When you first log into a fresh Fedora 21 or RHEL server, it’s not ready for use as a production system. There are a number of recommended steps to take in order to customize and secure it, e.g. enabling a firewall. This tutorial will show you how to give a fresh installation of a Fedora 21 server a better security profile and be ready for use.
This article will cover the pros and cons of using virtual memory or a swap file (paging), determining if your droplet already uses virtual memory or paging, the differences between a swap partition and a swap file, information on how to create a swap file, and how to configure the system’s “swappiness” (how likely it is to use virtual memory as well as determining the appropriate size to use).
ファイルの検索は、オペレーティングシステムを問わずごく一般的なタスクです。Linuxの「find」と「locate」コマンドは、どちらもファイルシステムのファイルの検索に使用します。このガイドでは、これら2つのツールを使用して、個別にファイルのクエリを作成する方法を説明します。
The more time you spend on the Linux command line, the more you will begin to realize that you tend to use the same commands, parameters, and sequences repeatedly. Luckily, bash allows you to create aliases and and bash functions to help reduce typing and accomplish complex, repeated tasks quickly and efficiently. In this guide, we’ll discuss the general syntax and go over some helpful examples.
A glossary of technical terms for the the cloud provider community.
![Como criar um novo usuário com sudo no Ubuntu 18.04 [Guia de Início Rápido] — 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-ubuntu-18-04-quickstart-pt-77268-featured.png "Como criar um novo usuário com sudo no Ubuntu 18.04 [Guia de Início Rápido] 6")
O comando sudo fornece um mecanismo para a concessão de privilégios de administrador (normalmente, apenas disponível para o usuário root) para usuários normais. Este guia mostrará como criar um novo usuário com acesso sudo no Ubuntu 18.04, sem precisar modificar o…
This tutorial explores the history of Linux by way of Unix, and outlines some popular Linux distributions.
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 Debian 9 installation.
Rsync es una herramienta para sincronizar directorios locales y remotos de manera inteligente. En este artículo, analizaremos el funcionamiento básico de esta utilidad para copiar archivos de un directorio a otro y de un sistema a otro.
YUM is a software package management utility used in many popular Linux distributions, including Fedora and CentOS. YUM is a front-end for the RPM package manager, meaning that it manages packages in the .rpm file format.
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