentOS 8 — step-by-step Linux tutorial on Progressive Robot

Первоначальная настройка сервера с CentOS 8

При создании нового сервера CentOS 8 необходимо выполнить ряд действий по настройке незамедлительно в рамках процесса базовой настройки. Это поможет повысить уровень безопасности и удобство работы с сервером и послужит прочной основой последующих действий.

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