Table of Contents

How to Become a Hacker Preface Server Basics 1. Removing Unnecessary Services 2. Forgoing the Console Login 3. Common Boot Parameters 4. Creating a Persistent Daemon with init 5. Swap Standard Output and Standard Error 6. Building Complex Command Lines 7. Working with Tricky Files in xargs 8. Immutable Files in ext2/ext3 9. Speeding Up Compiles 10. At Home in Your Shell Environment 11. Finding and Eliminating setuid/setgid Binaries 12. Make sudo Work Harder 13. Using a Makefile to Automate Admin Tasks 14. Brute Forcing Your New Domain Name 15. Playing Hunt the Disk Hog 16. Fun with /proc 17. Manipulating Processes ymbolically with procps 18. Managing System Resources per Process 19. Cleaning Up after Ex-Users 20. Eliminating Unnecessary Drivers from the Kernel 21. Using Large Amounts of RAM 22. hdparm: Fine Tune IDE Drive Parameters Revision Control 23. Getting Started with RCS 24. Checking Out a Previous Revision in RCS 25. Tracking Changes with rcs2log 26. Getting Started with CVS 27. CVS: Checking Out a Module 28. CVS: Updating Your Working Copy 29. CVS: Using Tags 30. CVS: Making Changes to a Module 31. CVS: Merging Files 32. CVS: Adding and Removing Files and Directories 33. CVS: Branching Development 34. CVS: Watching and Locking Files 35. CVS: Keeping CVS Secure 36. CVS: Anonymous Repositories Backups 37. Backing Up with tar over ssh 38. Using rsync over ssh 39. Archiving with Pax 40. Backing Up Your Boot Sector 41. Keeping Parts of Filesystems in sync with rsync 42. Automated Snapshot-Style Incremental Backups with rsync 43. Working with ISOs and CDR/CDRWs 44. Burning a CD Without Creating an ISO File Networking 45. Creating a Firewall from the Command Line of any Server 46. Simple IP Masquerading 47. iptables Tips & Tricks 48. Forwarding TCP Ports to Arbitrary Machines 49. Using Custom Chains in iptables 50. Tunneling: IPIP Encapsulation 51. Tunneling: GRE Encapsulation 52. Using vtun over ssh to Circumvent NAT 53. Automatic vtund.conf Generator Monitoring 54. Steering syslog 55. Watching Jobs with watch 56. What's Holding That Port Open? 57. Checking On Open Files and Sockets with lsof 58. Monitor System Resources with top 59. Constant Load Average Display in the Titlebar 60. Network Monitoring with ngrep 61. Scanning Your Own Machines with nmap 62. Disk Age Analysis 63. Cheap IP Takeover 64. Running ntop for Real-Time Network Stats 65. Monitoring Web Traffic in Real Time with httptop SSH 66. Quick Logins with ssh Client Keys 67. Turbo-mode ssh Logins 68. Using ssh-Agent Effectively 69. Running the ssh-Agent in a GUI 70. X over ssh 71. Forwarding Ports over ssh Scripting 72. Get Settled in Quickly with movein.sh 73. Global Search and Replace with Perl 74. Mincing Your Data into Arbitrary Chunks (in bash) 75. Colorized Log Analysis in Your Terminal Information Servers 76. Running BIND in a chroot Jail 77. Views in BIND 9 78. Setting Up Caching DNS with Authority for Local Domains 79. Distributing Server Load with Round-Robin DNS 80. Runn

About the Author

Rob Flickenger has been a professional systems administrator for more than 10 years, and all around hacker for as long as he can remember. Rob enjoys spreading the good word of open networks, open standards, and ubiquitous wireless networking. His current professional project is Metrix Communication LLC, which provides wireless hardware and software that embodies the same open source principles he rants about in his books. Rob also works with the U.N. and various international organizations to bring these ideas to places where communications infrastructure is badly needed. He hopes that all of this effort is contributing toward the ultimate goal of infinite bandwidth everywhere for free. He is the author of Linux Server Hacks, Wireless Hacks, and Building Wireless Community Networks (which is in its second edition).

Reviews

"The book is such fun, that it has become a great way to test the memory and knowledge of other admins with quickfire questions over a drink. Overall the book is an excellent source of quick fixes for common problems." Linux Magazine, August 2003 "Definitely one for the bookshelf." Computer Shopper, March 2004