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UNIX管理:有效系统和网络管理的全面资料集-UNIX Administration: A Comprehensive Sourcebook for Effective Systems & N文件编号:56

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标题(title):UNIX Administration: A Comprehensive Sourcebook for Effective Systems & Network Management
UNIX管理:有效系统和网络管理的全面资料集
作者(author):Bozidar Levi
出版社(publisher):CRC-Press
大小(size):6 MB (6154296 bytes)
格式(extension):pdf
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To configure and maintain an operating system is serious business. With UNIX and its wide variety of "flavors," it can be especially difficult and frustrating, and networking with UNIX adds still more challenges.UNIX Administration: A Comprehensive Sourcebook for Effective Systems & Network Management is a one-stop handbook for the administration and maintenance of UNIX systems and networks. With an outstanding balance of concepts and practical matters, it covers the entire range of administrative tasks, from the most basic to the advanced, from system startup and shutdown to network security and kernel reconfiguration. While focusing on the primary UNIX platforms, the author discusses all of the most common UNIX "flavors," including Solaris, Linux, HP-UX, AIX and SGI IRIX. Three chapters of case studies offer a practical look at UNIX implementation issues: UNIX installation, disk space upgrade, and several emergency situations that every administrator must expect to face at some point.Diverse yet detailed, filled with examples and specific procedures, this is the one book that both the novice and the seasoned professional need to learn UNIX administration and effectively perform their daily system and network-related duties.
Table of contents :
UNIX Administration......Page 2
INTERNET and COMMUNICATIONS......Page 3
Preface......Page 6
About the Author......Page 9
Contents......Page 10
UNIX Operating System......Page 24
User’s View of UNIX......Page 26
The History of UNIX......Page 27
System V or ATT UNIX......Page 28
UNIX System and Network Administration......Page 32
System Administrator’s Job......Page 34
Computing Policies......Page 37
Legal Acts......Page 40
Code of Ethics......Page 41
Organizations......Page 42
Standardization......Page 44
In This Book......Page 46
Introduction......Page 48
File Ownership......Page 49
Access Classes......Page 53
Setting a File Protection......Page 54
Default File Mode......Page 55
Additional Access Modes......Page 56
Access Control Lists ( ACLs)......Page 60
File Types......Page 63
Special Device File......Page 64
Link......Page 65
Socket......Page 66
Devices and Special Device Files......Page 67
Special File Creation......Page 69
Process Parameters......Page 71
Process Attributes......Page 72
Process States......Page 73
Process Creation......Page 74
Monitoring Process Activities......Page 76
Destroying Processes......Page 80
Job Control......Page 82
Becoming a Superuser......Page 83
The su Command......Page 84
The man Command......Page 85
The whatis Database......Page 89
The uname Command......Page 90
The dmesg Command......Page 91
Hardware Information......Page 92
The HP- UX ioscan Command......Page 93
The Solaris prtconf Command......Page 95
Personal Documentation......Page 96
Shell Script Programming......Page 97
UNIX Shell Scripts......Page 98
Shell Script Execution......Page 99
Shell Variables......Page 100
Double Command- Line Scanning......Page 101
Few Tips......Page 104
Introductory Notes......Page 105
System Startup......Page 106
The Bootstrap Program......Page 107
The Kernel Execution......Page 108
Terminal Line Initialization......Page 109
System States......Page 110
The Outlook of a Startup Procedure......Page 111
Initialization Scripts......Page 113
BSD Initialization Sequence......Page 114
System V Initialization......Page 116
The Configuration File / etc/ inittab......Page 117
System V rc Initialization Scripts......Page 119
BSD- Like Initialization......Page 124
The BSD shutdown Command......Page 126
The System V shutdown Command......Page 127
An Example......Page 128
Introduction to the UNIX Filesystem......Page 129
BSD Filesystem Directory Organization......Page 130
System V Filesystem Directory Organization......Page 133
Mounting and Dismounting Filesystems......Page 134
Mounting a Filesystem......Page 135
The mount Command......Page 137
Dismounting a Filesystem......Page 139
Removable Media Management......Page 140
BSD Filesystem Configuration File......Page 141
System V Filesystem Configuration File......Page 143
AIX Filesystem Configuration File......Page 145
The Filesystem Status File......Page 148
Filesystem Types......Page 149
Swap Space — Paging and Swapping......Page 151
Loopback Virtual Filesystem......Page 153
Display Filesystem Statistics: The df Command......Page 154
Report on Disk Usage: The du Command......Page 156
Checking Filesystems: The fsck Command......Page 159
Introduction......Page 163
Physical Filesystem Layout......Page 164
Disk Partitions......Page 165
Filesystem Structures......Page 167
Filesystem Creation......Page 168
The newfs Command......Page 169
Index Node ( inode)......Page 170
Filesystem Performance Issues......Page 172
File Storage vs. File Transfer......Page 174
Logical Filesystem Layout......Page 175
Logical Volume Manager — AIX Flavor......Page 176
Logical Volume Manager — HP-UX Flavor......Page 178
Logical Volume Manager — Solaris Flavor......Page 180
Redundant Array of Inexpensive Disks ( RAID)......Page 183
The Volume Snapshot......Page 184
The Filesystem Snapshot......Page 185
Virtual UNIX Filesystem......Page 187
Disk Space Upgrade......Page 188
Users and Groups......Page 189
User Database — File /etc/ passwd......Page 190
Creating User Home Directories......Page 192
UNIX Login Initialization......Page 193
User Login Initialization Files......Page 194
Systemwide Login Initialization Files......Page 196
Shell Initialization Files......Page 198
Utilities to Create User Accounts......Page 201
Restricted User Accounts......Page 205
Assigning User Passwords......Page 206
Standard UNIX Users and Groups......Page 207
Removing User Accounts......Page 208
Managing Disk Usage by Users......Page 209
Accounting......Page 210
System V Accounting......Page 212
AIX-Flavored Accounting......Page 216
UNIX Lines of Defense......Page 217
Passwords......Page 218
Encryption......Page 219
Password Encryption......Page 220
Choosing a Password......Page 221
Setting Password Restrictions......Page 222
Usual Approach......Page 223
Other Approaches......Page 224
Secure Console and Terminals......Page 226
Secure Terminals — Other Approaches......Page 227
Important Files for System Security......Page 229
Monitoring System Activities......Page 230
The su Log File......Page 231
Tracking User Activities......Page 232
The Concept of System Logging......Page 233
The syslogd Daemon......Page 234
The Configuration File /etc/syslog.conf......Page 236
Linux Logging Enhancements......Page 240
Testing System Logging......Page 241
The last Command......Page 244
Limiting the Growth of Log Files......Page 245
UNIX Printing Subsystem......Page 247
The lpr, lpq, and lprm Commands......Page 249
Managing the BSD Printing Subsystem......Page 250
System V Printing Subsystem......Page 251
The lp, lpstat, and cancel Commands......Page 252
Managing the System V Printing Subsystem......Page 254
The / etc/ printcap File......Page 256
Setting the BSD Default Printer......Page 259
Filters......Page 260
The Printer Database Directory Hierarchy on System V......Page 263
AIX Printing Facilities......Page 266
Adding a Local BSD Printer......Page 269
Adding a Local Linux Printer......Page 270
Adding a Local System V Printer......Page 271
Adding a Remote BSD Printer......Page 272
Adding a Remote Linux Printer......Page 273
Adding a Remote System V Printer......Page 274
Solaris and BSD Cross- Printing......Page 276
Third- Party Printer Spooling Systems......Page 279
BSD Terminal Subsystem......Page 280
BSD Terminal Line Initialization......Page 281
The BSD termcap Database......Page 285
System V Terminal Line Initialization......Page 288
The System V terminfo Database......Page 291
Configuration Data Summary......Page 295
The tset Command......Page 296
The tput Command......Page 297
The stty Command......Page 298
Pseudo Terminals......Page 300
Terminal Servers......Page 302
Introduction......Page 303
Media......Page 304
The tar Command......Page 306
The cpio Command......Page 308
The dd Command......Page 309
The mt Command......Page 310
Magnetic Tape Devices and Special Device Files......Page 311
Planning a Backup Schedule......Page 312
The SVR3 and SVR4 backup Commands......Page 314
The fbackup Command......Page 316
The dump/ufsdump Command......Page 317
A Few Examples......Page 320
The SVR3 restore Command......Page 324
The restore/ufsrestore Command......Page 325
Interactive Restore......Page 326
The frecover Command......Page 328
Restoring Multiple Filesystems Archived on a Single Tape......Page 329
Tape Control......Page 330
The NTP Daemon......Page 333
The NTP Configuration File......Page 334
Periodic Program Execution......Page 339
The UNIX cron Daemon......Page 340
The crontab Files......Page 342
The crontab Command......Page 344
Linux Approach......Page 345
Programs Scheduled for a Specific Time......Page 347
The UNIX at Utility......Page 348
Batch Processing......Page 350
The UNIX batch Utility......Page 351
UNIX and Networking......Page 352
Local Area Network ( LAN)......Page 353
CSMA/ CD Networks......Page 354
Token Passing Networks......Page 355
Wide Area Network ( WAN)......Page 356
A TCP/ IP Overview......Page 357
ISO OSI Reference Model......Page 358
TCP/ IP Protocol Architecture......Page 361
Network Access Layer......Page 363
Internet Protocol ( IP)......Page 364
Internet Control Message Protocol ( ICMP)......Page 365
Transmission Control Protocol ( TCP)......Page 366
Application Layer......Page 368
IP Address Classes......Page 370
Internet Routing......Page 373
The route Command......Page 375
Dynamic Routing......Page 376
The gated Daemon......Page 377
Protocols, Ports, and Sockets......Page 378
UNIX Database Files......Page 380
Address Resolution ( ARP)......Page 381
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