............................Contents


Preface	xvii
*Part 1--User Accounts*
1. Setting Up User Accounts
...and Groups	1
...About Setting Up User Accounts and Groups	2
......Using Administration Tool	2
...Policies for User Accounts and Groups	4
......Set a Standard for User Names and User IDs	4
......Passwords	6
......Setting Up Groups	7
......Home Directory	9
......Initialization Files	11
...Password, Shadow, and Group File Information Summary	14
......Fields in the Password File	14
......Fields in the Shadow File	15
......Fields in the Group File	16


......Adding Users to a System and a Network	17
...Instructions for Setting Up User Accounts and Groups	18
......Setting Up Initialization (Skeleton) Files	19
......· How to Set Up the System Initialization File	19
......· How to Set Up the User Initialization File	20
......Adding a Group	21
......· How to Add a Group	22
......Adding a User Account	23
......· How to Add a User Account	23
......Mounting a User's Home Directory	28
......· How to Automount the Home Directory	29
......· How to Manually Mount the Home Directory	29
......Customizing a User's Environment	30
......· How to Customize a User's Environment	30
...User Account Reference Information	35
......Collect and Record User Information	35
......Shell Features	36
......Environment Variables and Shell Variables	37
......Default File Permissions (umask)	41
......Message of the Day	41
2. Administering User Accounts
...and Groups	43
...About Administering User Accounts and Groups	44
......Using Administration Tool	44


......Administering User Accounts	45
......Creating and Modifying Passwords	47
......Administering Groups	48
...Instructions for Administering User Accounts and Groups	49
......Changing a User's Home Directory	49
......· How to Create the New Home Directory	50
......· How to Move the Contents of the Home Directory	52
......Copying Initialization Files into a User's Home Directory	53
......Modifying a User Account	54
......· How to Modify a User Account	55
......Deleting a User Account	57
......· How to Delete a User Account	57
......· How to Disable a User Account	58
...... Modifying or Deleting Groups	58
......· How to Modify a Group	59
......· How to Delete a Group	60
......· How to Create or Change a Password	60
*Part 2--Printing*
3. Setting Up Printers	67
...About Setting Up Printing Services	68
......Types of Print Clients and Print Servers	70
......Using Printer Manager	71
......Network Prerequisites for Setting Up Printing	73
......Local Printer Setup	74


......Print Server Setup	74
......Print Client Setup	74
......Print Server Configurations	75
......System Requirements for a Print Server	76
......Printer Configuration Information	79
......Printer Entries in the terminfo Database	84
...Instructions for Setting Up Printing Using Printer Manager	86
......Adding a Printer	87
......· How to Add a Printer	87
......Setting Up a Client	91
......· How to Set Up a Client	91
......Modifying or Deleting Printer Information	93
......· How to Modify Printer Information	93
......· How to Delete a Printer	94
......Viewing Available Printers	94
......· How to View Available Printers	95
...Reference Information for Setting Up Printing Services	95
......Frequently Used Printers	95
4. Routine Printer Administration	99
...About Routine Printer Administration	100
......Checking the Status of Printers and Print Requests	101
......Managing Print Requests	101
......Making Printers Available	103
......Removing a Printer	104


......Starting and Stopping the LP Print Service Scheduler	104
......Cleaning Out Log Files	105
...Instructions for Performing Routine Printer Administration	105
......· How to Check the Status of Printers and Print Requests	105
......· How to Cancel Print Requests	111
......· How to Accept or Reject Print Requests	112
......· How to Move Print Requests to Another Printer	113
......· How to Change the Priority of a Print Request	114
......· How to Hold, Resume, or Print a Request Next	115
......· How to Enable or Disable a Printer	116
......· How to Remove a Printer From Service	118
......· How to Start or Stop the Print Service Scheduler	120
......· How to Monitor and Clean Out Log Files	122
...Reference Information for Routine Printer Administration	123
......Summary of LP Print Service Commands	124
5. Managing Character Sets, Filters,
...Forms, and Fonts	125
...About Character Sets, Filters, Forms, and Fonts	126
......Setting Up and Administering Character Sets	126
......Setting Up and Administering Print Filters	129
......Setting Up and Administering Forms	130
......Installing and Maintaining PostScript Fonts	132
...Managing Character Sets, Filters, Forms, and Fonts	135
......· How to Set Up Hardware-Mounted or Selectable Character
........Sets	136


......· How to Mount, Unmount, and Set Alerts for Hard Character
........Sets	138
......· How to Add, Change, Remove, or Restore Print Filters	140
......· How to View Print Filter Definitions	142
......· How to Add, Change, or Remove a Form	143
......· How to Mount, Unmount, and Specify Alerts for Forms	145
......· How to Obtain Information About Forms	147
......· How to Allow or Deny User Access to Forms	149
......· How to Allow or Deny Use of Forms on a Printer	150
......· How to Install Downloaded and Host-Resident PostScript
........Fonts	151
6. Setting Printing Policies	153
...About Setting Printing Policies	154
......Controlling the System Printer Destination	154
......Setting Banner Page Policy	155
......Permitting Users to Enable or Disable a Printer	155
......Setting Printer Fault Alerts	156
......Specifying Printer Fault Recovery	157
......Defining Classes of Printers	158
......Adding a Printer Description	159
......Setting Priority Limits	159
......Creating allow and deny Lists	160
......Controlling User Access to Printers	161
...Instructions for Setting Printing Policies	162
......· How to Set the System Printer Destination	162


......· How to Control Printing of Banner Pages	162
......· How to Control Access to enable and disable Commands
........163
......· How to Specify Alerts for Printer Faults	164
......· How to Specify Fault Recovery	165
......· How to Define a Class of Printers	166
......· How to Add a Printer Description	166
......· How to Set Default Priority and Priority Limits for Users
........167
......· How to Allow or Deny Users Access to a Printer	168
7. Troubleshooting Printing Problems	171
...About Troubleshooting Printing Problems	172
......Troubleshooting No Output (Nothing Prints)	172
......Troubleshooting Incorrect Output	174
......Troubleshooting Hung LP Print Service Commands	176
......Troubleshooting Idle (Hung) Printers	177
......Troubleshooting Conflicting Status Messages	178
...Instructions for Troubleshooting Printing Problems	178
......· How to Troubleshoot No Output	179
......· How to Troubleshoot Incorrect Output	199
......· How to Unhang the LP Commands	204
......· How to Troubleshoot an Idle (Hung) Printer	205
......· How to Resolve Conflicting Status Messages	207
*Part 3--Mail*
8. Understanding Mail Services	211


...Components of the Mail Service	211
......Mail Services Programs and Files	212
......Mail Services Terminology	214
...Planning Your Mail System	236
......Local Mail Only	236
......Local Mail and a uucp Connection	237
......One Domain, Two Networks, and a Router	238
......Two Domains and a Gateway	240
...An Overview of the Mail Service	241
......Structure of the Mail Service	241
...How the Mail Service Works	244
......How sendmail Works	244
...... Error Handling	246
......How Mail Addressing Works	247
9. Setting Up and Administering
...Mail Services	251
...Setting Up Mail Services	252
......Setting Up Mail Security	254
......· How to Set Up a Mail Server	254
......· How to Set Up a Mail Client	254
......· How to Set Up a Mail Host	255
......· How to Set Up a Relay Host	256
...Creating Mail Aliases	257
......· How to List the Contents of an NIS+ Aliases Table	257


......· How to Add Aliases to a NIS+ Aliases Table from the
........Command Line	258
......· How to Add Entries by Editing an NIS+ Aliases Table	259
......· How to Change Entries in an NIS+ Aliases Table	259
......· How to Delete Entries from a NIS+ Aliases Table	260
......· How to Set Up NIS Aliases Files	260
......· How to Set Up Local Mail Aliases Files	261
......· How to Set Up DNS Aliases Files	263
......· How to Set Up the Postmaster Alias	264
...Testing the Mail Configuration	265
......· How to Test the Mail Configuration	265
...Administering the Mail Configuration	266
......Duties of the Postmaster	266
......· How to Print the Queue	268
......· How to Force the Queue	268
......· How to Run the Old Mail Queue	269
......System Log	270
...Troubleshooting Tips	272
......· How to Check Aliases	272
......· How to Test the sendmail Program	272
......· How to Verify Connections to Other Systems	273
......Other Diagnostic Information	273
A. Setting Up Printer Services
...Using the Command-Line Interface	275


...About Setting Up Printing Using the LP Print Service
......Command-Line Interface	276
......Print Server Configuration	277
......Printer Configuration Information for LP Print Service
........Commands	279
...Setting Up Printing Services with the Command-Line Interface	280
......· How to Set Up a SunOS 5.x Local Printer	281
......· How to Set Up a SunOS 4.1 Local Printer	288
......· How to Set Up a SunOS 5.x Print Server	288
......· How to Set Up a SunOS 4.1 Print Server	292
......· How to Set Up SunOS 5.x Print Clients	292
......· How to Set Up SunOS 4.1 Print Clients	295
...Adding a Network Printer	296
......· How to Add a Network Printer (Using the BSD Protocol)
........296
......· How to Add a Network Printer (Using a Special Protocol)
........298
B. Understanding and Customizing
...the LP Print Service	301
...An Overview of the LP Print Service	302
......Functions Provided by the LP Print Service	302
......The Structure of the LP Print Service	308
...Understanding How the Print Service Works	319
......Local Printing	319
......Remote Printing	321
...About Customizing the LP Print Service	327


......Adjusting Printer Port Characteristics	327
......Adjusting the terminfo Database for an Unsupported Printer
........327
......Customizing the Printer Interface Program	328
......Creating a New Print Filter	332
......Creating a New Printer Form	342
...Instructions for Customizing the LP Print Service	344
......· How to Adjust the Printer Port Characteristics	344
......· How to Adjust the terminfo Database for
........an Unsupported Printer	345
......· How to Provide a Custom Printer Interface Program	348
......· How to Provide a New Print Filter	349
......· How to Provide a New Form	353
C. Customizing `sendmail`
...Configuration Files	357
...Features of the sendmail Program	358
...Overview of sendmail Functions	359
......Interfaces to the Outside World	360
......How sendmail Works	360
......Message Header Editing	362
......Configuration File	362
...How sendmail Is Implemented	362
......Mail to Files and Programs	363
......Message Collection	363
......Message Delivery	364


......Queued Messages	364
......Configuration Overview	365
...Arguments to sendmail	366
......Queue Interval	366
......Daemon Mode	367
......Debugging	367
......Trying a Different Configuration File	368
...Tuning Configuration Parameters	368
......Time Values	368
......Delivery Mode	370
......Load Limiting	370
......Log Level	371
......File Modes	372
...sendmail Configuration File	373
......Purpose of the sendmail Configuration File	373
......A Sample sendmail Configuration File	375
......sendmail Configuration File Syntax	384
......Special Header Lines	390
......R and S--Rewriting Rules	390
......Address Rewriting Rules	392
......Building a Configuration File	403
...How `sendmail` Interacts With a Name Service	405
......How to Set Up `sendmail` Requirements for Name Services	406
...sendmail Command-Line Arguments	409


...sendmail Configuration Options	411
...Mailer Flags	414
D. Bibliography	417
Glossary	419
Index	427