Solaris 8 Training Guide (310-043): Network Administrator Certification (Exam Gear)

System Administration Guide: Network Services......Page 1
Who Should Use This Book......Page 33
How the System Administration Volumes Are Organized......Page 34
Related Information......Page 35
Typographic Conventions......Page 36
Shell Prompts in Command Examples......Page 37
Network Services Topics......Page 39
Topics for the Solaris 10 Release......Page 41
Perl Compatibility Issues......Page 42
Changes to the Solaris Version of Perl......Page 43
Network Cache and Accelerator (Overview)......Page 45
Managing Web Cache Servers (Task Map)......Page 46
NCA Logging......Page 47
How to Enable Caching of Web Pages......Page 48
How to Enable or Disable NCA Logging......Page 51
How to Add a New Port to the NCA Service......Page 52
NCA Files......Page 53
NCA Architecture......Page 54
NCA to Httpd Request Flow......Page 55
Clock Synchronization (Overview)......Page 57
How to Set Up an NTP Client......Page 58
How to Synchronize Date and Time From Another System......Page 59
Network Time Protocol (Reference)......Page 60
Accessing Network File Systems Topics......Page 61
What\'s New With the NFS Service......Page 63
NFS Servers and Clients......Page 64
About the NFS Service......Page 65
Features of the NFS Service......Page 66
NFS Version 4 Protocol......Page 67
NFS Over UDP......Page 69
NFS Client Failover......Page 70
Solaris 7 Extensions for NFS Mounting......Page 71
Autofs Features......Page 72
Network File System Administration (Tasks)......Page 75
Automatic File-System Sharing......Page 76
How to Enable WebNFS Access......Page 77
How to Enable NFS Server Logging......Page 78
How to Mount a File System at Boot Time......Page 80
How to Mount a File System From the Command Line......Page 81
How to Disable Large Files on an NFS Server......Page 82
How to Use Client-Side Failover......Page 83
How to Mount an NFS File System Through a Firewall......Page 84
How to Mount an NFS File System Using an NFS URL......Page 85
Setting Up NFS Services......Page 86
How to Start the Automounter......Page 87
How to Select Different Versions of NFS on a Server......Page 88
How to Select Different Versions of NFS on a Client by Modifying the /etc/default/nfs File......Page 90
Administering the Secure NFS System......Page 91
How to Set Up a Secure NFS Environment With DH Authentication......Page 92
WebNFS Administration Tasks......Page 94
How to Browse Using an NFS URL......Page 95
Task Map for Autofs Administration......Page 96
Using the /etc/default/autofs File to Configure Your autofs Environment......Page 98
Administrative Tasks Involving Maps......Page 99
How to Modify the Master Map......Page 100
How to Modify Direct Maps......Page 101
How to Access CD-ROM Applications With Autofs......Page 102
Accessing NFS File Systems Using CacheFS......Page 103
Customizing the Automounter......Page 104
How to Set Up /home With Multiple Home Directory File Systems......Page 105
How to Consolidate Project-Related Files Under /ws......Page 106
How to Set Up Different Architectures to Access a Shared Namespace......Page 108
How to Replicate Shared Files Across Several Servers......Page 109
How to Use a Public File Handle With Autofs......Page 110
How to Completely Disable Autofs Browsability on a Single NFS Client......Page 111
How to Disable Autofs Browsability on a Selected File System......Page 112
Strategies for NFS Troubleshooting......Page 113
How to Check Connectivity on an NFS Client......Page 114
How to Check the NFS Server Remotely......Page 115
How to Verify the NFS Service on the Server......Page 117
How to Warm-Start rpcbind......Page 118
Identifying Which Host Is Providing NFS File Service......Page 119
Troubleshooting Autofs......Page 120
Error Messages Generated by automount -v......Page 121
Miscellaneous Error Messages......Page 122
Other Errors With Autofs......Page 123
NFS Error Messages......Page 124
NFS Files......Page 129
Keywords for the /etc/default/nfs File......Page 131
/etc/default/nfslogd File......Page 132
/etc/nfs/nfslog.conf File......Page 133
NFS Daemons......Page 134
lockd Daemon......Page 135
mountd Daemon......Page 136
nfslogd Daemon......Page 137
Configuration Files and nfsmapid......Page 138
nfsmapid and DNS TXT Records......Page 139
Overriding the System\'s Default Domain......Page 140
statd Daemon......Page 141
automount Command......Page 142
mount Command......Page 143
mount Options for NFS File Systems......Page 144
Using the mount Command......Page 146
umount Command......Page 148
mountall Command......Page 149
share Command......Page 150
NFS-Specific share Options......Page 151
Setting Access Lists With the share Command......Page 153
unshare Command......Page 155
showmount Command......Page 156
setmnt Command......Page 157
nfsstat Command......Page 158
pstack Command......Page 160
rpcinfo Command......Page 161
snoop Command......Page 162
truss Command......Page 163
NFS Over RDMA......Page 164
How the NFS Service Works......Page 165
Features in NFS Version 4......Page 166
File-System Namespace in NFS Version 4......Page 167
Volatile File Handles in NFS Version 4......Page 169
Client Recovery in NFS Version 4......Page 170
Delegation in NFS Version 4......Page 172
ACLs and nfsmapid in NFS Version 4......Page 174
Checking for Unmapped User or Group IDs......Page 175
File Transfer Size Negotiation......Page 176
How File Systems Are Mounted......Page 177
Effects of the -public Option and NFS URLs When Mounting......Page 178
Failover Terminology......Page 179
Client-Side Failover in NFS Version 4......Page 180
How NFS Server Logging Works......Page 181
How the WebNFS Service Works......Page 182
How WebNFS Security Negotiation Works......Page 183
Secure NFS System......Page 184
Secure RPC......Page 185
Using Secure RPC With NFS......Page 186
Master Autofs Map......Page 188
Mount Point /net......Page 189
Direct Autofs Maps......Page 190
Mount Point /......Page 191
Indirect Autofs Maps......Page 192
How Autofs Works......Page 193
How Autofs Starts the Navigation Process (Master Map)......Page 195
Simple Autofs Mount......Page 196
Autofs Unmounting......Page 197
How Autofs Selects the Nearest Read-Only Files for Clients (Multiple Locations)......Page 198
Variables in a Map Entry......Page 201
Maps That Refer to Other Maps......Page 202
Executable Autofs Maps......Page 203
Default Autofs Behavior With Name Services......Page 204
Ampersand (&)......Page 206
Autofs and Special Characters......Page 207
SLP Topics......Page 209
SLP Architecture......Page 211
SLP Agents and Processes......Page 212
SLP Implementation......Page 214
Other SLP Information Sources......Page 215
SLP Configuration Considerations......Page 217
Using snoop to Monitor SLP Activity......Page 218
Analyzing a snoop slp Trace......Page 219
Where to Go From Here......Page 221
Configuring SLP Properties......Page 223
Configuration Properties......Page 224
How to Change Your SLP Configuration......Page 225
Modifying DA Advertising and Discovery Frequency......Page 226
How to Limit UAs and SAs to Statically Configured DAs......Page 227
How to Configure DA Discovery for Dial-up Networks......Page 228
Configuring the DA Heartbeat for Frequent Partitions......Page 229
How to Configure DA Heartbeat for Frequent Partitions......Page 230
Reducing SA Reregistrations......Page 231
Configuring the Multicast Time-to-Live Property......Page 232
How to Configure the Multicast Time-to-Live Property......Page 233
Configuring the Packet Size......Page 234
Configuring Broadcast-Only Routing......Page 235
Modifying Timeouts on SLP Discovery Requests......Page 236
How to Change Default Timeouts......Page 237
How to Configure the Random-Wait Bound......Page 239
Deploying Scopes......Page 240
When to Configure Scopes......Page 241
How to Configure Scopes......Page 242
Deploying DAs......Page 243
Why Deploy an SLP DA?......Page 244
How to Deploy DAs......Page 245
Placing Multiple DAs for Load Balancing......Page 246
When to Configure for Nonrouted, Multiple Network Interfaces......Page 247
Configuring the net.slp.interfaces Property......Page 248
How to Configure the net.slp.interfaces Property......Page 249
Proxy Advertising on Multihomed Hosts......Page 250
Considerations When Configuring for Nonrouted, Multiple Network Interfaces......Page 251
Advertising Legacy Services......Page 253
How to Enable SLP Proxy Registration......Page 254
Using SLP Proxy Registration to Advertise......Page 255
Considerations When Advertising Legacy Services......Page 257
SLP Status Codes......Page 259
SLP Message Types......Page 260
Mail Services Topics......Page 263
What\'s New With Mail Services......Page 265
Other sendmail Information Sources......Page 266
Overview of the Hardware Components......Page 267
Mail Services (Tasks)......Page 269
Task Map for Mail Services......Page 270
Planning Your Mail System......Page 271
Local Mail and a Remote Connection......Page 272
Setting Up Mail Services......Page 274
How to Set Up a Mail Server......Page 275
How to Set Up a Mail Client......Page 277
How to Set Up a Mail Host......Page 279
How to Set Up a Mail Gateway......Page 280
How to Use DNS With sendmail......Page 282
Building the sendmail.cf Configuration File......Page 283
How to Build a New sendmail.cf File......Page 284
How to Set SMTP to Use TLS......Page 285
How to Manage Mail Delivery by Using an Alternate Configuration of sendmail.cf......Page 290
Administering Mail Alias Files (Task Map)......Page 292
Administering Mail Alias Files......Page 293
How to List the Contents of the NIS+ mail_aliases Table......Page 294
How to Add Aliases to the NIS+ mail_aliases Table From the Command Line......Page 295
How to Add Entries by Editing an NIS+ mail_aliases Table......Page 296
How to Edit Entries in an NIS+ mail_aliases Table......Page 297
How to Set Up an NIS mail.aliases Map......Page 298
How to Set Up a Local Mail Alias File......Page 299
How to Create a Keyed Map File......Page 300
Managing the postmaster Alias......Page 301
How to Create a Separate Mailbox for postmaster......Page 302
How to Add the postmaster Mailbox to the Aliases in the /etc/mail/aliases File......Page 303
Administering the Queue Directories......Page 304
How to Force Mail Queue Processing in the Mail Queue, /var/spool/mqueue......Page 305
How to Move the Mail Queue, /var/spool/mqueue......Page 306
How to Run the Old Mail Queue, /var/spool/omqueue......Page 307
How to Disable .forward Files......Page 308
How to Change the .forward–File Search Path......Page 309
How to Create and Populate /etc/shells......Page 310
Troubleshooting Procedures and Tips for Mail Services......Page 311
How to Check Mail Aliases......Page 312
How to Test the sendmail Rule Sets......Page 313
Logging Error Messages......Page 314
Other Sources for Mail Diagnostic Information......Page 315
Resolving Error Messages......Page 316
Solaris Version of sendmail......Page 319
Flags Used and Not Used to Compile sendmail......Page 320
MILTER, Mail Filter API for sendmail......Page 321
Versions of the Configuration File......Page 322
Mail Transfer Agent......Page 323
Simple Mail Transfer Protocol (SMTP) Mailers......Page 324
Mail Addresses......Page 325
Typical Format for Mail Addresses......Page 326
Route–Independent Mail Addresses......Page 327
Mailbox Files......Page 328
Mail Aliases......Page 329
Hardware Components......Page 330
Mail Server......Page 331
Mail Gateway......Page 332
Mail Service Programs and Files......Page 333
Contents of the /usr/bin Directory......Page 334
Contents of the /etc/mail Directory......Page 335
Contents of the /etc/mail/cf Directory......Page 336
Other Files Used for Mail Services......Page 338
Interactions of Mail Programs......Page 339
sendmail Program......Page 340
sendmail and Its Rerouting Mechanisms......Page 341
sendmail Features......Page 343
sendmail Configuration File......Page 344
.mailrc Aliases......Page 345
/etc/mail/aliases File......Page 346
NIS aliases Map......Page 347
.forward Files......Page 348
.forward.hostname File......Page 349
/etc/default/sendmail File......Page 350
Mail Addresses and Mail Routing......Page 351
sendmail.cf and Mail Domains......Page 352
Requirements for Name Services......Page 353
Interactions of NIS and sendmail......Page 354
Interactions of NIS+ and sendmail......Page 355
Interactions of sendmail With NIS+ and DNS......Page 356
Support for Running SMTP With TLS in Version 8.13 of sendmail......Page 357
Configuration File Options for Running SMTP With TLS......Page 358
Macros for Running SMTP With TLS......Page 360
Rule Sets for Running SMTP With TLS......Page 361
Additional Command-Line Options in Version 8.13 of sendmail......Page 362
Additional and Revised Configuration File Options in Version 8.13 of sendmail......Page 363
Additional and Revised FEATURE() Declarations in Version 8.13 of sendmail......Page 364
Changes From Version 8.12 of sendmail......Page 365
submit.cf Configuration File From Version 8.12 of sendmail......Page 366
Functional Changes From Version 8.12 of sendmail......Page 367
Additional or Deprecated Command-Line Options From Version 8.12 of sendmail......Page 368
Additional Arguments for the PidFile and ProcessTitlePrefix Options From Version 8.12 of sendmail......Page 369
Additional Defined Macros From Version 8.12 of sendmail......Page 370
Additional MAX Macros From Version 8.12 of sendmail......Page 371
Additional and Revised m4 Configuration Macros From Version 8.12 of sendmail......Page 372
Changes to the FEATURE() Declaration From Version 8.12 of sendmail......Page 373
Changes to the MAILER() Declaration From Version 8.12 of sendmail......Page 375
Additional Delivery Agent Flags From Version 8.12 of sendmail......Page 376
Additional Equates for Delivery Agents From Version 8.12 of sendmail......Page 377
Changes for LDAP From Version 8.12 of sendmail......Page 378
Change to the Built-In Mailer From Version 8.12 of sendmail......Page 379
Additional Rule Sets From Version 8.12 of sendmail......Page 380
sendmail Version 8.12 and IPv6 Addresses in Configuration......Page 381
Serial Networking Topics......Page 383
Solaris PPP 4.0 Basics......Page 385
Why Use Solaris PPP 4.0?......Page 386
Web Sites About PPP......Page 387
Man Pages About PPP......Page 388
Dial-up PPP Overview......Page 389
Parts of the Dial-up PPP Link......Page 390
What Happens During Dial-up Communications......Page 392
Parts of a Leased-Line PPP Link......Page 393
PPP Authentication......Page 395
Why Use PPP Authentication?......Page 396
Support for DSL Users Through PPPoE......Page 397
Parts of a PPPoE Configuration......Page 398
PPPoE Consumers......Page 399
Security on a PPPoE Tunnel......Page 400
Overall PPP Planning (Task Map)......Page 401
Before You Set Up the Dial-out Machine......Page 402
Example of a Configuration for Dial-up PPP......Page 403
Before You Set Up the Leased-Line Link......Page 405
Example of a Configuration for a Leased-Line Link......Page 406
Before You Set Up PPP Authentication......Page 408
Example of a Configuration Using PAP Authentication......Page 409
Example of a Configuration Using CHAP Authentication......Page 411
Where to Go for More Information About Authentication......Page 412
Before Configuring a PPPoE Client......Page 413
Before Configuring a PPPoE Server......Page 414
Example of a Configuration for a PPPoE Tunnel......Page 415
Where to Get More Information About PPPoE......Page 416
Major Tasks for Setting Up the Dial-up PPP Link (Task Map)......Page 417
Tasks for Configuring the Dial-out Machine (Task Map)......Page 418
Configuring Devices on the Dial-out Machine......Page 419
How to Configure the Modem and Serial Port (Dial-out Machine)......Page 420
How to Define Communications Over the Serial Line......Page 421
How to Create the Instructions for Calling a Peer......Page 422
How to Define the Connection With an Individual Peer......Page 423
Tasks for Configuring the Dial-in Server (Task Map)......Page 425
How to Configure the Modem and Serial Port (Dial-in Server)......Page 426
Setting Up Users of the Dial-in Server......Page 427
How to Configure Users of the Dial-in Server......Page 428
How to Define Communications Over the Serial Line (Dial-in Server)......Page 429
Calling the Dial-in Server......Page 430
How to Call the Dial-in Server......Page 431
Setting Up a Leased Line (Task Map)......Page 433
How to Configure Synchronous Devices......Page 434
Prerequisites for Configuring the Local Machine on a Leased Line......Page 435
How to Configure a Machine on a Leased Line......Page 436
Configuring PPP Authentication (Task Map)......Page 439
Setting Up PAP Authentication (Task Maps)......Page 440
How to Create a PAP Credentials Database (Dial-in Server)......Page 441
How to Add PAP Support to the PPP Configuration Files (Dial-in Server)......Page 443
Configuring PAP Authentication for Trusted Callers (Dial-out Machines)......Page 444
How to Configure PAP Authentication Credentials for the Trusted Callers......Page 445
How to Add PAP Support to the PPP Configuration Files (Dial-out Machine)......Page 446
Setting Up CHAP Authentication (Task Maps)......Page 448
How to Create a CHAP Credentials Database (Dial-in Server)......Page 449
Modifying the PPP Configuration Files for CHAP (Dial-in Server)......Page 450
Configuring CHAP Authentication for Trusted Callers (Dial-out Machines)......Page 451
How to Configure CHAP Authentication Credentials for the Trusted Callers......Page 452
How to Add CHAP Support to the PPP Configuration Files (Dial-out Machine)......Page 453
Major Tasks for Setting Up a PPPoE Tunnel (Task Maps)......Page 455
Prerequisites for Setting Up the PPPoE Client......Page 456
How to Define a PPPoE Access Server Peer......Page 457
How to Set Up a PPPoE Access Server......Page 459
How to Modify an Existing /etc/ppp/pppoe File......Page 460
How to Restrict the Use of an Interface to Particular Clients......Page 461
Solving PPP Problems (Task Map)......Page 463
Tools for Troubleshooting PPP......Page 464
How to Obtain Diagnostic Information From pppd......Page 465
How to Turn on PPP Debugging......Page 466
Solving PPP-Related and PPPoE-Related Problems......Page 467
How to Diagnose Network Problems......Page 468
Common Network Problems That Affect PPP......Page 469
How to Diagnose and Fix Communications Problems......Page 470
How to Diagnose Problems With the PPP Configuration......Page 471
How to Diagnose Modem Problems......Page 472
How to Obtain Debugging Information for Chat Scripts......Page 473
Common Chat Script Problems......Page 474
How to Diagnose and Fix Serial-Line Speed Problems......Page 476
How to Obtain Diagnostic Information for PPPoE......Page 477
Fixing Leased-Line Problems......Page 479
Diagnosing and Fixing Authentication Problems......Page 480
Where to Define PPP Options......Page 481
User Privileges......Page 483
Effects of Option Privileges......Page 484
/etc/ppp/options Configuration File......Page 485
Where to Find Examples of the /etc/ppp/options Files......Page 486
Using /etc/ppp/options.ttyname on a Dial-in Server......Page 487
Where to Find Examples of the /etc/ppp/options.ttyname Files......Page 488
Configuring $HOME/.ppprc on a Dial-out Machine......Page 489
/etc/ppp/peers/peer-name File......Page 490
/etc/ppp/peers/myisp.tmpl Template File......Page 491
Where to Find Examples of the /etc/ppp/peers/peer-name Files......Page 492
Contents of the Chat Script......Page 493
Basic Modem Chat Script......Page 494
/etc/ppp/myisp-chat.tmpl Chat Script Template......Page 495
Modem Chat Script for Calling an ISP......Page 496
Basic Chat Script Enhanced for a UNIX-Style Login......Page 497
Chat Script for External ISDN TA......Page 499
How to Invoke a Chat Script (Task)......Page 501
How to Create an Executable Chat Program......Page 502
/etc/ppp/pap-secrets File......Page 503
What Happens During PAP Authentication......Page 504
Challenge-Handshake Authentication Protocol (CHAP)......Page 506
What Happens During CHAP Authentication......Page 507
Assigning Dynamic IP Addresses to Callers......Page 509
Assigning Static IP Addresses to Callers......Page 510
Creating PPPoE Tunnels for DSL Support......Page 511
/etc/ppp/pppoe.if File......Page 512
Examples of sppptun Commands for Administering Interfaces......Page 513
/etc/ppp/pppoe File......Page 514
/etc/ppp/pppoe.device File......Page 516
Using PPPoE and PPP Files to Configure an Access Server......Page 517
/etc/ppp/peers/peer-name File for Defining an Access Server Peer......Page 519
Before Converting asppp Files......Page 523
Example of the /etc/uucp/Systems File......Page 524
Example of the /etc/uucp/Dialers File......Page 525
Task Prerequisites......Page 526
How to View the Results of the Conversion......Page 527
UUCP Hardware Configurations......Page 531
UUCP Daemons......Page 532
UUCP Administrative Programs......Page 533
UUCP Database Files......Page 534
Configuring UUCP Database Files......Page 535
UUCP Administration (Task Map)......Page 537
How to Add UUCP Logins......Page 538
Starting UUCP......Page 539
uudemon.hour Shell Script......Page 540
How to Activate UUCP for TCP/IP......Page 541
UUCP Public Directory......Page 543
How to Check for Faulty Modems or ACUs......Page 544
How to Debug Transmissions......Page 545
Checking Basic Information......Page 546
UUCP /etc/uucp/Systems File......Page 549
Time Field in /etc/uucp/Systems File......Page 550
retry Portion of Time Field......Page 551
Phone Field in /etc/uucp/Systems File......Page 552
Chat-Script Field in /etc/uucp/Systems File......Page 553
Setting Parity in /etc/uucp/Systems File......Page 555
UUCP /etc/uucp/Devices File......Page 556
System-Name Variable......Page 557
Class Field in the /etc/uucp/Devices File......Page 558
Dialer-Token-Pairs Field in the /etc/uucp/Devices File......Page 559
Structure of the Dialer-Token-Pairs Field in the /etc/uucp/Devices File......Page 560
Protocol Definitions in /etc/uucp/Devices File......Page 561
UUCP /etc/uucp/Dialers File......Page 562
Other Basic UUCP Configuration Files......Page 566
UUCP /etc/uucp/Dialcodes File......Page 567
UUCP /etc/uucp/Sysfiles File......Page 568
UUCP Structuring Entries......Page 569
UUCP REQUEST Option......Page 570
UUCP MYNAME Option......Page 571
UUCP CALLBACK Option......Page 572
UUCP COMMANDS Option......Page 573
UUCP VALIDATE Option......Page 574
UUCP Forwarding......Page 576
UUCP /etc/uucp/Config File......Page 577
Relationship Between User and System Job Grades......Page 578
UUCP Permit-type Field......Page 579
UUCP /etc/uucp/Devconfig File......Page 580
UUCP remote.unknown File......Page 581
UUCP Administrative Files......Page 582
UUCP ASSERT Error Messages......Page 583
UUCP STATUS Error Messages......Page 585
UUCP Numerical Error Messages......Page 586
Working With Remote Systems Topics......Page 589
What Is a Remote System?......Page 591
Changes to the FTP Service for the Solaris 10 Release......Page 592
What\'s New for the Solaris 9 FTP Server?......Page 593
Administering the FTP Server (Tasks)......Page 595
Administering the FTP Server (Task Map)......Page 596
Controlling FTP Server Access......Page 597
How to Define FTP Server Classes......Page 598
How to Set User Login Limits......Page 599
How to Control the Number of Invalid Login Attempts......Page 600
How to Disallow FTP Server Access to Particular Users......Page 601
How to Restrict Access to the Default FTP Server......Page 602
How to Set Up Real FTP Users......Page 603
How to Set Up Guest FTP Users......Page 604
How to Set Up Anonymous FTP Users......Page 605
Customizing Message Files......Page 606
How to Customize Message Files......Page 607
How to Create Messages to Be Sent to Users......Page 608
How to Configure the README Option......Page 609
Controlling Access to Files on the FTP Server......Page 610
How to Control File Access Commands......Page 611
How to Control Uploads to the FTP Server......Page 612
How to Control Downloads to the FTP Server......Page 614
How to Enable Limited Virtual Hosting......Page 615
How to Enable Complete Virtual Hosting......Page 617
Starting the FTP Server Automatically......Page 618
How to Start an FTP Server Using SMF......Page 619
How to Start a Standalone FTP Server in the Foreground......Page 620
How to Shut Down the FTP Server......Page 621
How to Check syslogd for FTP Server Messages......Page 622
How to Check the Commands Executed by FTP Users......Page 623
Configuration Help for Busy Sites......Page 624
Accessing Remote Systems (Task Map)......Page 625
Authentication for Remote Logins (rlogin)......Page 626
Security Risks When Using the /etc/hosts.equiv File......Page 627
Linking Remote Logins......Page 628
What Happens After You Log In Remotely......Page 629
How to Search for and Remove .rhosts Files......Page 630
How to Find Out If a Remote System Is Operating......Page 631
How to Log In to a Remote System (rlogin)......Page 632
Logging In to a Remote System (ftp)......Page 633
Essential ftp Commands......Page 634
How to Open an ftp Connection to a Remote System......Page 635
How to Copy Files From a Remote System (ftp)......Page 636
How to Copy Files to a Remote System (ftp)......Page 638
Security Considerations for Copy Operations......Page 640
Specifying Source and Target......Page 641
How to Copy Files Between a Local and a Remote System (rcp)......Page 642
Monitoring Network Services Topics......Page 645
Monitoring Network Performance......Page 647
How to Send Packets to Hosts on the Network......Page 648
How to Check the Network Status......Page 649
Examples—Checking the Network Status......Page 650
How to Display NFS Server and Client Statistics......Page 652
Examples—Displaying NFS Server and Client Statistics......Page 653
Glossary......Page 657
Index......Page 663