Samba Unleashed shows you how to install, configure, and maintain Samba on a wide variety of platforms. You will learn pratical, focused solutions and strategies so you can seamlessly get Samba working on your network. The main section of the book covers the topics every system administrator needs to know, including configuring custom file share, configuring custom printer share, using server side automation, Samba security, optimizing Samba performance, routed networks, and browsing.
I. INTRODUCTION TO SAMBA.1. Choosing Samba.
Samba Defined. Samba Benefits. Samba Disadvantages. Enlisting Support. Making the Decision in Steps. Summary.2. Files and Directories: Windows Properties and UNIX Permissions.
UNIX File and Directory Permissions. DOS File Attributes. Windows Access Control Lists. Windows 9x Share Permissions. UNIX User and Group Strategies. Samba User and Group Strategies. Mapping DOS File Attributes to Samba Permissions. Summary.3. TCP/IP Networking Review.
Examples. Networking Terminology. The ISO/OSI Seven-Layer Networking Model. IP Addresses. Subnets and Netmasks. The Public IP Addresses. Giving Your Network Card an IP Address. Connectivity Testing. Routers, Routing, and IP Forwarding. Name Resolution. Summary.4. Windows Networking Review.
Windows Networking Terminology. NetBIOS Overview. CIFS Overview. Other Windows Networking Information Sources. Summary.5. Installing Samba.
Examples in This Chapter. When to Use the Version Already Installed. When to Use the Latest Stable Release. When to Use the Development Version. Installing an Updated Samba on Red Hat Linux. Installing an Updated Samba on Caldera OpenLinux. Installing an Updated Samba on Debian GNU/Linux. Installing Samba from Source. Installation-Specific File Locations. Testing Your Installation. Troubleshooting Tips. Summary.
II. CREATING A TURNKEY SAMBA SYSTEM.6. Creating a Simple Samba Proof of Concept.
Examples in This Chapter. Backing Up Your Existing smb.conf. Basic Structure of smb.conf. The Three Samba-Defined Shares. Testing smb.conf and Restarting Samba. Setting Up the Simplest Possible Samba. Setting Up the Simplest Windows-Friendly Samba. Performing the Simplest Possible Samba Tests. Encrypting Passwords. Getting Rid of the homes Directory in Network Neighborhood. Demonstrating That the Word [global] Is Optional. Making homes Writable. Adding the [printers] Share. Making a Universally Accessible Directory Share. Setting the [everyone] Share's Path. Changing the Workgroup on the Samba Side. The Samba Access Hierarchy. Putting It All Together: A Departmental Server. Summary.7. Determining Samba Access.
The Question Everyone's Asking. Examples in This Chapter. The Three Levels of Users and Groups. admin users=. hosts allow=. hosts deny=. Guest Access. force user= and force group=. Working with UNIX Permissions. read only=. read list= and write list=. Browseability. Accessibility Flowchart. Summary.8. Configuring Printer Shares.
Examples in This Chapter. Defining Your Linux Printer. Printing Systems. The Easiest Practical Linux [printers] Share. Working with a Trivial Dedicated Printer Share. Important smb.conf Printer Parameters. Automatic Windows 9x Printer Driver Installation. Troubleshooting Printer Problems. Other Cool Samba Printer Tricks. Printing to Windows Printers. Summary.9. Working with Windows 98.
Client Setup. The Difference Between Accessing and Browsing. The Timing Problem. Windows Command-Line Access to Samba Shares. Finding the Elusive Share. WINS Server. DHCP. Samba Client Programming. Networked Start Menu Icon Groups. Troubleshooting Windows 98 Samba Clients. Summary.10. Working with Windows NT. Different Windows NT Versions. Examples in This Chapter. Elections and Timing: A Better Client. Using the Windows NT netCommand. Remote Authentication of Samba by NT. Some Network Illustrations. Troubleshooting Windows NT Samba Clients. Summary.
Different Windows 2000 Versions. What's New in Windows 2000. Network Illustrations. Troubleshooting Windows 2000 and Samba. Summary.12. Samba Client Utilities.
Using smbclient. Using smbmount to Mount SMB Shares as UNIX Directories. Using smbstatus as a Quick Check. Using smbtar to Back Up Clients. Using smbprint as a Print Queue Filter. Using nmblookup for Diagnostic Testing. Using smbpasswd for Security. Other Client Utilities. Summary.13. Using Samba Web Administration Tool (SWAT) for Samba.
Configuration. Procuring SWAT. Compiling and Installing SWAT. Always Back Up smb.conf Before Using Swat! SWAT Security Concerns. Enabling SWAT. The Navigation Buttons. Using SWAT for Information. Using SWAT to Configure smb.conf. Using SWAT for Samba Password Administration. Using SWAT to Administer Samba. Summary.14. Using Samba Server-Side Automation.
Examples in This Chapter. Three Types of Server-Side Automation. The Variable Substitution Strings. Exec Server-Side Automation. Pseudo Samba Printer Server-Side Automation. Magic Script Server-Side Automation. smb.conf Includes. Server-Side Automation Security Issues. Summary.15. Samba Security.
Security Principles. Preinstallation Security Measures. Checking Existing Packages. Compile-Time Options. SSL Support. Security Resources. Samba Configuration Components Security Parameters. Password-Related Security Parameters. Password Synchronization. Changing Passwords from Windows NT. Using passwd chat debug. PAM-Based Password Synchronization. Implementing Access Restrictions. User Accounts, Groups, and Directory Services. Service-Level Security Options. Guest Access Issues. Security Problems. Samba Security Levels. Security Risks and Breaches. Diagnostic Tools for an SMB Network. Client-Side and Server-Side Security Working Together. Using System Policies to Improve Security. Summary.16. Using Samba as Your Windows 98 Logon Mechanism.
Gathering Necessary Documentation. Windows 98 Domain Terminology. Domain Logon Principles. Creating a Windows 98 Domain Logon. Troubleshooting Windows 98 Domain Logons. Setting Up Roaming User Profiles. Summary17. Using Samba as the NT Primary Domain Controller.
Samba and PDCs. PDC Functionality Overview. Samba PDC Sources. Checking Out SAMBA_TNG. Compiling SAMBA_TNG. Samba as PDC. Joining a Domain from Windows NT Workstation. Joining a Domain from Windows NT Server. Joining a Domain from Windows 95/98. Implementing Logon Scripts. Mapping Home Drives. Mapping Groups and Users. Roaming and Mandatory Profiles. Summary.18. Password Synchronization and Administration.
What Is Password Synchronization? Tackling the Password-Synchronization Challenge. Password Functionality of Common Platforms. Password Synchronization Between UNIX and Samba. Using Samba Password Synchronization. Using PAM-Based Password Synchronization. Using Password-Change Scripts. Summary.19. smb.conf Global Parameters.
Getting Your Own Information. Global Base Parameters. Global Security Parameters. Global Logging Parameters. Global Protocol Parameters. Global Tuning Parameters. Global Printing Parameters. Global Filename Handling Parameters. Global SSL Parameters. Global Domain Parameters. Global LDAP Parameters. Global Login Parameters. Global Browse Parameters. Global WINS Parameters. Global Locking Parameters. Global Miscellaneous Parameters. Summary.20. smb.conf Share Parameters.
Name Mangling. Share Printing Parameters. Share Security Parameters. Share Filename-Handling Parameters. Share-Tuning Parameters. Share-Locking Parameters. Server-Side Automation Parameters. Miscellaneous Share Parameters. Summary21.Samba Backup Strategies.
Review of Terminology. Backing Up Under Samba. Using Samba to Export Data for Windows Backup. Windows Backup Software. Connecting to SMB/CIFS Shares for UNIX Backup. Other Windows/UNIX Backup Integration Options. Tar. dump and restore. Other UNIX-Based Backup Solutions. Offsite Backups: rsync. Choosing the Appropriate Backup Medium. Summary.22. Troubleshooting Samba.
Why Samba Troubleshooting Is Easy. Effectively Using DIAGNOSIS.txt. Using Effective Troubleshooting Process. Test Points and Testing Tools. Samba Troubleshooting by Category. Effectively Obtaining Online Help. Common Gotchas, Symptoms, and Solutions. Source Code Troubleshooting. Summary.23. Samba Learning Tools.
Making Your Own Information Tools. Read the Source, Luke. Experimentation. Joining the Samba Project. SWAT as a Learning Tool. The Distribution Documentation. Man Pages. Web Sites, Newsgroups, and Mailing Lists. Summary.
III. ENTERPRISE SAMBA.24. Adding a Samba Server to an NT Network.
Reasons for Adding a Samba Server to an NT Network. Joining an NT Domain with Samba 2.0. Linux and NT Distinctions. Replacing an Existing NT Server. Security Issues. Summary.25. Replacing an NT File Server with Samba.
Why Replace? Examples in This Chapter. The Replacement Process. Summary.26. Samba File Transfer Enterprise Apps.
File Transfer Application Structure. The Holding Area. The Office Collection Point. The Confirmation System. Implementing Modularity. Other Samba File Transfer App Security Issues. File Transfer App Architectures. File Transfer App Troubleshooting. Summary.27. Samba Enterprise Backup Strategy.
The Importance of Backups in the Enterprise. Disaster Recovery. Hardware Redundancy. Protection of Hardware Using Uninterruptible Power Supplies (UPS). Lower Cost of Servers Allows for Redundant Servers. Configuration Backups. Configuration Tools. Backing Up an Entire Client Hard Disk. Dynamic Client Configurations Located on the Server. Roaming Profiles. Backing Up the Windows Registry. Backing Up Data Files. Samba-Specific Backup Strategies. Multiple-Site Backup Strategies. Finding the Right Person to Do the Backup. Making the Directory Structure Fit In. Separate User Files and Directories Not Subject to Backups. Mistakes Happen. Deciding What to Redundantly Back Up. Simple Compression to CD Often Suffices. When Samba Backups Should Be Distinct from Enterprise Backups. Enterprise Backup Hardware. Media Types. Enterprise Backup Software. Troubleshooting Backup Problems. Summary.28. Using Samba to Install, Configure, and Host Windows Software.
Basic Principles of Sharing. Using Samba as a Network CD Server. Running Applications from an SMB/CIFS Share. Oplocks Review. Installing Microsoft Office on a Share. Summary.29. Using Samba in the Small Business.
The Big Picture for the Small Business. Important Considerations for the Small Business. Implementing Samba into Your Networking. Setting Up Samba in the Small Business. Samba Security. Samba Backup. Samba Administration. Summary.30. Using Samba in the Software Development Department.
Unique in the Programming Department. Samba and Open Source Benefits. Properties of a Samba-Served Programming Department. Redundancy. Application Documentation. Special Tricks. The Personal Samba Server. Revision Control. Backup in the Programming Department. Security in the Programming Department. Server Documentation Is Essential. Administration. Summary.31. Justifying Samba to Management.
Stages of Samba Acceptance. Total Cost of Ownership. Vendor Independence. Overcoming Objections. Justification Strategy. Useful Web Resources. Summary.
IV. ADVANCED SAMBA.32. Local-Subnet Browsing.
The Terminology of Browsing. Browsing Parameters by Example. Share-Level Browsing Parameters. Browsing Theory. Browsing Troubleshooting. Summary.33. Cross-Subnet Browsing.
Networking Review: Subnets. Browser and Controller Differentiation. Principles of Cross-Subnet Browsing. Applicable Samba Options. Proof of Concept: Two-Subnet Domain. Troubleshooting. Summary.34. Windows Internet Naming Service (WINS).
The Cost of Broadcast. WINS--Theory and Practice. Measuring Broadcast Activity. name resolve order. WINS and DHCP. Using WINS as a Proxy. The WINS Savings. WINS Troubleshooting and Optimization. Summary.35. Optimizing Samba Performance.
Bottleneck Analysis. Potential System Bottlenecks. Bottleneck-Analysis Tools. CPU Bottleneck-Analysis Tools. Memory Bottleneck-Analysis Tools. Disk Bottleneck-Analysis Tools. smbd/nmbd Bottleneck-Analysis Tools. Network Bottleneck-Analysis Tools. Client Bottleneck-Analysis Tools. Network Card Setup Problems. Standard Samba Performance Tweaks. Summary.
V. SPECIAL USES OF SAMBA.36. Using Samba as an Open Source Migration Strategy.
Why the Migration? Migration Challenges. Samba's Extraordinary Role in the Migration. Possible Migration Strategies. Summary.37. Using Samba in the Department.
Defining the Needs of the Department. Departmental Issues. A Samba Implementation Plan. Summary.38. Samba for the Value Added Reseller (VAR).
Adding Value with Samba. Different Types of VARs. The Samba VAR Advantage. Alternatives. ssh Administration. Complementing Samba. Summary.39. Using Samba in the Educational Computer Lab.
Unique Aspects of the Educational Environment. Samba and Open Source Benefits. Properties of a Samba-Served Computer Lab. Security in the Computer Lab. Backup in the Computer Lab. Details of the Samba Configuration. Troubleshooting Samba in the Computer Lab. Samba Administration in the Computer Lab Samba Fringe Benefits. Summary.40. Niche Example: Using Samba in the Litigation Department.
Document Coding. Standalone Server. Performance Issues. Hardware and Software Costs Are Not an Issue. Paper- Versus Image-Based Coding. Choosing Samba. A Coding Center Network Strategy. Samba Configuration. Backing Up and Compacting Databases. Administration. Quick and Temporary Coding Centers. Troubleshooting. Summary.41. Using Samba in the Home.
Printer Sharing. Avoiding License Agreement Violations. File Sharing. Program Sharing. Internet Sharing. Wiring. Family-Wide Backups. Administration. Troubleshooting a Home Samba Network. Fringe Benefits. Summary.42. Samba's Future.
Samba's Past. Samba's Future. Keeping Your Samba Knowledge Up-to-Date. Summary.
VI. APPENDIXES.Appendix A: Samba on Solaris.