Prefacio

La Guía de Administrador del Sistema contiene información sobre como personalizar el sistema Fedora 27 para que se ajuste a sus necesidades. Si está buscando una guía completa y orientada a tareas para la configuración y personalización de su sistema, este es el manual para usted.

Este manual trata muchos temas intermedios como los siguientes:

  • Instalación y administración de paquetes usando DNF

  • Configuración de Apache HTTP Server, Postfix, Sendmail y otros servidores y software de clase empresarial

  • Trabajando con los módulos del núcleo y actualizando el núcleo

Algunos de los procedimientos gráficos y localizaciones de menú son específicos de GNOME, pero la mayoría de las instrucciones de línea de comandos serán aplicables universalmente.

Audiencia Objetivo

La Guía de Administrador del Sistema asume que tiene un conocimiento básico del sistema operativo Fedora. Si necesita ayuda con la instalación de este sistema, vea la Guía de Instalación Fedora.

Como Leer este Libro

Este manual se divide en las siguientes categorías principales:

Configuración Básica del Sistema

Esta parte cubre tareas básicas de administración del sistema como configuración del teclado, configuración de fecha y hora, administración de usuarios y grupos y obtención de privilegios.

Abriendo Aplicaciones Gráficas describe los métodos para abrir aplicaciones Interfaz Gráfica de Usuario o GUI en diversos entornos.

Configuración Regional del Sistema y Teclado cubre el ajusta básico de idioma y teclado. Lea este capitulo si necesita configurar el idioma de su escritorio, cambiar el esquema de teclado o agregar el esquema de distribución del teclado al panel..

Configuring the Date and Time covers the configuration of the system date and time. Read this chapter if you need to set or change the date and time.

Managing Users and Groups covers the management of users and groups in a graphical user interface and on the command line. Read this chapter if you need to manage users and groups on your system, or enable password aging.

Gaining Privileges covers ways to gain administrative privileges using setuid programs such as su and sudo.

Package Management

Esta parte describe como administrar paquetes de software en Fedora usando DNF.

DNF describes the DNF package manager. Read this chapter for information how to search, install, update, and uninstall packages on the command line.

Infrastructure Services

Esta parte suministra información sobre como configurar servicios y demonios, configurar la autenticación y habilitar los accesos remotos.

Services and Daemons covers the configuration of the services to be run when a system is started, and provides information on how to start, stop, and restart the services on the command line using the systemctl utility.

OpenSSH describes how to enable a remote login via the SSH protocol. It covers the configuration of the sshd service, as well as a basic usage of the ssh, scp, sftp client utilities. Read this chapter if you need a remote access to a machine.

TigerVNC describes the virtual network computing (VNC) method of graphical desktop sharing which allows you to remotely control other computers.

Servers

Esta parte desarrolla diversos temas relacionados con los servidores como, por ejemplo, como ajustar un servidor Web o compartir ficheros y directorios en la red.

Web Servers focuses on the Apache HTTP Server, a robust, full-featured open source web server developed by the Apache Software Foundation. Read this chapter if you need to configure a web server on your system.

Mail Servers reviews modern email protocols in use today, and some of the programs designed to send and receive email, including Postfix, Sendmail, Fetchmail, and Procmail. Read this chapter if you need to configure a mail server on your system.

Directory Servers covers the installation and configuration of OpenLDAP, an open source implementation of the LDAPv2 and LDAPv3 protocols. Read this chapter if you need to configure a directory server on your system.

File and Print Servers guides you through the installation and configuration of Samba, an open source implementation of the Server Message Block (SMB) protocol, and vsftpd, the primary FTP server shipped with Fedora. Additionally, it explains how to use the Printer Configuration tool to configure printers. Read this chapter if you need to configure a file or print server on your system.

Configuring NTP Using the chrony Suite covers the installation and configuration of the chrony suite, a client and a server for the Network Time Protocol (NTP). Read this chapter if you need to configure the system to synchronize the clock with a remote NTP server, or set up an NTP server on this system.

Configuring NTP Using ntpd covers the installation and configuration of the NTP daemon, ntpd, for the Network Time Protocol (NTP). Read this chapter if you need to configure the system to synchronize the clock with a remote NTP server, or set up an NTP server on this system, and you prefer not to use the chrony application.

Configuring PTP Using ptp4l covers the installation and configuration of the Precision Time Protocol application, ptp4l, an application for use with network drivers that support the Precision Network Time Protocol (PTP). Read this chapter if you need to configure the system to synchronize the system clock with a master PTP clock.

Monitoring and Automation

En esta parte se describen diversas herramientas que permiten a los administradores de sistemas monitorizar el rendimiento del sistema, automatizar tareas de sistema e informar de errores.

System Monitoring Tools discusses applications and commands that can be used to retrieve important information about the system. Read this chapter to learn how to gather essential system information.

Viewing and Managing Log Files describes the configuration of the rsyslog daemon, and explains how to locate, view, and monitor log files. Read this chapter to learn how to work with log files.

Automating System Tasks provides an overview of the cron, at, and batch utilities. Read this chapter to learn how to use these utilities to perform automated tasks.

OProfile covers OProfile, a low overhead, system-wide performance monitoring tool. Read this chapter for information on how to use OProfile on your system.

Kernel, Module and Driver Configuration

Esta parte cubre diversas herramientas que ayudan a los administradores con la personalización del núcleo.

Working with the GRUB 2 Boot Loader der>> describes the GNU GRand Unified Boot loader (GRUB) version 2 boot loader, which enables selecting an operating system or kernel to be loaded at system boot time.

Manually Upgrading the Kernel provides important information on how to manually update a kernel package using the rpm command instead of dnf. Read this chapter if you cannot update a kernel package with the DNF package manager.

Working with Kernel Modules explains how to display, query, load, and unload kernel modules and their dependencies, and how to set module parameters. Additionally, it covers specific kernel module capabilities such as using multiple Ethernet cards and using channel bonding. Read this chapter if you need to work with kernel modules.

RPM

Este apéndice se concentra en RPM Package Manager (RPM), un sistema abierto de empaquetamiento usado por Fedora y el uso de la utilidad rpm. Lea este apéndice si necesita usar rpm en lugar de dnf.

The Wayland Display Server

Este apéndice mira a Wayland, un nuevo servidor de visualización usando en GNOME para Fedora y como solucionar problemas con el servidor de visualización Wayland.

¡Necesitamos de sus comentarios!

If you find a typographical error in this manual, or if you have thought of a way to make this manual better, we would love to hear from you! Please submit a report in Bugzilla.

If you have a suggestion for improving the documentation, try to be as specific as possible when describing it. If you have found an error, please include the section number and some of the surrounding text so we can find it easily.

Reconocimientos

Certain portions of this text first appeared in the Red Hat Enterprise Linux 7 System Administrator’s Guide, copyright © 2014–2017 Red Hat, Inc., available at https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/System_Administrators_Guide/index.html.

Los autores de este libro desean agradecer a las siguientes personas por sus valiosas contribuciones: Adam Tkáč, Andrew Fitzsimon, Andrius Benokraitis, Brian Cleary Edward Bailey, Garrett LeSage, Jeffrey Fearn, Joe Orton, Joshua Wulf, Karsten Wade, Lucy Ringland, Marcela Mašláňová, Mark Johnson, Michael Behm, Miroslav Lichvár, Radek Vokál, Rahul Kavalapara, Rahul Sundaram, Sandra Moore, Zbyšek Mráz, Jan Včelák, Peter Hutterer, T.C. Hollingsworth y James Antill, entre muchos otros.