SUSE Linux Enterprise Server 10: Network Services

In SUSE Linux Enterprise Server 10: Networking Services (Course 3074). you learn advanced Linux skills focused on network services you need to administer SUSE Linux Enterprise Server 10.These skills, along with those taught in SUSE Linux Enterprise Server 10: Security {Course 3075). prepare you to take the Novell Certified Linux Engineer 10 {Novell CLE 10) certification practicum test.For more information on CLE 10. visit http://www.no vell.com/training/certinfo/cle 10The contents of your student kit include the following:■ SUSE Linux Enterprise Server 10: Networking Senices Manual■ SUSE Linux Enterprise Server 10: Networking Senices Workbook■ SUSE Linux Enterprise Server 10: Networking Senices Course DVD■ SUSE Linux Enterprise Server 10 Product DVD■ SUSE Linux Enterprise Desktop 10 Product DVDThe SUSE Linux Enterprise Server 10 Networking Senices Course DVD contains a VMware Workstation SUSE Linux Enterprise Server 10 server (in the directory vmware) that you can use with the SUSE Linux Enterprise Server 10: Networking Senices Workbook outside the classroom to practice the skills you need to take the Novell CLE 10 Practicum.

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Table of contents :
Title Page……Page 1
Contents……Page 3
Introduction……Page 11
Audience……Page 12
Certification and Prerequisites……Page 13
SUSE Linux Enterprise Server 10 Support and Maintenance……Page 16
Novell Customer Center……Page 17
SUSE Linux Enterprise Server 10 Online Resources……Page 18
Agenda……Page 19
Scenario……Page 20
Exercise Conventions……Page 21
Objectives……Page 23
How Name Resolution Worked in the Early Days of the Internet……Page 24
The Internet Domain Concept……Page 25
How Name Servers Work……Page 27
How to Query DNS……Page 28
Objective 2 Install and Configure the BIND Server Software……Page 31
Configure a Caching-Only DNS Server……Page 33
Configure a Master Server for Your Domain……Page 36
Configure One or More Slave Servers……Page 48
Objective 4 Configure the DNS Clients……Page 51
The Name Servers of the Root Domain……Page 53
Forward Requests to Specific Name Servers……Page 54
Forward Requests for a Subdomain……Page 55
Exercise 1-1 Configure a DNS Server with Forwarding……Page 56
Restrict Access to the Name Server……Page 57
Configure Logging Options……Page 58
Security Aspects for Zone Transfer……Page 61
Exercise 1-2 Configure Zone Transfers from the Master Server to Slave Servers……Page 66
Objective 7 Configure Dynamic DNS……Page 67
Objective 8 Use YaST to Configure BIND……Page 71
Use Command Line Tools to Query DNS Servers……Page 73
Use rndc to Control the Name Server……Page 77
Check Configuration Files……Page 82
Objective 10 Find More Information About DNS……Page 84
Summary……Page 85
Objectives……Page 93
Objective 1 Understand How DHCP Works……Page 94
Objective 2 Configure the DHCP Server……Page 98
The Configuration File /etc/sysconfig/dhcpd……Page 99
The Configuration File /etc/dhcpd.conf……Page 100
The Log File……Page 110
Configure a DHCP Server with YaST……Page 113
Exercise 2-1 Configure the DHCP Server……Page 122
Objective 3 Configure DHCP Clients……Page 123
Exercise 2-2 Configure DHCP Clients……Page 129
Objective 4 Configure a DHCP Relay Server……Page 130
Objective 5 Use DHCP and Dynamic DNS……Page 131
The DHCP Server Assigns a Name to the Client……Page 136
Exercise 2-3 Use DHCP and Dynamic DNS……Page 138
Basics of DHCP Failover……Page 139
Configure Failover……Page 140
dhcping……Page 154
dhcpdump……Page 155
Exercise 2-4 Troubleshoot DHCP……Page 156
Summary……Page 157
Objectives……Page 165
Objective 1 Understand the Basics of LDAP……Page 166
Install the Required Software and Start the Server……Page 172
Configure OpenLDAP with YaST……Page 176
Exercise 3-1 Set Up OpenLDAP with YaST……Page 191
Edit the OpenLDAP Configuration Files……Page 192
Objective 3 Add Entries to the LDAP Server……Page 202
Objective 4 Query Information from the LDAP Server……Page 207
Objective 5 Modify and Delete Entries of the LDAP Server……Page 209
Exercise 3-2 Add Users to the LDAP Directory……Page 211
Change the User Password……Page 212
Activate pam_ldap……Page 214
Exercise 3-3 Set up an LDAP User Database……Page 216
Configure slapd for Replication……Page 217
The Command-Line Options of slurpd……Page 219
Transfer the LDAP Database……Page 220
Exercise 3-4 Replicate OpenLDAP Servers……Page 221
Summary……Page 222
SECTION 4 Configure a Mail Server……Page 225
Objectives……Page 226
Mail Transfer Agent (MTA)……Page 227
Mail User Agent (MUA)……Page 228
The Mail Cycle……Page 229
Simple Mail Transfer Protocol (SMTP)……Page 230
Read Status Mail……Page 238
Use the Simple Mail Client……Page 240
Exercise 4-1 Send Mail to root……Page 242
Objective 3 Understand the Architecture and Components of Postfix……Page 243
Process of Inbound Email……Page 244
Process of Outbound Email……Page 246
Components of the Postfix Program Package……Page 248
Objective 4 Start, Stop, and Reinitialize Postfix……Page 250
Configure the Postfix Master Daemon……Page 251
Configure Global Settings……Page 256
Configure General Scenarios……Page 264
Exercise 4-2 Send Mail in the Local Network……Page 267
Exercise 4-3 Use Postfix on the Internet……Page 270
Configure the Lookup Tables……Page 271
Exercise 4-4 Use Lookup Tables……Page 286
Objective 6 Use Postfix Tools……Page 287
Configure Cyrus IMAPd……Page 289
Exercise 4-5 Configure Cyrus IMAPd……Page 301
Configure QPopper……Page 302
Exercise 4-6 Configure QPopper……Page 306
Sort Mail with Procmail……Page 307
Exercise 4-7 Configure Procmail……Page 312
Install SpamAssassin……Page 313
Configure SpamAssassin……Page 314
Use SpamAssassin……Page 316
Test SpamAssassin……Page 317
Train SpamAssassin……Page 318
Exercise 4-8 Manage Spam with SpamAssassin……Page 319
AVMailGate……Page 320
Exercise 4-9 Use AVMailGate as a Virus Scanner for Email……Page 332
AMaViSd-new……Page 333
Exercise 4-10 Use AMaViSd as Virus Scanner for Email……Page 346
Summary……Page 347
Objectives……Page 363
Objective 1 Understand what OpenSLP Is……Page 364
Objective 2 Understand the SLP Agents……Page 366
Service Agent……Page 367
Messages……Page 368
Unicast, Multicast, and Broadcast Protocols……Page 370
The OpenSLP Daemon slpd……Page 372
The OpenSLP Configuration File……Page 374
The OpenSLP Registration Files……Page 380
Objective 4 Use SLP Frontends……Page 391
Exercise 5-1 Provide the daytime Service with OpenSLP……Page 393
Summary……Page 394
Objectives……Page 397
Configure ntop……Page 398
Use ntop……Page 399
Exercise 6-1 Use ntop……Page 404
Objective 2 Use Nagios to Monitor Hosts, Services, and Network……Page 405
Basic Configuration of Nagios……Page 406
Configuration of Contacts and Contact Groups……Page 408
Configure the Hosts and Host Groups……Page 411
Configure the Services……Page 415
Configure Other Resources……Page 419
Configure the Nagios Web Server……Page 420
Use Nagios……Page 423
Exercise 6-2 Use Nagios……Page 424
Use Ethereal……Page 425
Exercise 6-3 Use Ethereal……Page 433
Use tcpdump……Page 434
Exercise 6-4 Use tcpdump……Page 436
Summary……Page 437
APPENDIX A Prepare for the Novell CLE 10 Practicum……Page 439
Scenario……Page 440
Objective 1 Install and Configure SUSE Linux Enterprise Server 10……Page 441
Objective 2 Configure a DNS Server……Page 442
Objective 3 Configure a DHCP Server……Page 443
Objective 4 Configure a Mail Server……Page 444
Objective 5 Monitor the Network……Page 445
APPENDIX B Combine Samba and OpenLDAP……Page 447
Objective 1 Prepare the OpenLDAP Directory……Page 448
Objective 2 Understand the LDAP Options of Samba……Page 450
Summary……Page 452
APPENDIX C Retrieve Mail with Fetchmail……Page 453
Objective 1 Configure Fetchmail……Page 455
Objective 2 Understand Command Line Options……Page 458
Exercise C-1 Retrieve Mail Using Fetchmail……Page 460
Summary……Page 461
APPENDIX D Manage Network Devices with SNMP……Page 463
Objective 1 Understand the Structure of MIB……Page 465
Objective 2 Configure the SNMP Daemon……Page 468
Objective 3 Start the SNMP Agent……Page 472
Objective 4 Test the SNMP Configuration……Page 475
Exercise D-1 Manage Network Devices with SNMP……Page 478
Summary……Page 479