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Linux Bible 10th edition [Pehme köide]

4.27/5 (463 hinnangut Goodreads-ist)

Christopher Negus (Gig Harbor, Washington)

Formaat: Paperback / softback, 928 pages, kõrgus x laius x paksus: 234x188x46 mm, kaal: 1270 g
Sari: Bible
Ilmumisaeg: 08-Jun-2020
Kirjastus: John Wiley & Sons Inc
ISBN-10: 1119578884
ISBN-13: 9781119578888

Teised raamatud teemal:

Linux

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Formaat: Paperback / softback, 928 pages, kõrgus x laius x paksus: 234x188x46 mm, kaal: 1270 g
Sari: Bible
Ilmumisaeg: 08-Jun-2020
Kirjastus: John Wiley & Sons Inc
ISBN-10: 1119578884
ISBN-13: 9781119578888

Teised raamatud teemal:

Linux

Püsilink: https://www.kriso.ee/db/9781119578888.html

Märksõnad:

Operating systems (Computers)

The industry favorite Linux guide

Linux Bible, 10th Edition is the ultimate hands-on Linux user guide, whether you're a true beginner or a more advanced user navigating recent changes. This updated ninth edition covers the latest versions of Red Hat Enterprise Linux 7 (RHEL 8), Fedora 30, and Ubuntu 18.10 LTS, and includes new information on cloud computing and development with guidance on Openstack and Cloudforms. With a focus on RHEL 8, this practical guide gets you up to speed quickly on the new enhancements for enterprise-quality file systems, the new boot process and services management, firewalld, and the GNOME 3 desktop. Written by a Red Hat expert, this book provides the clear explanations and step-by-step instructions that demystify Linux and bring the new features seamlessly into your workflow.

This useful guide assumes a base of little or no Linux knowledge, and takes you step by step through what you need to know to get the job done.

Get Linux up and running quickly
Master basic operations and tackle more advanced tasks
Get up to date on the recent changes to Linux server system management
Bring Linux to the cloud using Openstack and Cloudforms
Simplified Linux administration through the Cockpit Web Interface
Automated Linux Deployment with Ansible
Learn to navigate Linux with Amazon (AWS), Google (GCE), and Microsofr Azure Cloud services

Linux Bible, 10th Edition is the one resource you need, and provides the hands-on training that gets you on track in a flash.

Acknowledgments

Introduction

xxxv

Part I Getting Started

(58)

Chapter 1 Starting with Linux

(24)

Understanding What Linux Is

(2)

Understanding How Linux Differs from Other Operating Systems

(1)

Exploring Linux History

(9)

Free-flowing UNIX culture at Bell Labs

(2)

Commercial UNIX

(1)

Berkeley Software Distribution arrives

(1)

UNIX Laboratory and commercialization

(1)

GNU transitions UNIX to freedom

(1)

BSD loses some steam

(1)

Linus builds the missing piece

(1)

OSI open source definition

(2)

Understanding How Linux Distributions Emerged

(3)

Choosing a Red Hat distribution

(1)

Using Red Hat Enterprise Linux

(1)

Using Fedora

(1)

Choosing Ubuntu or another Debian distribution

(1)

Finding Professional Opportunities with Linux Today

(6)

Understanding how companies make money with Linux

(1)

Becoming Red Hat certified

(1)

RHCSA topics

(1)

RHCE topics

(2)

Summary

(2)

Chapter 2 Creating the Perfect Linux Desktop

(32)

Understanding Linux Desktop Technology

(2)

Starting with the Fedora GNOME Desktop Live image

(1)

Using the GNOME 3 Desktop

(15)

After the computer boots up

(1)

Navigating with the mouse

(4)

Navigating with the keyboard

(2)

Setting up the GNOME 3 desktop

(1)

Extending the GNOME 3 desktop

(1)

Using GNOME shell extensions

(1)

Using the GNOME Tweak Tool

(1)

Starting with desktop applications

(1)

Managing files and folders with Nautilus

(1)

Installing and managing additional software

(2)

Playing music with Rhythmbox

(1)

Stopping the GNOME 3 desktop

(1)

Using the GNOME 2 Desktop

(11)

Using the Metacity window manager

(1)

Changing GNOME's appearance

(1)

Using the GNOME panels

(1)

Using the Applications and System menus

(1)

Adding an applet

(1)

Adding another panel

(1)

Adding an application launcher

(1)

Adding a drawer

(1)

Changing panel properties

(1)

Adding 3D effects with AIGLX

(3)

Summary

(1)

Exercises

(2)

Part II Becoming a Linux Power User

(106)

Chapter 3 Using the Shell

(32)

About Shells and Terminal Windows

(3)

Using the shell prompt

(1)

Using a Terminal window

(2)

Using virtual consoles

(1)

Choosing Your Shell

(1)

Running Commands

(6)

Understanding command syntax

(3)

Locating commands

(2)

Recalling Commands Using Command History

(6)

Command-line editing

(2)

Command-line completion

(1)

Command-line recall

(2)

Connecting and Expanding Commands

(3)

Piping between commands

(1)

Sequential commands

(1)

Background commands

(1)

Expanding commands

(1)

Expanding arithmetic expressions

(1)

Expanding variables

(1)

Using Shell Variables

(3)

Creating and using aliases

(2)

Exiting the shell

(1)

Creating Your Shell Environment

(4)

Configuring your shell

(1)

Setting your prompt

(2)

Adding environment variables

(1)

Getting Information about Commands

(2)

Summary

(1)

Exercises

(3)

Chapter 4 Moving Around the Filesystem

(20)

Using Basic Filesystem Commands

(2)

Using Metacharacters and Operators

(3)

Using file-matching metacharacters

(1)

Using file-redirection metacharacters

(2)

Using brace expansion characters

101

(1)

Listing Files and Directories

101

(4)

Understanding File Permissions and Ownership

105

(4)

Changing permissions with chmod (numbers)

106

(1)

Changing permissions with chmod (letters)

107

(1)

Setting default file permission with umask

108

(1)

Changing file ownership

109

(1)

Moving, Copying, and Removing Files

109

(2)

Summary

111

(1)

Exercises

111

(2)

Chapter 5 Working with Text Files

113

(18)

Editing Files with vim and vi

113

(7)

Starting with vi

115

(1)

Adding text

115

(1)

Moving around in the text

116

(1)

Deleting, copying, and changing text

117

(1)

Pasting (putting) text

118

(1)

Repeating commands

118

(1)

Exiting vi

118

(1)

Skipping around in the file

119

(1)

Searching for text

119

(1)

Using ex mode

120

(1)

Learning more about vi and vim

120

(1)

Finding Files

120

(9)

Using locate to find files by name

121

(1)

Searching for files with find

122

(1)

Finding files by name

123

(1)

Finding files by size

124

(1)

Finding files by user

124

(1)

Finding files by permission

125

(1)

Finding files by date and time

125

(1)

Using `not' and `or' when finding files

126

(1)

Finding files and executing commands

127

(1)

Searching in files with grep

128

(1)

Summary

129

(1)

Exercises

129

(2)

Chapter 6 Managing Running Processes

131

(16)

Understanding Processes

131

(1)

Listing Processes

132

(5)

Listing processes with ps

132

(2)

Listing and changing processes with top

134

(2)

Listing processes with System Monitor

136

(1)

Managing Background and Foreground Processes

137

(3)

Starting background processes

138

(1)

Using foreground and background commands

139

(1)

Killing and Renicing Processes

140

(3)

Killing processes with kill and killall

140

(1)

Using kill to signal processes by PID

140

(1)

Using killall to signal processes by name

141

(1)

Setting processor priority with nice and renice

142

(1)

Limiting Processes with cgroups

143

(1)

Summary

144

(1)

Exercises

145

(2)

Chapter 7 Writing Simple Shell Scripts

147

(18)

Understanding Shell Scripts

147

(16)

Executing and debugging shell scripts

148

(1)

Understanding shell variables

149

(1)

Special shell positional parameters

150

(1)

Reading in parameters

151

(1)

Parameter expansion in bash

151

(1)

Performing arithmetic in shell scripts

152

(1)

Using programming constructs in shell scripts

153

(1)

The "if...then" statements

153

(3)

The case command

156

(1)

The "for...do" loop

157

(1)

The "while...do" and "until...do" loops

158

(1)

Trying some useful text manipulation programs

159

(1)

The general regular expression parser

159

(1)

Remove sections of lines of text (cut)

159

(1)

Translate or delete characters (tr)

160

(1)

The stream editor (sed)

160

(1)

Using simple shell scripts

161

(1)

Telephone list

161

(1)

Backup script

162

(1)

Summary

163

(1)

Exercises

163

(2)

Part III Becoming a Linux System Administrator

165

(140)

Chapter 8 Learning System Administration

167

(28)

Understanding System Administration

167

(2)

Using Graphical Administration Tools

169

(5)

Using Cockpit browser-based administration

169

(2)

Using system-config-* tools

171

(2)

Using other browser-based admin tools

173

(1)

Using the root User Account

174

(4)

Becoming root from the shell (su command)

175

(1)

Allowing administrative access via the GUI

176

(1)

Gaining administrative access with sudo

176

(2)

Exploring Administrative Commands, Configuration Files, and Log Files

178

(7)

Administrative commands

178

(1)

Administrative configuration files

179

(4)

Administrative log files and systemd journal

183

(1)

Using journalctl to view the systemd journal

184

(1)

Managing log messages with rsyslogd

184

(1)

Using Other Administrative Accounts

185

(1)

Checking and Configuring Hardware

186

(7)

Checking your hardware

187

(2)

Managing removable hardware

189

(2)

Working with loadable modules

191

(1)

Listing loaded modules

191

(1)

Loading modules

192

(1)

Removing modules

192

(1)

Summary

193

(1)

Exercises

193

(2)

Chapter 9 Installing Linux

195

(26)

Choosing a Computer

196

(2)

Installing Fedora from Live Media

198

(3)

Installing Red Hat Enterprise Linux from Installation Media

201

(3)

Understanding Cloud-Based Installations

204

(1)

Installing Linux in the Enterprise

205

(2)

Exploring Common Installation Topics

207

(12)

Upgrading or installing from scratch

207

(1)

Dual booting

208

(1)

Installing Linux to run virtually

209

(1)

Using installation boot options

210

(1)

Boot options for disabling features

210

(1)

Boot options for video problems

210

(1)

Boot options for special installation types

210

(1)

Boot options for kickstarts and remote repositories

211

(1)

Miscellaneous boot options

212

(1)

Using specialized storage

213

(1)

Partitioning hard drives

214

(1)

Understanding different partition types

215

(1)

Tips for creating partitions

215

(2)

Using the GRUB boot loader

217

(2)

Summary

219

(1)

Exercises

219

(2)

Chapter 10 Getting and Managing Software

221

(28)

Managing Software on the Desktop

221

(2)

Going Beyond the Software Window

223

(1)

Understanding Linux RPM and DEB Software Packaging

224

(5)

Understanding DEB packaging

225

(1)

Understanding RPM packaging

226

(1)

What is in an RPM?

226

(1)

Where do RPMs come from?

227

(1)

Installing RPMs

228

(1)

Managing RPM Packages with YUM

229

(12)

Transitioning from yum to dnf

229

(1)

Understanding how yum works

229

(4)

Using YUM with third-party software repositories

233

(1)

Managing software with the yum command

233

(1)

Searching for packages

234

(2)

Installing and removing packages

236

(2)

Updating packages

238

(1)

Updating groups of packages

239

(1)

Maintaining your RPM package database and cache

240

(1)

Downloading RPMs from a YUM repository

241

(1)

Installing, Querying, and Verifying Software with the rpm Command

241

(4)

Installing and removing packages with rpm

241

(1)

Querying rpm information

242

(2)

Verifying RPM packages

244

(1)

Managing Software in the Enterprise

245

(1)

Summary

246

(1)

Exercises

247

(2)

Chapter 11 Managing User Accounts

249

(24)

Creating User Accounts

249

(10)

Adding users with useradd

252

(3)

Setting user defaults

255

(2)

Modifying users with usermod

257

(1)

Deleting users with userdel

258

(1)

Understanding Group Accounts

259

(2)

Using group accounts

259

(1)

Creating group accounts

260

(1)

Managing Users in the Enterprise

261

(8)

Setting permissions with Access Control Lists

262

(1)

Setting ACLs with setfacl

262

(2)

Setting default ACLs

264

(1)

Enabling ACLs

265

(2)

Adding directories for users to collaborate

267

(1)

Creating group collaboration directories (set GID bit)

267

(1)

Creating restricted deletion directories (sticky bit)

268

(1)

Centralizing User Accounts

269

(1)

Summary

270

(1)

Exercises

270

(3)

Chapter 12 Managing Disks and Filesystems

273

(32)

Understanding Disk Storage

273

(2)

Partitioning Hard Disks

275

(10)

Understanding partition tables

275

(1)

Viewing disk partitions

276

(1)

Creating a single-partition disk

277

(4)

Creating a multiple-partition disk

281

(4)

Using Logical Volume Manager Partitions

285

(6)

Checking an existing LVM

286

(3)

Creating LVM logical volumes

289

(1)

Growing LVM logical volumes

290

(1)

Mounting Filesystems

291

(9)

Supported filesystems

291

(2)

Enabling swap areas

293

(1)

Disabling swap area

294

(1)

Using the fstab file to define mountable file systems

295

(2)

Using the mount command to mount file systems

297

(1)

Mounting a disk image in loopback

298

(1)

Using the umount command

299

(1)

Using the mkfs Command to Create a Filesystem

300

(1)

Managing Storage with Cockpit

301

(2)

Summary

303

(1)

Exercises

303

(2)

Part IV Becoming a Linux Server Administrator

305

(258)

Chapter 13 Understanding Server Administration

307

(32)

Starting with Server Administration

308

(8)

Step 1 Install the server

308

(2)

Step 2 Configure the server

310

(1)

Using configuration files

310

(1)

Checking the default configuration

310

(1)

Step 3 Start the server

311

(1)

Step 4 Secure the server

312

(1)

Password protection

312

(1)

Firewalls

313

(1)

TCP Wrappers

313

(1)

SELinux

313

(1)

Security settings in configuration files

314

(1)

Step 5 Monitor the server

314

(1)

Configure logging

314

(1)

Run system activity reports

314

(1)

Watch activity live with Cockpit

314

(1)

Keep system software up to date

315

(1)

Check the filesystem for signs of crackers

315

(1)

Checking and Setting Servers

316

(1)

Managing Remote Access with the Secure Shell Service

316

(10)

Starting the openssh-server service

317

(1)

Using SSH client tools

318

(1)

Using ssh for remote login

318

(2)

Using ssh for remote execution

320

(1)

Copying files between systems with scp and rsync

321

(3)

Interactive copying with sftp

324

(1)

Using key-based (passwordless) authentication

324

(2)

Configuring System Logging

326

(6)

Enabling system logging with rsyslog

326

(1)

Understanding the rsyslog.conf file

327

(2)

Understanding the messages log file

329

(1)

Setting up and using a loghost with rsyslogd

330

(1)

Watching logs with logwatch

331

(1)

Checking System Resources with sar

332

(2)

Checking System Space

334

(2)

Displaying system space with df

334

(1)

Checking disk usage with du

334

(1)

Finding disk consumption with find

335

(1)

Managing Servers in the Enterprise

336

(1)

Summary

336

(1)

Exercises

337

(2)

Chapter 14 Administering Networking

339

(30)

Configuring Networking for Desktops

340

(13)

Checking your network interfaces

342

(1)

Checking your network from NetworkManager

342

(1)

Checking your network from Cockpit

343

(2)

Checking your network from the command line

345

(4)

Configuring network interfaces

349

(1)

Setting IP addresses manually

349

(1)

Setting IP address aliases

350

(1)

Setting routes

351

(1)

Configuring a network proxy connection

352

(1)

Configuring Networking from the Command Line

353

(11)

Configure networking with nmtui

354

(1)

Editing a NetworkManager TUI connection

354

(1)

Understanding networking configuration files

355

(1)

Network interface files

356

(2)

Other networking files

358

(2)

Setting alias network interfaces

360

(1)

Setting up Ethernet channel bonding

361

(2)

Setting custom routes

363

(1)

Configuring Networking in the Enterprise

364

(2)

Configuring Linux as a router

364

(1)

Configuring Linux as a DHCP server

365

(1)

Configuring Linux as a DNS server

365

(1)

Configuring Linux as a proxy server

366

(1)

Summary

366

(1)

Exercises

367

(2)

Chapter 15 Starting and Stopping Services

369

(34)

Understanding the Initialization Daemon (init or systemd)

370

(14)

Understanding the classic init daemons

371

(6)

Understanding systemd initialization

377

(1)

Learning systemd basics

377

(5)

Learning systemd's backward compatibility to SysVinit

382

(2)

Checking the Status of Services

384

(3)

Checking services for SysVinit systems

385

(2)

Stopping and Starting Services

387

(4)

Stopping and starting SysVinit services

387

(2)

Stopping a service with systemd

389

(1)

Starting a service with systemd

389

(1)

Restarting a service with systemd

389

(1)

Reloading a service with systemd

390

(1)

Enabling Persistent Services

391

(3)

Configuring persistent services for SysVinit

391

(1)

Enabling a service with systemd

392

(1)

Disabling a service with systemd

393

(1)

Configuring a Default Runlevel or Target Unit

394

(2)

Configuring the SysVinit default runlevel

394

(2)

Adding New or Customized Services

396

(5)

Adding new services to SysVinit

396

(1)

Step 1 Create a new or customized service script file

396

(2)

Step 2 Add the service script to /etc/rc.d/init.d

398

(1)

Step 3 Set appropriate permission on the script

398

(1)

Step 4 Add the service to runlevel directories

398

(1)

Adding new services to systemd

399

(1)

Step 1 Create a new or customized service configuration unit file

399

(1)

Step 2 Move the service configuration unit file

399

(1)

Step 3 Add the service to the Wants directory

400

(1)

Summary

401

(1)

Exercises

401

(2)

Chapter 16 Configuring a Print Server

403

(24)

Common UNIX Printing System

403

(2)

Setting Up Printers

405

(10)

Adding a printer automatically

405

(1)

Using web-based CUPS administration

406

(1)

Allow remote printing administration

406

(1)

Add a printer not automatically detected

407

(2)

Using the Print Settings window

409

(1)

Configuring local printers with the Print Settings window

409

(3)

Configuring remote printers

412

(1)

Adding a remote CUPS printer

413

(1)

Adding a remote UNIX (LDP/LPR) printer

413

(1)

Adding a Windows (SMB) printer

414

(1)

Working with CUPS Printing

415

(3)

Configuring the CUPS server (cupsd.conf)

415

(2)

Starting the CUPS server

417

(1)

Configuring CUPS printer options manually

417

(1)

Using Printing Commands

418

(2)

Printing with lp

419

(1)

Listing status with lpstat-t

419

(1)

Removing print jobs with lprm

419

(1)

Configuring Print Servers

420

(4)

Configuring a shared CUPS printer

420

(2)

Configuring a shared Samba printer

422

(1)

Understanding smb.conf for printing

422

(1)

Setting up SMB clients

423

(1)

Summary

424

(1)

Exercises

424

(3)

Chapter 17 Configuring a Web Server

427

(28)

Understanding the Apache Web Server

427

(1)

Getting and Installing Your Web Server

428

(4)

Understanding the httpd package

428

(3)

Installing Apache

431

(1)

Starting Apache

432

(17)

Securing Apache

433

(1)

Apache file permissions and ownership

433

(1)

Apache and firewalls

433

(1)

Apache and SELinux

434

(1)

Understanding the Apache configuration files

435

(1)

Using directives

435

(3)

Understanding default settings

438

(2)

Adding a virtual host to Apache

440

(2)

Allowing users to publish their own web content

442

(1)

Securing your web traffic with SSL/TLS

443

(2)

Understanding how SSL is configured

445

(2)

Generating an SSL key and self-signed certificate

447

(1)

Generating a certificate signing request

448

(1)

Troubleshooting Your Web Server

449

(4)

Checking for configuration errors

449

(2)

Accessing forbidden and server internal errors

451

(2)

Summary

453

(1)

Exercises

453

(2)

Chapter 18 Configuring an FTP Server

455

(20)

Understanding FTP

455

(2)

Installing the vsftpd FTP Server

457

(1)

Starting the vsftpd Service

458

(3)

Securing Your FTP Server

461

(4)

Opening up your firewall for FTP

461

(2)

Configuring SELinux for your FTP server

463

(2)

Relating Linux file permissions to vsftpd

465

(1)

Configuring Your FTP Server

465

(4)

Setting up user access

465

(2)

Allowing uploading

467

(1)

Setting up vsftpd for the Internet

468

(1)

Using FTP Clients to Connect to Your Server

469

(4)

Accessing an FTP server from Firefox

470

(1)

Accessing an FTP server with the Iftp command

470

(2)

Using the gFTP client

472

(1)

Summary

473

(1)

Exercises

473

(2)

Chapter 19 Configuring a Windows File Sharing (Samba) Server

475

(24)

Understanding Samba

475

(1)

Installing Samba

476

(2)

Starting and Stopping Samba

478

(4)

Starting the Samba (smb) service

478

(2)

Starting the NetBIOS (nmbd) name server

480

(1)

Stopping the Samba (smb) and NetBIOS (nmb) services

481

(1)

Securing Samba

482

(4)

Configuring firewalls for Samba

482

(2)

Configuring SELinux for Samba

484

(1)

Setting SELinux Booleans for Samba

484

(1)

Setting SELinux file contexts for Samba

485

(1)

Configuring Samba host/user permissions

486

(1)

Configuring Samba

486

(7)

Configuring the [ global] section

486

(1)

Configuring the [ homes] section

487

(2)

Configuring the [ printers] section

489

(1)

Creating a Samba shared folder

489

(1)

Adding the shared folder to Samba

490

(1)

Checking the Samba share

490

(3)

Accessing Samba Shares

493

(4)

Accessing Samba shares in Linux

493

(1)

Accessing Samba shares from a Linux file manager

493

(2)

Mounting a Samba share from a Linux command line

495

(1)

Accessing Samba shares in Windows

496

(1)

Using Samba in the Enterprise

497

(1)

Summary

497

(1)

Exercises

498

(1)

Chapter 20 Configuring an NFS File Server

499

(24)

Installing an NFS Server

502

(1)

Starting the NFS service

502

(1)

Sharing NFS Filesystems

503

(5)

Configuring the /etc/exports file

504

(1)

Hostnames in /etc/exports

505

(1)

Access options in /etc/exports

506

(1)

User mapping options in /etc/exports

506

(1)

Exporting the shared filesystems

507

(1)

Securing Your NFS Server

508

(4)

Opening up your firewall for NFS

508

(2)

Allowing NFS access in TCP wrappers

510

(1)

Configuring SELinux for your NFS server

511

(1)

Using NFS Filesystems

512

(8)

Viewing NFS shares

512

(1)

Manually mounting an NFS filesystem

512

(1)

Mounting an NFS filesystem at boot time

513

(1)

Mounting noauto filesystems

514

(1)

Using mount options

515

(2)

Using autofs to mount NFS filesystems on demand

517

(1)

Automounting to the /net directory

517

(1)

Automounting home directories

518

(2)

Unmounting NFS filesystems

520

(1)

Summary

521

(1)

Exercises

521

(2)

Chapter 21 Troubleshooting Linux

523

(40)

Boot-Up Troubleshooting

523

(19)

Understanding Startup Methods

524

(1)

Starting with System V init scripts

524

(1)

Starting with systemd

525

(1)

Starting from the firmware (BIOS or UEFI)

526

(1)

Troubleshooting BIOS setup

526

(1)

Troubleshooting boot order

527

(1)

Troubleshooting the GRUB boot loader

528

(1)

The GRUB Legacy boot loader

528

(2)

GRUB 2 Boot loader

530

(2)

Starting the kernel

532

(1)

Troubleshooting the initialization system

533

(1)

Troubleshooting System V initialization

533

(1)

Troubleshooting rc.sysinit

533

(1)

Troubleshooting runlevel processes

534

(4)

Troubleshooting systemd initialization

538

(4)

Troubleshooting Software Packages

542

(5)

Fixing RPM databases and cache

545

(2)

Troubleshooting Networking

547

(6)

Troubleshooting outgoing connections

547

(1)

View network interfaces

547

(1)

Check physical connections

548

(1)

Check routes

548

(1)

Check hostname resolution

549

(1)

Troubleshooting incoming connections

550

(1)

Check if the client can reach your system at all

551

(1)

Check if the service is available to the client

551

(1)

Check the firewall on the server

552

(1)

Check the service on the server

553

(1)

Troubleshooting Memory

553

(6)

Uncovering memory issues

554

(2)

Checking for memory problems

556

(2)

Dealing with memory problems

558

(1)

Troubleshooting in Rescue Mode

559

(2)

Summary

561

(1)

Exercises

561

(2)

Part V Learning Linux Security Techniques

563

(128)

Chapter 22 Understanding Basic Linux Security

565

(34)

Implementing Physical Security

565

(15)

Implementing disaster recovery

566

(1)

Securing user accounts

566

(1)

One user per user account

567

(1)

Limiting access to the root user account

567

(1)

Setting expiration dates on temporary accounts

567

(1)

Removing unused user accounts

568

(2)

Securing passwords

570

(1)

Choosing good passwords

570

(1)

Setting and changing passwords

571

(1)

Enforcing best password practices

572

(2)

Understanding the password files and password hashes

574

(2)

Securing the filesystem

576

(1)

Managing dangerous filesystem permissions

576

(1)

Securing the password files

577

(1)

Locking down the filesystem

578

(1)

Managing software and services

579

(1)

Updating software packages

579

(1)

Keeping up with security advisories

580

(1)

Advanced implementation

580

(1)

Monitoring Your Systems

580

(15)

Monitoring log files

581

(3)

Monitoring user accounts

584

(1)

Detecting counterfeit new accounts and privileges

584

(2)

Detecting bad account passwords

586

(1)

Monitoring the filesystem

587

(1)

Verifying software packages

588

(1)

Scanning the filesystem

589

(1)

Detecting viruses and rootkits

590

(5)

Auditing and Reviewing Linux

595

(1)

Conducting compliance reviews

595

(1)

Conducting security reviews

596

(1)

Summary

596

(1)

Exercises

597

(2)

Chapter 23 Understanding Advanced Linux Security

599

(36)

Implementing Linux Security with Cryptography

599

(19)

Understanding hashing

600

(2)

Understanding encryption/decryption

602

(1)

Understanding cryptographic ciphers

602

(1)

Understanding cryptographic cipher keys

603

(5)

Understanding digital signatures

608

(2)

Implementing Linux cryptography

610

(1)

Ensuring file integrity

610

(1)

Encrypting a Linux filesystem at installation

611

(2)

Encrypting a Linux directory

613

(3)

Encrypting a Linux file

616

(1)

Encrypting Linux with miscellaneous tools

616

(1)

Using Encryption from the Desktop

617

(1)

Implementing Linux Security with PAM

618

(15)

Understanding the PAM authentication process

619

(1)

Understanding PAM contexts

619

(1)

Understanding PAM control flags

620

(1)

Understanding PAM modules

621

(1)

Administering PAM on your Linux system

622

(1)

Managing PAM-aware application configuration files

622

(1)

Managing PAM system event configuration files

623

(3)

Implementing time restrictions with PAM

626

(2)

Enforcing good passwords with PAM

628

(4)

Encouraging sudo use with PAM

632

(1)

Obtaining more information on PAM

633

(1)

Summary

633

(1)

Exercises

633

(2)

Chapter 24 Enhancing Linux Security with SELinux

635

(28)

Understanding SELinux Benefits

635

(2)

Understanding How SELinux Works

637

(8)

Understanding Type Enforcement

637

(1)

Understanding Multi-Level Security

638

(1)

Implementing SELinux security models

639

(1)

Understanding SELinux operational modes

639

(1)

Understanding SELinux security contexts

640

(3)

Understanding SELinux Policy types

643

(1)

Understanding SELinux policy rule packages

644

(1)

Configuring SELinux

645

(9)

Setting the SELinux mode

645

(2)

Setting the SELinux policy type

647

(1)

Managing SELinux security contexts

648

(1)

Managing the user security context

649

(1)

Managing the file security context

650

(1)

Managing the process security context

651

(1)

Managing SELinux policy rule packages

651

(2)

Managing SELinux via Booleans

653

(1)

Monitoring and Troubleshooting SELinux

654

(5)

Understanding SELinux logging

654

(1)

Reviewing SELinux messages in the audit log

655

(1)

Reviewing SELinux messages in the messages log

655

(1)

Troubleshooting SELinux logging

656

(1)

Troubleshooting common SELinux problems

657

(1)

Using a nonstandard directory for a service

657

(1)

Using a nonstandard port for a service

658

(1)

Moving files and losing security context labels

658

(1)

Booleans set incorrectly

658

(1)

Putting It All Together

659

(1)

Obtaining More Information on SELinux

659

(1)

Summary

660

(1)

Exercises

660

(3)

Chapter 25 Securing Linux on a Network

663

(28)

Auditing Network Services

663

(9)

Evaluating access to network services with nmap

665

(3)

Using nmap to audit your network services advertisements

668

(4)

Working with Firewalls

672

(16)

Understanding firewalls

673

(1)

Implementing firewalls

674

(1)

Starting with firewalld

675

(2)

Changing firewall rules with Cockpit

677

(1)

Understanding the iptables utility

678

(2)

Using the iptables utility

680

(8)

Summary

688

(1)

Exercises

688

(3)

Part VI Engaging with Cloud Computing

691

(94)

Chapter 26 Shifting to Clouds and Containers

693

(16)

Understanding Linux Containers

694

(3)

Namespaces

695

(1)

Container registries

695

(1)

Base images and layers

696

(1)

Starting with Linux Containers

697

(9)

Pulling and running containers

697

(1)

Pulling a container

697

(1)

Running a shell from a container

698

(1)

Running an FTP server from a container

699

(2)

Starting and stopping containers

701

(1)

Building a container image

702

(1)

Build a simple container image

702

(1)

Build an FTP container from GitHub

703

(2)

Tagging and pushing an image to a registry

705

(1)

Using containers in the enterprise

706

(1)

Summary

706

(1)

Exercises

707

(2)

Chapter 27 Using Linux for Cloud Computing

709

(20)

Overview of Linux and Cloud Computing

710

(3)

Cloud hypervisors (aka compute nodes)

710

(1)

Cloud controllers

711

(1)

Cloud storage

711

(1)

Cloud authentication

712

(1)

Cloud deployment and configuration

712

(1)

Cloud platforms

712

(1)

Trying Basic Cloud Technology

713

(1)

Setting Up a Small Cloud

714

(13)

Configuring hypervisors

715

(1)

Step 1 Get Linux software

715

(1)

Step 2 Check your computers

715

(1)

Step 3 Install Linux on hypervisors

716

(1)

Step 4 Start services on the hypervisors

717

(1)

Step 5 Edit /etc/hosts, or set up DNS

718

(1)

Configuring storage

718

(1)

Step 1 Install Linux software

718

(1)

Step 2 Configure NFS share

719

(1)

Step 3 Start the NFS service

719

(1)

Step 4 Mount the NFS share on the hypervisors

720

(1)

Creating virtual machines

720

(1)

Step 1 Get images to make virtual machines

721

(1)

Step 2 Check the network bridge

721

(1)

Step 3 Start Virtual Machine Manager (virt-manager)

722

(1)

Step 4 Check connection details

722

(1)

Step 5 Create a new virtual machine

722

(2)

Managing virtual machines

724

(1)

Migrating virtual machines

725

(1)

Step 1 Identify other hypervisors

726

(1)

Step 2 Migrate running VM to Other hypervisor

726

(1)

Summary

727

(1)

Exercises

727

(2)

Chapter 28 Deploying Linux to the Cloud

729

(20)

Getting Linux to Run in a Cloud

729

(2)

Creating Linux Images for Clouds

731

(8)

Configuring and running a cloud-init cloud instance

731

(2)

Investigating the cloud instance

733

(1)

Cloning the cloud instance

734

(1)

Expanding your cloud-init configuration

735

(1)

Adding ssh keys with cloud-init

736

(1)

Adding software with cloud-init

737

(1)

Using cloud-init in enterprise computing

738

(1)

Using OpenStack to Deploy Cloud Images

739

(5)

Starting from the OpenStack Dashboard

739

(1)

Configuring your OpenStack virtual network

739

(2)

Configuring keys for remote access

741

(1)

Launching a virtual machine in OpenStack

742

(1)

Accessing the virtual machine via ssh

743

(1)

Using Amazon EC2 to Deploy Cloud Images

744

(2)

Summary

746

(1)

Exercises

746

(3)

Chapter 29 Automating Apps and Infrastructure with Ansible

749

(16)

Understanding Ansible

750

(1)

Exploring Ansible Components

751

(2)

Inventories

751

(1)

Playbooks

752

(1)

Plays

752

(1)

Tasks

752

(1)

Modules

752

(1)

Roles, imports, and includes

753

(1)

Stepping Through an Ansible Deployment

753

(3)

Prerequisites

754

(1)

Setting up SSH keys to each node

754

(2)

Installing Ansible

756

(4)

Creating an inventory

756

(1)

Authenticating to the hosts

757

(1)

Creating a playbook

757

(1)

Run the playbook

758

(2)

Running Ad-Hoc Ansible Commands

760

(2)

Trying ad-hoc commands

761

(1)

Automating Tasks with Ansible Tower Automation Framework

762

(1)

Summary

763

(1)

Exercises

763

(2)

Chapter 30 Deploying Applications as Containers with Kubernetes

765

(20)

Understanding Kubernetes

766

(2)

Kubernetes masters

766

(1)

Kubernetes workers

767

(1)

Kubernetes applications

767

(1)

Kubernetes interfaces

768

(1)

Trying Kubernetes

768

(3)

Getting Kubernetes

769

(1)

Starting the Kubernetes Basics Tutorial

769

(1)

Starting Minikube

770

(1)

Running the Kubernetes Basics tutorial

771

(11)

Get information about your cluster

771

(1)

Deploy a Kubernetes application

772

(1)

Get information on the deployment's pods

773

(3)

Expose applications with services

776

(1)

Label a service

777

(1)

Delete a service

778

(1)

Scale up an application

779

(1)

Check the load balancer

780

(1)

Scale down an application

781

(1)

Enterprise-Quality Kubernetes with OpenShift

782

(1)

Summary

783

(1)

Exercises

783

(2)

Part VII Appendixes

785

(2)

Appendix A Media

787

(10)

Appendix B Exercise Answers

797

(66)

Index

863

Christopher Negus has been teaching and writing about Linux and UNIX for more than 25 years. He is an instructor and principal technical writer for Red Hat, Inc., and the author of dozens of Linux and UNIX books, including Red Hat Linux Bible (all editions), CentOS Bible, Fedora Bible, Ubuntu Linux Toolbox, Linux Troubleshooting Bible, Linux Toys, and Linux Toys II.

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