머릿말

시스템 관리자 안내는 Fedora 33 시스템을 필요한 목적에 맞는 최적화 방법에 대한 정보를 포함합니다. 만약 당신은 구성을 위해 업무-지향적인 안내에 대한 이해와 자신의 시스템을 최적화를 추구하고자 한다면, 이는 당신을 위한 설명서입니다.

이 설명서는 다음과 같은 많은 중간 주제에 대해 토의합니다:

  • [application]*DNF*를 사용하는 꾸러미 설치와 관리하기

  • 아파치 HTTP 서버, Postfix, Sendmail 구성하기와 다른 기업용-등급의 서버와 소프트웨어

  • 커널 모듈 작업과 커널 향상하기

몇몇 그래픽 절차와 메뉴 위치는 그놈에만 해당되나, 대부분의 명령 줄 지시는 보편적으로 적용될 것입니다.

대상 청중

The System Administrator’s Guide assumes you have a basic understanding of the Fedora operating system. If you need help with the installation of this system, refer to the Fedora Installation Guide.

이 책을 읽는 방법

이 설명서는 다음과 같은 주요 범주로 나눠집니다:

Basic System Configuration

이 부분은 키보드 구성, 날짜와 시간 구성, 사용자와 그룹관리, 권한 얻기와 같은 기본적인 시스템 관리 구성을 담당합니다.

Opening Graphical Applications describes methods for opening Graphical User Interface, or GUI, applications in various environments.

System Locale and Keyboard Configuration covers basic language and keyboard setup. Read this chapter if you need to configure the language of your desktop, change the keyboard layout, or add the keyboard layout indicator to the 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

이 부분은 [application]*DNF*를 사용하는 Fedora에서 소프트웨어 꾸러미를 관리하는 방법을 설명합니다.

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

이 부분은 서비스와 데몬을 구성하고, 인증을 구성하며, 원격 로그인을 활성화하는 방법에 대한 정보를 제공합니다.

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

This part discusses various topics related to servers such as how to set up a Web server or share files and directories over the network.

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

이 부분은 시스템 관리자가 시스템 성능을 모니터링, 시스템 업무 자동화, 그리고 결점보고를 할 수 있는 다양한 도구를 설명합니다.

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

이 부분에서는 관리자의 커널 사용자 지정을 지원하는 다양한 도구를 다룹니다.

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

This appendix concentrates on the RPM Package Manager (RPM), an open packaging system used by Fedora, and the use of the rpm utility. Read this appendix if you need to use rpm instead of dnf.

웨이랜드 표시 서버

This appendix looks at Wayland, a new display server used in GNOME for Fedora and how to troubleshoot issues with the Wayland display server.

우리는 응답을 기대합니다

만약 당신이 오류를 찾았거나 향상을 위한 제안을 가지고 있으면, 우리는 당신의 조언을 원합니다. https://pagure.io/에서 문제를 열어주세요.

문제에서:

  1. 문제 주제 부분란에 간단한 오류 요약이나 당신의 제안을 제공하세요.

  2. 다음 템플릿트를 언급 부분에 복사하고 특별히 당신이 할 수 있는 한 상세한 오류 또는 제안을 우리에게 제공해주세요. 만약 가능하다면, 오류가 발생한 위치의 주변 텍스트를 포함해 주고 알맞은 제안을 우리에게 알려주세요.

    문서 URL:
    
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    오류 또는 제안:
    
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  3. Create Issue 누름 단추를 눌러주세요.

Acknowledgments

Certain portions of this text first appeared in the Red Hat Enterprise Linux 7 System Administrator’s Guide, copyright © 2014–2020 Red Hat, Inc., available at https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/System_Administrators_Guide/index.html.

Monitoring Performance with Net-SNMP is based on an article written by Michael Solberg.

The authors of this book would like to thank the following people for their valuable contributions: 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, and James Antill, among many others.