BSD Hacks

Dru is an instructor at Marketbridge Technologies in Ottawa and the maintainer of the Open Protocol Resource. Dru writes the FreeBSD Basics column for ONLamp. She's been a FreeBSD advocate since a Google search led her to freebsd.org back in 1997. By day, she pokes about her systems and writes of her findings. By night, she teaches the fundamentals of networking, routing, and security. Yes, she works through the long Canadian winter so she can enjoy summer days filled with camping, cycling, hiking, and kayaking.

Credits Preface Chapter 1. Customizing the User Environment 1. Get the Most Out of the Default Shell 2. Useful tcsh Shell Configuration File Options 3. Create Shell Bindings 4. Use Terminal and X Bindings 5. Use the Mouse at a Terminal 6. Get Your Daily Dose of Trivia 7. Lock the Screen 8. Create a Trash Directory 9. Customize User Configurations 10. Maintain Your Environment on Multiple Systems 11. Use an Interactive Shell 12. Use Multiple Screens on One Terminal Chapter 2. Dealing with Files and Filesystems 13. Find Things 14. Get the Most Out of grep 15. Manipulate Files with sed 16. Format Text at the Command Line 17. Delimiter Dilemma 18. DOS Floppy Manipulation 19. Access Windows Shares Without a Server 20. Deal with Disk Hogs 21. Manage Temporary Files and Swap Space 22. Recreate a Directory Structure Using mtree 23. Ghosting Systems Chapter 3. The Boot and Login Environments 24. Customize the Default Boot Menu 25. Protect the Boot Process 26. Run a Headless System 27. Log a Headless Server Remotely 28. Remove the Terminal Login Banner 29. Protecting Passwords With Blowfish Hashes 30. Monitor Password Policy Compliance 31. Create an Effective, Reusable Password Policy 32. Automate Memorable Password Generation 33. Use One Time Passwords 34. Restrict Logins Chapter 4. Backing Up 35. Back Up FreeBSD with SMBFS 36. Create Portable POSIX Archives 37. Interactive Copy 38. Secure Backups Over a Network 39. Automate Remote Backups 40. Automate Data Dumps for PostgreSQL Databases 41. Perform Client-Server Cross-Platform Backups with Bacula Chapter 5. Networking Hacks 42. See Console Messages Over a Remote Login 43. Spoof a MAC Address 44. Use Multiple Wireless NIC Configurations 45. Survive Catastrophic Internet Loss 46. Humanize tcpdump Output 47. Understand DNS Records and Tools 48. Send and Receive Email Without a Mail Client 49. Why Do I Need sendmail? 50. Hold Email for Later Delivery 51. Get the Most Out of FTP 52. Distributed Command Execution 53. Interactive Remote Administration Chapter 6. Securing the System 54. Strip the Kernel 55. FreeBSD Access Control Lists 56. Protect Files with Flags 57. Tighten Security with Mandatory Access Control 58. Use mtree as a Built-in Tripwire 59. Intrusion Detection with Snort, ACID, MySQL, and FreeBSD 60. Encrypt Your Hard Disk 61. Sudo Gotchas 62. sudoscript 63. Restrict an SSH server 64. Script IP Filter Rulesets 65. Secure a Wireless Network Using PF 66. Automatically Generate Firewall Rules 67. Automate Security Patches 68. Scan a Network of Windows Computers for Viruses Chapter 7. Going Beyond the Basics 69. Tune FreeBSD for Different Applications 70. Traffic Shaping on FreeBSD 71. Create an Emergency Repair Kit 72. Use the FreeBSD Recovery Process 73. Use the GNU Debugger to Analyze a Buffer Overflow 74. Consolidate Web Server Logs 75. Script User Interaction 76. Create a Trade Show Demo Chapter 8. Keeping Up-to-Date 77. Automated Install 78. FreeBSD From Scratch 79. Safely Merge Changes to /etc 8