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Linux Administration Handbook, 2nd Edition

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Linux Administration Handbook, 2nd Edition

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About

Features

Major revision of must-have guide for Linux administrators working in production environments.

° Full section on LVM, Logical Voume Manager, subsystem for on-line disk storage management

° X11 basic administration and

° Significantly expanded coverage of patch management

° Nagios, open source host and network monitoring program

Description

  • Copyright 2007
  • Edition: 2nd
  • Book
  • ISBN-10: 0-13-148004-9
  • ISBN-13: 978-0-13-148004-9

“As this book shows, Linux systems are just as functional, secure, and reliable as their proprietary counterparts. Thanks to the ongoing efforts of thousands of Linux developers, Linux is more ready than ever for deployment at the frontlines of the real world. The authors of this book know that terrain well, and I am happy to leave you in their most capable hands.”
—Linus Torvalds
“The most successful sysadmin book of all time—because it works!”
—Rik Farrow, editor of ;login:
“This book clearly explains current technology with the perspective of decades of experience in large-scale system administration. Unique and highly recommended.”
—Jonathan Corbet, cofounder, LWN.net
“Nemeth et al. is the overall winner for Linux administration: it’s intelligent, full of insights, and looks at the implementation of concepts.”
—Peter Salus, editorial director, Matrix.net

Since 2001, Linux Administration Handbook has been the definitive resource for every Linux® system administrator who must efficiently solve technical problems and maximize the reliability and performance of a production environment. Now, the authors have systematically updated this classic guide to address today’s most important Linux distributions and most powerful new administrative tools.

The authors spell out detailed best practices for every facet of system administration, including storage management, network design and administration, web hosting, software configuration management, performance analysis, Windows interoperability, and much more. Sysadmins will especially appreciate the thorough and up-to-date discussions of such difficult topics such as DNS, LDAP, security, and the management of IT service organizations.

Linux® Administration Handbook, Second Edition, reflects the current versions of these leading distributions:

  • Red Hat® Enterprise Linux®
  • FedoraTM Core
  • SUSE® Linux Enterprise
  • Debian® GNU/Linux
  • Ubuntu® Linux

Sharing their war stories and hard-won insights, the authors capture the behavior of Linux systems in the real world, not just in ideal environments. They explain complex tasks in detail and illustrate these tasks with examples drawn from their extensive hands-on experience.

Sample Content

Table of Contents

Foreword to the First Edition xxxiii

Preface xxxiv

Acknowledgments xxxvii

Section One: Basic Administration 1

Chapter 1: Where to Start 3

Suggested background 4

Linux’s relationship to UNIX 4

Linux in historical context 5

Linux distributions 6

Notation and typographical conventions 9

Where to go for information 11

How to find and install software 14

Essential tasks of the system administrator 16

System administration under duress 18

Recommended reading 19

Exercises 20

Chapter 2: Booting and Shutting Down 21

Bootstrapping 21

Booting PCs 25

Using boot loaders: LILO and GRUB 26

Booting single-user mode 31

Working with startup scripts 32

Rebooting and shutting down 40

Exercises 43

Chapter 3: Rootly Powers 44

Ownership of files and processes 44

The superuser 46

Choosing a root password 47

Becoming root 48

Other pseudo-users 51

Exercises 52

Chapter 4: Controlling Processes 53

Components of a process 53

The life cycle of a process 56

Signals 57

kill and killall: send signals 60

Process states 60

nice and renice: influence scheduling priority 61

ps: monitor processes 62

top: monitor processes even better 65

The /proc filesystem 65

strace: trace signals and system calls 66

Runaway processes 67

Recommended reading 69

Exercises 69

Chapter 5: The Filesystem 70

Pathnames 72

Filesystem mounting and unmounting 73

The organization of the file tree 75

File types 76

File attributes 81

Access control lists 88

Exercises 92

Chapter 6: Adding New Users 93

The /etc/passwd file 93

The /etc/shadow file 99

The /etc/group file 101

Adding users 102

Removing users 107

Disabling logins 108

Managing accounts 108

Exercises 110

Chapter 7: Adding a Disk 111

Disk interfaces 111

Disk geometry 119

Linux filesystems 120

An overview of the disk installation procedure 122

hdparm: set IDE interface parameters 129

fsck: check and repair filesystems 131

Adding a disk: a step-by-step guide 133

Advanced disk management: RAID and LVM 138

Mounting USB drives 147

Exercises 148

Chapter 8: Periodic Processes 150

cron: schedule commands 150

The format of crontab files 151

Crontab management 153

Some common uses for cron 154

Other schedulers: anacron and fcron 156

Exercises 157

Chapter 9: Backups 158

Motherhood and apple pie 159

Backup devices and media 163

Setting up an incremental backup regime with dump 169

Restoring from dumps with restore 173

Dumping and restoring for upgrades 176

Using other archiving programs 177

Using multiple files on a single tape 178

Bacula 179

Commercial backup products 197

Recommended reading 198

Exercises 198

Chapter 10: Syslog and Log Files 201

Logging policies 201

Linux log files 204

logrotate: manage log files 208

Syslog: the system event logger 209

Condensing log files to useful information 220

Exercises 222

Chapter 11: Software and Configuration Management 223

Basic Linux installation 223

Diskless clients 232

Package management 234

High-level package management systems 237

Revision control 247

Localization and configuration 255

Configuration management tools 260

Sharing software over NFS 263

Recommended software 266

Recommended reading 268

Exercises 268

Section Two: Networking 269

Chapter 12: TCP/IP Networking 271

TCP/IP and the Internet 272

Networking road map 275

Packets and encapsulation 276

IP

Index

Download the Index from this book.

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