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Purchase	Copyright © 2002 Paul Sheer. Click here for copying permissions.	Home

Contents

• Preface
• Acknowledgments
• 1. Introduction
  • 1.1 What This Book Covers
  • 1.2 Read This Next...
  • 1.3 What Do I Need to Get Started?
  • 1.4 More About This Book
  • 1.5 I Get Frustrated with UNIX Documentation That I Don't Understand
  • 1.6 LPI and RHCE Requirements
  • 1.7 Not RedHat: RedHat-like
  • 1.8 Updates and Errata
• 2. Computing Sub-basics
  • 2.1 Binary, Octal, Decimal, and Hexadecimal
  • 2.2 Files
  • 2.3 Commands
  • 2.4 Login and Password Change
  • 2.5 Listing Files
  • 2.6 Command-Line Editing Keys
  • 2.7 Console Keys
  • 2.8 Creating Files
  • 2.9 Allowable Characters for File Names
  • 2.10 Directories
• 3. PC Hardware
  • 3.1 Motherboard
  • 3.2 Master/Slave IDE
  • 3.3 CMOS
  • 3.4 Serial Devices
  • 3.5 Modems
• 4. Basic Commands
  • 4.1 The ls Command, Hidden Files, Command-Line Options
  • 4.2 Error Messages
  • 4.3 Wildcards, Names, Extensions, and glob Expressions
    • 4.3.1 File naming
    • 4.3.2 Glob expressions
  • 4.4 Usage Summaries and the Copy Command
  • 4.5 Directory Manipulation
  • 4.6 Relative vs. Absolute Pathnames
  • 4.7 System Manual Pages
  • 4.8 System info Pages
  • 4.9 Some Basic Commands
  • 4.10 The mc File Manager
  • 4.11 Multimedia Commands for Fun
  • 4.12 Terminating Commands
  • 4.13 Compressed Files
  • 4.14 Searching for Files
  • 4.15 Searching Within Files
  • 4.16 Copying to MS-DOS and Windows Formatted Floppy Disks
  • 4.17 Archives and Backups
  • 4.18 The PATH Where Commands Are Searched For
  • 4.19 The -- Option
• 5. Regular Expressions
  • 5.1 Overview
  • 5.2 The fgrep Command
  • 5.3 Regular Expression \{ \} Notation
  • 5.4 + ? \< \> ( ) | Notation
  • 5.5 Regular Expression Subexpressions
• 6. Editing Text Files
  • 6.1 vi
  • 6.2 Syntax Highlighting
  • 6.3 Editors
    • 6.3.1 Cooledit
    • 6.3.2 vi and vim
    • 6.3.3 Emacs
    • 6.3.4 Other editors
• 7. Shell Scripting
  • 7.1 Introduction
  • 7.2 Looping: the while and until Statements
  • 7.3 Looping: the for Statement
  • 7.4 breaking Out of Loops and continueing
  • 7.5 Looping Over Glob Expressions
  • 7.6 The case Statement
  • 7.7 Using Functions: the function Keyword
  • 7.8 Properly Processing Command-Line Args: shift
  • 7.9 More on Command-Line Arguments: $@ and $0
  • 7.10 Single Forward Quote Notation
  • 7.11 Double-Quote Notation
  • 7.12 Backward-Quote Substitution
• 8. Streams and sed -- The Stream Editor
  • 8.1 Introduction
  • 8.2 Tutorial
  • 8.3 Piping Using | Notation
  • 8.4 A Complex Piping Example
  • 8.5 Redirecting Streams with >&
  • 8.6 Using sed to Edit Streams
  • 8.7 Regular Expression Subexpressions
  • 8.8 Inserting and Deleting Lines
• 9. Processes, Environment Variables
  • 9.1 Introduction
  • 9.2 ps -- List Running Processes
  • 9.3 Controlling Jobs
  • 9.4 Creating Background Processes
  • 9.5 killing a Process, Sending Signals
  • 9.6 List of Common Signals
  • 9.7 Niceness of Processes, Scheduling Priority
  • 9.8 Process CPU/Memory Consumption, top
  • 9.9 Environments of Processes
• 10. Mail
  • 10.1 Sending and Reading Mail
  • 10.2 The SMTP Protocol -- Sending Mail Raw to Port 25
• 11. User Accounts and Ownerships
  • 11.1 File Ownerships
  • 11.2 The Password File /etc/passwd
  • 11.3 Shadow Password File: /etc/shadow
  • 11.4 The groups Command and /etc/group
  • 11.5 Manually Creating a User Account
  • 11.6 Automatically: useradd and groupadd
  • 11.7 User Logins
    • 11.7.1 The login command
    • 11.7.2 The set user, su command
    • 11.7.3 The who, w, and users commands to see who is logged in
    • 11.7.4 The id command and effective UID
    • 11.7.5 User limits
• 12. Using Internet Services
  • 12.1 ssh, not telnet or rlogin
  • 12.2 rcp and scp
  • 12.3 rsh
  • 12.4 FTP
  • 12.5 finger
  • 12.6 Sending Files by Email
    • 12.6.1 uuencode and uudecode
    • 12.6.2 MIME encapsulation
• 13. LINUX Resources
  • 13.1 FTP Sites and the sunsite Mirror
  • 13.2 HTTP -- Web Sites
  • 13.3 SourceForge
  • 13.4 Mailing Lists
    • 13.4.1 Majordomo and Listserv
    • 13.4.2 *-request
  • 13.5 Newsgroups
  • 13.6 RFCs
• 14. Permission and Modification Times
  • 14.1 The chmod Command
  • 14.2 The umask Command
  • 14.3 Modification Times: stat
• 15. Symbolic and Hard Links
  • 15.1 Soft Links
  • 15.2 Hard Links
• 16. Pre-installed Documentation
• 17. Overview of the UNIX Directory Layout
  • 17.1 Packages
  • 17.2 UNIX Directory Superstructure
  • 17.3 LINUX on a Single Floppy Disk
• 18. UNIX Devices
  • 18.1 Device Files
  • 18.2 Block and Character Devices
  • 18.3 Major and Minor Device Numbers
  • 18.4 Common Device Names
  • 18.5 dd, tar, and Tricks with Block Devices
    • 18.5.1 Creating boot disks from boot images
    • 18.5.2 Erasing disks
    • 18.5.3 Identifying data on raw disks
    • 18.5.4 Duplicating a disk
    • 18.5.5 Backing up to floppies
    • 18.5.6 Tape backups
    • 18.5.7 Hiding program output, creating blocks of zeros
  • 18.6 Creating Devices with mknod and /dev/MAKEDEV
• 19. Partitions, File Systems, Formatting, Mounting
  • 19.1 The Physical Disk Structure
    • 19.1.1 Cylinders, heads, and sectors
    • 19.1.2 Large Block Addressing
    • 19.1.3 Extended partitions
  • 19.2 Partitioning a New Disk
  • 19.3 Formatting Devices
    • 19.3.1 File systems
    • 19.3.2 mke2fs
    • 19.3.3 Formatting floppies and removable drives
    • 19.3.4 Creating MS-DOS floppies
    • 19.3.5 mkswap, swapon, and swapoff
  • 19.4 Device Mounting
    • 19.4.1 Mounting CD-ROMs
    • 19.4.2 Mounting floppy disks
    • 19.4.3 Mounting Windows and NT partitions
  • 19.5 File System Repair: fsck
  • 19.6 File System Errors on Boot
  • 19.7 Automatic Mounts: fstab
  • 19.8 Manually Mounting /proc
  • 19.9 RAM and Loopback Devices
    • 19.9.1 Formatting a floppy inside a file
    • 19.9.2 CD-ROM files
  • 19.10 Remounting
  • 19.11 Disk sync
• 20. Advanced Shell Scripting
  • 20.1 Lists of Commands
  • 20.2 Special Parameters: $?, $*,...
  • 20.3 Expansion
  • 20.4 Built-in Commands
  • 20.5 Trapping Signals -- the trap Command
  • 20.6 Internal Settings -- the set Command
  • 20.7 Useful Scripts and Commands
    • 20.7.1 chroot
    • 20.7.2 if conditionals
    • 20.7.3 patching and diffing
    • 20.7.4 Internet connectivity test
    • 20.7.5 Recursive grep (search)
    • 20.7.6 Recursive search and replace
    • 20.7.7 cut and awk -- manipulating text file fields
    • 20.7.8 Calculations with bc
    • 20.7.9 Conversion of graphics formats of many files
    • 20.7.10 Securely erasing files
    • 20.7.11 Persistent background processes
    • 20.7.12 Processing the process list
  • 20.8 Shell Initialization
    • 20.8.1 Customizing the PATH and LD_LIBRARY_PATH
  • 20.9 File Locking
    • 20.9.1 Locking a mailbox file
    • 20.9.2 Locking over NFS
    • 20.9.3 Directory versus file locking
    • 20.9.4 Locking inside C programs
• 21. System Services and lpd
  • 21.1 Using lpr
  • 21.2 Downloading and Installing
  • 21.3 LPRng vs. Legacy lpr-0.nn
  • 21.4 Package Elements
    • 21.4.1 Documentation files
    • 21.4.2 Web pages, mailing lists, and download points
    • 21.4.3 User programs
    • 21.4.4 Daemon and administrator programs
    • 21.4.5 Configuration files
    • 21.4.6 Service initialization files
    • 21.4.7 Spool files
    • 21.4.8 Log files
    • 21.4.9 Log file rotation
    • 21.4.10 Environment variables
  • 21.5 The printcap File in Detail
  • 21.6 PostScript and the Print Filter
  • 21.7 Access Control
  • 21.8 Printing Troubleshooting
  • 21.9 Useful Programs
    • 21.9.1 printtool
    • 21.9.2 apsfilter
    • 21.9.3 mpage
    • 21.9.4 psutils
  • 21.10 Printing to Things Besides Printers
• 22. Trivial Introduction to C
  • 22.1 C Fundamentals
    • 22.1.1 The simplest C program
    • 22.1.2 Variables and types
    • 22.1.3 Functions
    • 22.1.4 for, while, if, and switch statements
    • 22.1.5 Strings, arrays, and memory allocation
    • 22.1.6 String operations
    • 22.1.7 File operations
    • 22.1.8 Reading command-line arguments inside C programs
    • 22.1.9 A more complicated example
    • 22.1.10 #include statements and prototypes
    • 22.1.11 C comments
    • 22.1.12 #define and #if -- C macros
  • 22.2 Debugging with gdb and strace
    • 22.2.1 gdb
    • 22.2.2 Examining core files
    • 22.2.3 strace
  • 22.3 C Libraries
  • 22.4 C Projects -- Makefiles
    • 22.4.1 Completing our example Makefile
    • 22.4.2 Putting it all together
• 23. Shared Libraries
  • 23.1 Creating DLL .so Files
  • 23.2 DLL Versioning
  • 23.3 Installing DLL .so Files
• 24. Source and Binary Packages
  • 24.1 Building GNU Source Packages
  • 24.2 RedHat and Debian Binary Packages
    • 24.2.1 Package versioning
    • 24.2.2 Installing, upgrading, and deleting
    • 24.2.3 Dependencies
    • 24.2.4 Package queries
    • 24.2.5 File lists and file queries
    • 24.2.6 Package verification
    • 24.2.7 Special queries
    • 24.2.8 dpkg/ apt versus rpm
  • 24.3 Source Packages
• 25. Introduction to IP
  • 25.1 Internet Communication
  • 25.2 Special IP Addresses
  • 25.3 Network Masks and Addresses
  • 25.4 Computers on a LAN
  • 25.5 Configuring Interfaces
  • 25.6 Configuring Routing
  • 25.7 Configuring Startup Scripts
    • 25.7.1 RedHat networking scripts
    • 25.7.2 Debian networking scripts
  • 25.8 Complex Routing -- a Many-Hop Example
  • 25.9 Interface Aliasing -- Many IPs on One Physical Card
  • 25.10 Diagnostic Utilities
    • 25.10.1 ping
    • 25.10.2 traceroute
    • 25.10.3 tcpdump
• 26. TCP and UDP
  • 26.1 The TCP Header
  • 26.2 A Sample TCP Session
  • 26.3 User Datagram Protocol (UDP)
  • 26.4 /etc/services File
  • 26.5 Encrypting and Forwarding TCP
• 27. DNS and Name Resolution
  • 27.1 Top-Level Domains (TLDs)
  • 27.2 Resolving DNS Names to IP Addresses
    • 27.2.1 The Internet DNS infrastructure
    • 27.2.2 The name resolution process
  • 27.3 Configuring Your Local Machine
  • 27.4 Reverse Lookups
  • 27.5 Authoritative for a Domain
  • 27.6 The host, ping, and whois Command
  • 27.7 The nslookup Command
    • 27.7.1 NS, MX, PTR, A and CNAME records
  • 27.8 The dig Command
• 28. Network File System, NFS
  • 28.1 Software
  • 28.2 Configuration Example
  • 28.3 Access Permissions
  • 28.4 Security
  • 28.5 Kernel NFS
• 29. Services Running Under inetd
  • 29.1 The inetd Package
  • 29.2 Invoking Services with /etc/inetd.conf
    • 29.2.1 Invoking a standalone service
    • 29.2.2 Invoking an inetd service
    • 29.2.3 Invoking an inetd ``TCP wrapper'' service
    • 29.2.4 Distribution conventions
  • 29.3 Various Service Explanations
  • 29.4 The xinetd Alternative
  • 29.5 Configuration Files
    • 29.5.1 Limiting access
  • 29.6 Security
• 30. exim and sendmail
  • 30.1 Introduction
    • 30.1.1 How mail works
    • 30.1.2 Configuring a POP/IMAP server
    • 30.1.3 Why exim?
  • 30.2 exim Package Contents
  • 30.3 exim Configuration File
    • 30.3.1 Global settings
    • 30.3.2 Transports
    • 30.3.3 Directors
    • 30.3.4 Routers
  • 30.4 Full-blown Mail server
  • 30.5 Shell Commands for exim Administration
  • 30.6 The Queue
  • 30.7 /etc/aliases for Equivalent Addresses
  • 30.8 Real-Time Blocking List -- Combating Spam
    • 30.8.1 What is spam?
    • 30.8.2 Basic spam prevention
    • 30.8.3 Real-time blocking list
    • 30.8.4 Mail administrator and user responsibilities
  • 30.9 Sendmail
• 31. lilo, initrd, and Booting
  • 31.1 Usage
  • 31.2 Theory
    • 31.2.1 Kernel boot sequence
    • 31.2.2 Master boot record
    • 31.2.3 Booting partitions
    • 31.2.4 Limitations
  • 31.3 lilo.conf and the lilo Command
  • 31.4 Creating Boot Floppy Disks
  • 31.5 SCSI Installation Complications and initrd
  • 31.6 Creating an initrd Image
  • 31.7 Modifying lilo.conf for initrd
  • 31.8 Using mkinitrd
• 32. init, ? getty, and UNIX Run Levels
  • 32.1 init -- the First Process
  • 32.2 /etc/inittab
    • 32.2.1 Minimal configuration
    • 32.2.2 Rereading inittab
    • 32.2.3 The respawning too fast error
  • 32.3 Useful Run Levels
  • 32.4 getty Invocation
  • 32.5 Bootup Summary
  • 32.6 Incoming Faxes and Modem Logins
    • 32.6.1 mgetty with character terminals
    • 32.6.2 mgetty log files
    • 32.6.3 mgetty with modems
    • 32.6.4 mgetty receiving faxes
• 33. Sending Faxes
  • 33.1 Fax Through Printing
  • 33.2 Setgid Wrapper Binary
• 34. uucp and uux
  • 34.1 Command-Line Operation
  • 34.2 Configuration
    • uucico
  • 34.3 Modem Dial
  • 34.4 tty/UUCP Lock Files
  • 34.5 Debugging uucp
  • 34.6 Using uux with exim
  • 34.7 Scheduling Dialouts
• 35. The LINUX File System Standard
  • 35.1 Introduction
    • 35.1.1 Purpose
    • 35.1.2 Conventions
  • 35.2 The Filesystem
  • 35.3 The Root Filesystem
    • 35.3.1 Purpose
    • 35.3.2 Requirements
    • 35.3.3 Specific Options
    • 35.3.4 /bin : Essential user command binaries (for use by all users)
    • 35.3.5 /boot : Static files of the boot loader
    • 35.3.6 /dev : Device files
    • 35.3.7 /etc : Host-specific system configuration
    • 35.3.8 /home : User home directories (optional)
    • 35.3.9 /lib : Essential shared libraries and kernel modules
    • 35.3.10 /lib<qual> : Alternate format essential shared libraries (optional)
    • 35.3.11 /mnt : Mount point for a temporarily mounted filesystem
    • 35.3.12 /opt : Add-on application software packages
    • 35.3.13 /root : Home directory for the root user (optional)
    • 35.3.14 /sbin : System binaries
    • 35.3.15 /tmp : Temporary files
  • 35.4 The /usr Hierarchy
    • 35.4.1 Purpose
    • 35.4.2 Requirements
    • 35.4.3 Specific Options
    • 35.4.4 /usr/X11R6 : X Window System, Version 11 Release 6 (optional)
    • 35.4.5 /usr/bin : Most user commands
    • 35.4.6 /usr/include : Directory for standard include files.
    • 35.4.7 /usr/lib : Libraries for programming and packages
    • 35.4.8 /usr/lib<qual> : Alternate format libraries (optional)
    • 35.4.9 /usr/local : Local hierarchy
    • 35.4.10 /usr/sbin : Non-essential standard system binaries
    • 35.4.11 /usr/share : Architecture-independent data
    • 35.4.12 /usr/src : Source code (optional)
  • 35.5 The /var Hierarchy
    • 35.5.1 Purpose
    • 35.5.2 Requirements
    • 35.5.3 Specific Options
    • 35.5.4 /var/account : Process accounting logs (optional)
    • 35.5.5 /var/cache : Application cache data
    • 35.5.6 /var/crash : System crash dumps (optional)
    • 35.5.7 /var/games : Variable game data (optional)
    • 35.5.8 /var/lib : Variable state information
    • 35.5.9 /var/lock : Lock files
    • 35.5.10 /var/log : Log files and directories
    • 35.5.11 /var/mail : User mailbox files (optional)
    • 35.5.12 /var/opt : Variable data for /opt
    • 35.5.13 /var/run : Run-time variable data
    • 35.5.14 /var/spool : Application spool data
    • 35.5.15 /var/tmp : Temporary files preserved between system reboots
    • 35.5.16 /var/yp : Network Information Service (NIS) database files (optional)
  • 35.6 Operating System Specific Annex
    • 35.6.1 Linux
  • 35.7 Appendix
    • 35.7.1 The FHS mailing list
    • 35.7.2 Background of the FHS
    • 35.7.3 General Guidelines
    • 35.7.4 Scope
    • 35.7.5 Acknowledgments
    • 35.7.6 Contributors
• 36. httpd -- Apache Web Server
  • 36.1 Web Server Basics
  • 36.2 Installing and Configuring Apache
    • 36.2.1 Sample httpd.conf
    • 36.2.2 Common directives
    • 36.2.3 User HTML directories
    • 36.2.4 Aliasing
    • 36.2.5 Fancy indexes
    • 36.2.6 Encoding and language negotiation
    • 36.2.7 Server-side includes -- SSI
    • 36.2.8 CGI -- Common Gateway Interface
    • 36.2.9 Forms and CGI
    • 36.2.10 Setuid CGIs
    • 36.2.11 Apache modules and PHP
    • 36.2.12 Virtual hosts
• 37. crond and atd
  • 37.1 /etc/crontab Configuration File
  • 37.2 The at Command
  • 37.3 Other cron Packages
• 38. postgres SQL Server
  • 38.1 Structured Query Language
  • 38.2 postgres
  • 38.3 postgres Package Content
  • 38.4 Installing and Initializing postgres
  • 38.5 Database Queries with psql
  • 38.6 Introduction to SQL
    • 38.6.1 Creating tables
    • 38.6.2 Listing a table
    • 38.6.3 Adding a column
    • 38.6.4 Deleting (dropping) a column
    • 38.6.5 Deleting (dropping) a table
    • 38.6.6 Inserting rows, ``object relational''
    • 38.6.7 Locating rows
    • 38.6.8 Listing selected columns, and the oid column
    • 38.6.9 Creating tables from other tables
    • 38.6.10 Deleting rows
    • 38.6.11 Searches
    • 38.6.12 Migrating from another database; dumping and restoring tables as plain text
    • 38.6.13 Dumping an entire database
    • 38.6.14 More advanced searches
  • 38.7 Real Database Projects
• 39. smbd -- Samba NT Server
  • 39.1 Samba: An Introduction by Christopher R. Hertel
    • History -- the (hopefully) Untedious Version
    • Meanwhile, on the Other Side of the Planet...
    • What Samba Does
    • Other Stuff
    • SMB Filesystems for Linux
    • Setup and Management
    • The Present
    • The Future
  • 39.2 Configuring Samba
  • 39.3 Configuring Windows
  • 39.4 Configuring a Windows Printer
  • 39.5 Configuring swat
  • 39.6 Windows NT Caveats
• 40. named -- Domain Name Server
  • 40.1 Documentation
  • 40.2 Configuring bind
    • 40.2.1 Example configuration
    • 40.2.2 Starting the name server
    • 40.2.3 Configuration in detail
  • 40.3 Round-Robin Load-Sharing
  • 40.4 Configuring named for Dialup Use
    • 40.4.1 Example caching name server
    • 40.4.2 Dynamic IP addresses
  • 40.5 Secondary or Slave DNS Servers
• 41. Point-to-Point Protocol -- Dialup Networking
  • 41.1 Basic Dialup
    • 41.1.1 Determining your chat script
    • 41.1.2 CHAP and PAP
    • 41.1.3 Running pppd
  • 41.2 Demand-Dial, Masquerading
  • 41.3 Dialup DNS
  • 41.4 Dial-in Servers
  • 41.5 Using tcpdump
  • 41.6 ISDN Instead of Modems
• 42. The LINUX Kernel Source, Modules, and Hardware Support
  • 42.1 Kernel Constitution
  • 42.2 Kernel Version Numbers
  • 42.3 Modules, insmod Command, and Siblings
  • 42.4 Interrupts, I/O Ports, and DMA Channels
  • 42.5 Module Options and Device Configuration
    • 42.5.1 Five ways to pass options to a module
    • 42.5.2 Module documentation sources
  • 42.6 Configuring Various Devices
    • 42.6.1 Sound and pnpdump
    • 42.6.2 Parallel port
    • 42.6.3 NIC -- Ethernet, PCI, and old ISA
    • 42.6.4 PCI vendor ID and device ID
    • 42.6.5 PCI and sound
    • 42.6.6 Commercial sound drivers
    • 42.6.7 The ALSA sound project
    • 42.6.8 Multiple Ethernet cards
    • 42.6.9 SCSI disks
    • 42.6.10 SCSI termination and cooling
    • 42.6.11 CD writers
    • 42.6.12 Serial devices
  • 42.7 Modem Cards
  • 42.8 More on LILO: Options
  • 42.9 Building the Kernel
    • 42.9.1 Unpacking and patching
    • 42.9.2 Configuring
  • 42.10 Using Packaged Kernel Source
  • 42.11 Building, Installing
• 43. The X Window System
  • 43.1 The X Protocol
  • 43.2 Widget Libraries and Desktops
    • 43.2.1 Background
    • 43.2.2 Qt
    • 43.2.3 Gtk
    • 43.2.4 GNUStep
  • 43.3 XFree86
    • 43.3.1 Running X and key conventions
    • 43.3.2 Running X utilities
    • 43.3.3 Running two X sessions
    • 43.3.4 Running a window manager
    • 43.3.5 X access control and remote display
    • 43.3.6 X selections, cutting, and pasting
  • 43.4 The X Distribution
  • 43.5 X Documentation
    • 43.5.1 Programming
    • 43.5.2 Configuration documentation
    • 43.5.3 XFree86 web site
  • 43.6 X Configuration
    • 43.6.1 Simple 16-color X server
    • 43.6.2 Plug-and-Play operation
    • 43.6.3 Proper X configuration
  • 43.7 Visuals
  • 43.8 The startx and xinit Commands
  • 43.9 Login Screen
  • 43.10 X Font Naming Conventions
  • 43.11 Font Configuration
  • 43.12 The Font Server
• 44. UNIX Security
  • 44.1 Common Attacks
    • 44.1.1 Buffer overflow attacks
    • 44.1.2 Setuid programs
    • 44.1.3 Network client programs
    • 44.1.4 /tmp file vulnerability
    • 44.1.5 Permission problems
    • 44.1.6 Environment variables
    • 44.1.7 Password sniffing
    • 44.1.8 Password cracking
    • 44.1.9 Denial of service attacks
  • 44.2 Other Types of Attack
  • 44.3 Counter Measures
    • 44.3.1 Removing known risks: outdated packages
    • 44.3.2 Removing known risks: compromised packages
    • 44.3.3 Removing known risks: permissions
    • 44.3.4 Password management
    • 44.3.5 Disabling inherently insecure services
    • 44.3.6 Removing potential risks: network
    • 44.3.7 Removing potential risks: setuid programs
    • 44.3.8 Making life difficult
    • 44.3.9 Custom security paradigms
    • 44.3.10 Proactive cunning
  • 44.4 Important Reading
  • 44.5 Security Quick-Quiz
  • 44.6 Security Auditing
• A. Lecture Schedule
  • A.1 Hardware Requirements
  • A.2 Student Selection
  • A.3 Lecture Style
  • Lesson 1
  • Lesson 2
  • Lesson 3
  • Lesson 4
  • Lesson 5
  • Lesson 6
  • Lesson 7
  • Lesson 8
  • Lesson 9
  • Lesson 10
  • Lesson 11
  • Lesson 12
• B. LPI Certification Cross-Reference
  • B.1 Exam Details for 101
  • General LINUX, part I
    • Topic 1.3: GNU and UNIX Commands
    • Topic 2.4: Devices, LINUX File Systems,
      Filesystem Hierarchy Standard
    • Topic 2.6: Boot, Initialization, Shutdown, Run Levels
    • Topic 1.8: Documentation
    • Topic 2.11: Administrative Tasks
  • B.2 Exam Details for 102
  • General LINUX, part II
    • Topic 1.1: Hardware and Architecture
    • Topic 2.2: LINUX Installation and Package Management
    • Topic 1.5: Kernel
    • Topic 1.7: Text Editing, Processing, Printing
    • Topic 1.9: Shells, Scripting, Programming, Compiling
    • Topic 2.10: X
    • Topic 1.12: Networking Fundamentals
    • Topic 1.13: Networking Services
    • Topic 1.14: Security
• C. RHCE Certification Cross-Reference
  • C.1 RH020, RH030, RH033, RH120, RH130, and RH133
  • C.2 RH300
    • Unit 1: Hardware selection and RedHat installation
    • Unit 2: Configuring and administration
    • Unit 3: Alternative installation methods
    • Unit 4: Kernel
    • Unit 5: Basic network services
    • Unit 6: X Window System
    • Unit 7: Security
    • Unit 8: Firewalling, routing and clustering, troubleshooting
  • C.3 RH220 (RH253 Part 1)
    • Unit 1: DNS
    • Unit 2: Samba
    • Unit 3: NIS
    • Unit 4: Sendmail and procmail
    • Unit 5: Apache
    • Unit 6: pppd and DHCP
  • C.4 RH250 (RH253 Part 2)
    • Unit 1: Introduction
    • Unit 2: Local user security
    • Unit 3: Files and file system security
    • Unit 4: Password security and encryption
    • Unit 5: Process security and monitoring
    • Unit 6: Building firewalls
    • Unit 7: Security tools
• D. LINUX Advocacy FAQ
  • D.1 LINUX Overview
    • What is LINUX?
    • What are UNIX systems used for? What can LINUX do?
    • What other platforms does LINUX run on including the PC?
    • What is meant by GNU/LINUX as opposed to LINUX?
    • What web pages should I look at?
    • What are Debian, RedHat, Caldera, SuSE? Explain the different LINUX distributions.
    • Who developed LINUX?
    • Why should I not use LINUX?
  • D.2 LINUX, GNU, and Licensing
    • What is LINUX's license?
    • What is GNU?
    • Why is GNU software better than proprietary software?
    • Explain the restrictions of LINUX's ``free''GNU
      General Public License.
    • If LINUX is free, where do companies have the right to make money from selling CDs?
    • What if Linus Torvalds decided to change the copyright on the kernel? Could he sell out to a company?
    • What if Linus Torvalds stopped supporting LINUX? What if kernel development split?
    • What is Open Source vs. Free vs. Shareware?
  • D.3 LINUX Distributions
    • If everyone is constantly modifying the source, isn't this bad for the consumer? How is the user protected from bogus software?
    • There are so many different LINUX versions -- is this not confusion and incompatibility?
    • Will a program from one LINUX Distribution run on another?
      How compatible are the different distributions?
    • What is the best distribution to use?
    • Where do I get LINUX?
    • How do I install LINUX?
  • D.4 LINUX Support
    • Where does a person get LINUX support? My purchased software is supported; how does LINUX compete?
  • D.5 LINUX Compared to Other Systems
    • What is the most popular UNIX in the world?
    • How many LINUX systems are there out there?
    • What is the total cost of installing and running LINUX compared to a proprietary non-UNIX system?
    • What is the total cost of installing and running a LINUX system compared to a proprietary UNIX system?
    • How does LINUX compare to other operating systems in performance?
    • What about SMP and a journalling file system? Is LINUX enterprise-ready?
    • Does LINUX only support 2 Gigs of memory and 128 Meg of swap?
    • Isn't UNIX antiquated? Isn't its security model outdated?
    • How does FreeBSD compare to LINUX?
  • D.6 Migrating to LINUX
    • What are the principal issues when migrating to LINUX from a non-UNIX system?
    • What are the principal issues when migrating to LINUX from another UNIX system?
    • How should a supervisor proceed after making the decision to migrate to LINUX?
  • D.7 Technical
    • Are LINUX CDs readable from Windows?
    • Can I run LINUX and Windows on the same machine?
    • How much space do I need to install LINUX?
    • What are the hardware requirements?
    • What hardware is supported? Will my sound/graphics/network card work?
    • Can I view my Windows, OS/2, and MS-DOS files under LINUX?
    • Can I run DOS programs under LINUX?
    • Can I recompile Windows programs under LINUX?
    • Can I run Windows programs under LINUX?
    • I have heard that LINUX does not suffer from virus attacks. Is it true that there is no threat of viruses with UNIX systems?
    • Is LINUX as secure as other servers?
• E. The GNU General Public License Version 2
• About this document ...

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