A Brief History of Linux
This tutorial explores the history of Linux by way of Unix, and outlines some popular Linux distributions.
Etapas Adicionais Recomendadas para Novos Servidores CentOS 7
Depois de definir a configuração mínima para um novo servidor, existem algumas etapas adicionais que são altamente recomendadas na maioria dos casos. Neste guia, continuaremos a configuração de nossos servidores, abordando alguns procedimentos recomendados, mas opcionais.
How To Add Swap on Ubuntu 12.04
Linux swaps allow a system to harness more memory than was originally physically available. Here’s how to set up a linux swap file on Ubuntu 12.04
Добавление области подкачки на Ubuntu 20.04
Одним из способов защиты от ошибок, связанных с недостатком памяти в приложениях, является добавление области подкачки на вашем сервере. В этом руководстве мы расскажем, как добавить файл подкачки на сервер Ubuntu 20.04. [warning] Предупреждение. Хотя подкачка в целом…<$>
How To Configure ProFTPd To Use SFTP Instead of FTP
ProFTPd is a popular FTP server for transferring files between your local computer and server. However, FTP as a protocol is very insecure. In this guide, we will show you how to configure ProFTPd to use SFTP, a secure alternative, instead of FTP.
![How To Create a New Sudo-enabled User on CentOS 8 [Quickstart] — step-by-step Linux tutorial on Progressive Robot](https://www.progressiverobot.com/wp-content/uploads/2026/05/how-to-create-a-new-sudo-enabled-user-on-centos-8-quickstart-77253-featured.png "How To Create a New Sudo-enabled User on CentOS 8 [Quickstart] 6")
How To Create a New Sudo-enabled User on CentOS 8 [Quickstart]
This guide will show you how to create a new user with sudo access on CentOS 8, without having to modify your server’s /etc/sudoers file.
How To Handle apt-key and add-apt-repository Deprecation Using gpg to Add External Repositories on Ubuntu 22.04
apt-key is a utility used to manage the keys that APT uses to authenticate packages. It’s closely related to the add-apt-repository utility, which adds external repositories using keyservers to an APT installation’s list of trusted sources. Starting with Ubuntu 20.10, the use of apt-key yields a warning that the tool will be deprecated in the near future; likewise, add-apt-repository will also soon be deprecated.
How To Protect SSH with Fail2Ban on Ubuntu 20.04
Fail2ban is a service that can be run on your server to dynamically block clients that repeatedly fail to authenticate correctly with your services . This can help mitigate the affect of brute force attacks and illegitimate users of your services. In this guide, we’ll demonstrate how to install and configure fail2ban to protect SSH on an Ubuntu 20.04 server.
How To Set Up a Remote Desktop with X2Go on Ubuntu 18.04
X2Go provides a working “cloud desktop,” complete with all the advantages of an always-online, remotely-accessible, easily-scalable computing system with a very fast network. It is also more responsive and more secure than many VNC solutions. In this tutorial, you’ll use X2Go to create an XFCE desktop environment that you can access remotely. This “cloud desktop” will include the exact same utilities that you would obtain had you installed Ubuntu 20.04 and XFCE on your local machine.
Como configurar as chaves SSH no CentOS
O SSH, ou shell seguro, é um protocolo criptografado usado para administrar e se comunicar com servidores. Ao trabalhar com um servidor CentOS, existem boas chances de você gastar a maior parte do seu tempo em uma sessão de terminal conectada ao seu servidor através do…
