Ubuntu Guide.pdf 10909KB Mar 29 2010 05 - Directory UMM

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Logging Out 517 Bringing the System Down 518 Crash 519 Avoiding a Trojan Horse 520 Getting Help 522 Textual System Administration Utilities 522 kill: Sends a Signal to a Process 522 Other Textual Utilities 525 Setting Up a Server 527 Standard Rules in Configuration Files 528 rpcinfo: Displays Information About portmap 530 The inetd and xinetd Superservers 531 Securing a Server 532 DHCP: Configures Network Interfaces 538 nsswitch.conf: Which Service to Look at First 542 How nsswitch.conf Works 542 PAM 545 More Information 546 Configuration Files, Module Types, and Control Flags 546 Example 548 Modifying the PAM Configuration 549 Chapter Summary 550 Exercises 551 Advanced Exercises 551 Contents xxi Chapter 13: Files, Directories, and Filesystems 553 Important Files and Directories 554 File Types 566 Ordinary Files, Directories, Links, and Inodes 566 Special Files 567 Filesystems 570 mount: Mounts a Filesystem 572 umount: Unmounts a Filesystem 575 fstab: Keeps Track of Filesystems 576 fsck: Checks Filesystem Integrity 577 tune2fs: Changes Filesystem Parameters 578 RAID Filesystem 580 Chapter Summary 580 Exercises 580 Advanced Exercises 581
Page 2: ® Praise for A Practical Guide to
Page 6: A Practical Guide to Ubuntu Linux
Page 10: A Practical Guide to Ubuntu Linux M
Page 14: For my dad, Morton Sobell, who taug
Page 18: Brief Contents Contents xi Preface
Page 22: Contents Preface xxxvi Chapter 1: W
Page 26: Graphical Partitioners 53 gparted:
Page 30: Contents xv Working with Files 149
Page 34: Running a Program in the Background
Page 38: Network Utilities 372 Trusted Hosts
Page 44: xxii Contents Chapter 14: Downloadi
Page 48: xxiv Contents Scheduling Tasks 668
Page 52: xxvi Contents FTP Server (vsftpd) 7
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Page 60: xxx Contents Sharing an Internet Co
Page 64: xxxii Contents Appendix C: Security
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Page 72: xxxvi Preface Overlap If you read A
Page 76: xxxviii Preface Key Topics Covered
Page 80: xl Preface ◆ APT downloads and in
Page 84: xlii Preface using bash, with the d
Page 88: xliv Preface Vish II, Senior Educat
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2 Chapter 1 Welcome to Linux Intern
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4 Chapter 1 Welcome to Linux What t
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6 Chapter 1 Welcome to Linux In add
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8 Chapter 1 Welcome to Linux Propri
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10 Chapter 1 Welcome to Linux Anoth
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12 Chapter 1 Welcome to Linux Linux
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14 Chapter 1 Welcome to Linux Devic
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16 Chapter 1 Welcome to Linux Figur
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18 Chapter 1 Welcome to Linux menu
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20 Chapter 1 Welcome to Linux Chapt
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24 Chapter 2 Installation Overview
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46 Chapter 3 Step-by-Step Installat
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88 Chapter 4 Introduction to Ubuntu
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100 Chapter 4 Introduction to Ubunt
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146 Chapter 5 The Linux Utilities S
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148 Chapter 5 The Linux Utilities $
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150 Chapter 5 The Linux Utilities S
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156 Chapter 5 The Linux Utilities N
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160 Chapter 5 The Linux Utilities b
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162 Chapter 5 The Linux Utilities T
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164 Chapter 5 The Linux Utilities A
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172 Chapter 5 The Linux Utilities i
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174 Chapter 5 The Linux Utilities C
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176 Chapter 5 The Linux Utilities c
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178 Chapter 5 The Linux Utilities i
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182 Chapter 5 The Linux Utilities 6
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184 Chapter 6 The Linux Filesystem
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220 Chapter 7 The Shell The Command
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222 Chapter 7 The Shell hyphens in
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224 Chapter 7 The Shell optional Th
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226 Chapter 7 The Shell Standard in
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228 Chapter 7 The Shell CONTROL-D s
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230 Chapter 7 The Shell Utilities t
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232 Chapter 7 The Shell output to a
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234 Chapter 7 The Shell Pipes The s
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236 Chapter 7 The Shell Another way
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238 Chapter 7 The Shell Determining
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240 Chapter 7 The Shell To practice
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242 Chapter 7 The Shell $ echo [aei
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244 Chapter 7 The Shell bash, give
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246 Chapter 7 The Shell c. List the
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252 Chapter 8 Linux GUIs: X and GNO
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276 Chapter 9 The Bourne Again Shel
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354 Chapter 10 Networking and the I
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Figure 10-1 A Slice of the Internet
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396 Chapter 11 Programming the Bour
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486 Chapter 12 System Administratio
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612 Chapter 15 Printing with CUPS I
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When you install Samba, the dpkg po
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634 Chapter 15 Printing with CUPS 8
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636 Chapter 16 Building a Linux Ker
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658 Chapter 17 Administration Tasks
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694 Chapter 18 Configuring a LAN Se
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800 Chapter 23 NFS: Sharing Filesys
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886 Chapter 26 firestarter and ipta
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972 Appendix A Regular Expressions
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982 Appendix B Help Solving a Probl
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984 Appendix B Help Table B-1 Docum
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986 Appendix B Help Words Many dict
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988 Appendix B Help Table B-4 Softw
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992 Appendix C Security Encryption
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994 Appendix C Security can be prop
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996 Appendix C Security security to
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998 Appendix C Security and much do
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1000 Appendix C Security fiberoptic
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1002 Appendix C Security • Provid
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1004 Appendix C Security Two other
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1006 Appendix C Security • Many m
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1008 Appendix C Security Table C-1
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1012 Appendix D The Free Software D
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1014 Appendix D The Free Software D
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1016 Appendix E The Linux 2.6 Kerne
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1022 Glossary 10.0.0.0 See private
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1024 Glossary ASP Application servi
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1026 Glossary block number Disk and
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1028 Glossary catenate To join sequ
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1030 Glossary command line A line c
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1032 Glossary current (process, lin
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1034 Glossary DMZ Demilitarized zon
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1036 Glossary exit status The statu
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1038 Glossary full duplex The abili
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1040 Glossary hidden file A file wh
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1042 Glossary installation A comput
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1044 Glossary Kerberos An MIT-devel
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1046 Glossary log in To gain access
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1048 Glossary metropolitan area net
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1050 Glossary network address Netwo
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1052 Glossary packet filtering A te
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1054 Glossary printable character p
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1056 Glossary data because accessin
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1058 Glossary ROM is nonvolatile st
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1060 Glossary computer’s main mem
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1062 Glossary SSH Communications Se
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1064 Glossary symbolic link A direc
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1066 Glossary TTL Time to live. 1.
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1068 Glossary it maintains those an
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1070 Glossary X server The X server
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1072 Index .htpasswd file, 962 .inp
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1074 Index : (null) builtin, 444, 4
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1076 Index Apache, continued JumpSt
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1078 Index Backup, continued increm
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1080 Index Bracket, 1026 character
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1082 Index Classless Inter-Domain R
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1084 Index cp versus ln, 210 cpdir
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1086 Index Desktop, continued resol
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1088 Index Directory, continued rem
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1090 Index Downloading Ubuntu, 37 B
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1092 Index exim4, continued JumpSta
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1094 Index File, continued /var lib
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1096 Index File, continued syslog,
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1098 Index Foreground, 14, 237 back
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1100 Index GUI, 27, 1038 check box,
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1102 Index Indentation. See Indenti
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1104 Index iptables, continued matc
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1106 Index Keyword, searching for u
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1108 Index magic number database, 5
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1110 Index mount utility, 559, 572,
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1112 Index Network, continued stati
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1114 Index Number, continued magic,
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1116 Index Partition, continued del
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1118 Index Private key, 993 Privile
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1120 Index Regular expression, 971,
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1122 Index Samba, continued testpar
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1124 Index security directory, 545,
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1126 Index Shell variable, continue
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1128 Index SSL Apache, 959 email, 7
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1130 Index System administration, c
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1132 Index tiff filename extension,
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1134 Index Utility, 1067 accept, 62
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1136 Index Utility, continued reboo
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1138 Index Virtual console, 64, 136
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1140 Index Working with root privil
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