CompTIA's Linux+ certification is a globally-recognized, vendor neutral exam. The Linux+ exam (XK1-003) is a substantive revision with updates on applications, networking, and security. Our new study guide is aligned to cover all of the material of the updated 2009 exam with special attention to the new topics including troubleshooting Web-related services, understanding DNS record types and resolving them, and the basics of SELinux security. The study guide will cover installing applications, configuring the base system, using BASH, and securing and maintaining Linux. After reading this book, not only will you be able to ace the exam but you will be able to maintain, troubleshoot, and install Linux as workstations and servers. Special Features Include: Covers everything from test taking techniques to advanced topics - keeping the beginner and intermediate IT professional in mind Layout of the guide parallels the 2009 Linux+ objectives for ease of study More than just a book, this kit includes a self test, tiered questions, and two practice exams Covers everything from test taking techniques to advanced topics - keeping the beginner and intermediate IT professional in mindLayout of the guide parallels the 2009 Linux+ objectives for ease of studyMore than just a book, this kit includes a self test, tiered questions, and two practice exams
Author(s): Brian Barber, Kevin Riggins, Chris Happel, Terrence V. Lillard, Graham Speake
Edition: 1st
Year: 2009
Language: English
Pages: 464
Front Cover......Page 1
Title Page......Page 4
Copyright Page......Page 5
Table of Contents......Page 6
About the Authors......Page 12
Benefits of Certification......Page 14
The Approach......Page 15
The Chapters......Page 16
Networking......Page 19
Summary......Page 20
Unique Terms and Definitions......Page 22
A Note about Hardware......Page 23
Installing from Local Media......Page 27
Linux Installation Process......Page 28
Welcome Screen......Page 31
System Probing and Installation Mode......Page 32
Clock and Time Zone......Page 35
Desktop Selection......Page 36
Suggested Partitioning......Page 37
User Settings......Page 38
Installation Settings......Page 40
Perform Installation......Page 41
Manual Configuration......Page 43
Hostname and Domain Name......Page 44
Network Configuration......Page 45
Installing Across the Network......Page 46
Laying Out the Filesystem......Page 51
Logical Volume Manager......Page 59
Redundant Array of Independent Disk......Page 60
RAID Levels......Page 61
Summary of Exam Objectives......Page 63
Self Test......Page 66
Self Test Quick Answer Key......Page 69
Unique Terms and Definitions......Page 72
Filesystem Types......Page 73
Local......Page 76
Network......Page 78
The mount and umount Commands......Page 79
/etc/fstab......Page 80
Partitions......Page 81
Directories......Page 88
Filesystem Management......Page 90
Checking Disk Usage......Page 91
Quotas......Page 92
Check and Repair Filesystems......Page 93
Loopback Devices......Page 94
Network File System......Page 95
Swap......Page 97
Summary of Exam Objectives......Page 99
Self Test......Page 100
Self Test Quick Answer Key......Page 103
Unique Terms and Definitions......Page 104
Introduction......Page 105
GRUB......Page 108
Installing GRUB and Booting Linux......Page 109
GRUB Configuration Files and Commands......Page 110
Linux Seven Runlevels......Page 115
Troubleshooting Boot Issues......Page 118
Summary of Exam Objectives......Page 122
Self Test......Page 124
Self Test Quick Answer Key......Page 127
Introduction......Page 128
User Profiles......Page 129
System and User Profile and Environment Variables......Page 130
lspci......Page 135
/sys......Page 137
modprobe and modprobe.conf File......Page 138
Configuring the Interface......Page 140
TCP/IP Ports......Page 145
Managing Connectivity......Page 147
Summary of Exam Objectives......Page 157
Self Test......Page 158
Self Test Quick Answer Key......Page 162
Unique Terms and Definitions......Page 164
Introduction......Page 165
BASH Commands......Page 166
Navigating Directories......Page 167
Using File Commands......Page 168
Editing Files Using vi......Page 179
Managing Processes......Page 181
Leveraging I/O Redirection......Page 188
Special Devices......Page 193
Using System Documentation......Page 194
Using Virtual Consoles......Page 197
Accessing Kernel and Architecture Information......Page 198
Basic Scripting......Page 199
Using Shell Features......Page 200
cron (cron allow, cron deny)......Page 201
atq......Page 202
/etc/init.d......Page 203
inetd and xinetd......Page 204
chkconfig......Page 205
Summary of Exam Objectives......Page 206
Self Test......Page 207
Endnotes......Page 210
Introduction......Page 212
Install, Remove, and Update Programs......Page 213
Red Hat Package Manager......Page 215
deb......Page 222
Advanced Packaging Tool......Page 223
Compiling and Installing Applications from Source......Page 228
Archive Files......Page 230
Resolving Application Dependencies......Page 232
Yum Repositories......Page 233
Summary of Exam Objectives......Page 234
Self Test......Page 236
Self Test Quick Answer Key......Page 239
Introduction......Page 242
CUPS Overview......Page 243
Enable and Disable Queues......Page 244
Printing Commands......Page 247
Starting and Stopping X11......Page 249
Difference between X11 Clients and Server......Page 250
Window Managers......Page 251
Multiple Desktops......Page 253
X Window System Directories......Page 256
Terminal Emulators......Page 257
Summary of Exam Objectives......Page 258
Self Test......Page 259
Self Test Quick Answer Key......Page 263
Unique Terms and Definitions......Page 264
Network Services......Page 265
Dynamic Host Configuration Protocol......Page 266
Domain Name Server......Page 269
Network Time Protocol......Page 272
Windows Interoperability......Page 274
Web Services......Page 278
Remote Access from the Command Line......Page 279
Apache (HTTP) and Tomcat......Page 280
File Transfer Protocol......Page 286
Squid......Page 287
Application Services......Page 289
Printing......Page 290
Mail......Page 292
Sendmail......Page 293
MySQL......Page 296
Summary of Exam Objectives......Page 298
Self Test......Page 299
Self Test Quick Answer Key......Page 303
Unique Terms and Definitions......Page 304
Managing and Monitoring User and Group Accounts......Page 305
Tools......Page 306
Files......Page 312
File Permissions and Ownership......Page 317
Tools......Page 318
Special Permissions......Page 324
SELinux Basics......Page 325
Implementing Privilege Escalation......Page 326
su......Page 327
/etc/sudoers......Page 328
nmap......Page 329
Wireshark......Page 330
Nessus......Page 331
Checksum and File Verification Utilities......Page 333
sha1sum......Page 334
Implementing Remote Access......Page 335
SSH......Page 336
VNC......Page 339
PAM......Page 340
LDAP......Page 342
Summary of Exam Objectives......Page 343
Self Test......Page 344
Self Test Quick Answer Key......Page 347
Endnotes......Page 348
Unique Terms and Definitions......Page 350
Commands......Page 351
Load Average......Page 353
Analyzing Logs......Page 355
Common Log Files......Page 356
Rotating Logs......Page 357
Searching and Interpreting Log Files......Page 358
Backing Up and Restoring......Page 361
Copying Data......Page 363
Archiving and Restoring Commands......Page 367
Writing to Removable Media (CD-RW, DVD-RW)......Page 371
Summary of Exam Objectives......Page 373
Self Test......Page 374
Self Test Quick Answer Key......Page 378
Endnotes......Page 379
Appendix: Self Test......Page 380
Glossary......Page 448
Index......Page 458
