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| Foreword | |
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| Foreword to the Second Edition | |
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| Foreword to the First Edition | |
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| Preface | |
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| Acknowledgments | |
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| Basic Administration | |
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| Where to Start | |
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| Suggested background | |
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| The sordid history of UNIX | |
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| Example UNIX systems | |
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| Notation and typographical conventions | |
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| How to use your manuals | |
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| Essential tasks of the system administrator | |
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| How to find files on the Internet | |
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| System administration under duress | |
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| Recommended reading | |
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| Booting and Shutting Down | |
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| Bootstrapping | |
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| Booting PCs | |
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| Booting in single-user mode | |
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| Startup scripts | |
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| Rebooting and shutting down | |
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| Rootly Powers | |
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| Ownership of files and processes | |
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| The superuser | |
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| Choosing a root password | |
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| Becoming root | |
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| Other pseudo-users | |
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| Controlling Processes | |
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| Components of a process | |
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| The life cycle of a process | |
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| Signals | |
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| kill: send signals | |
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| Process states | |
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| nice and renice: influence scheduling priority | |
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| ps: monitor processes | |
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| top: monitor processes even better | |
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| Runaway processes | |
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| The Filesystem | |
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| Pathnames | |
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| Mounting and unmounting filesystems | |
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| The organization of the file tree | |
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| File types | |
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| File attributes | |
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| Adding New Users | |
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| The /etc/passwd file | |
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| The FreeBSD /etc/master.passwd file | |
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| The FreeBSD /etc/login.conf file | |
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| The Solaris and Red Hat /etc/shadow file | |
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| The /etc/group file | |
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| Adding users | |
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| Removing users | |
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| Disabling logins | |
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| Vendor-supplied account management utilities | |
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| Serial Devices | |
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| Serial standards | |
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| Alternative connectors | |
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| Hard and soft carrier | |
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| Hardware flow control | |
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| Cable length | |
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| Serial device files | |
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| Software configuration for serial devices | |
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| Configuration of hardwired terminals | |
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| Special characters and the terminal driver | |
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| stty: set terminal options | |
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| test: set options automatically | |
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| How to unwedge a terminal | |
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| Modems | |
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| Debugging a serial line | |
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| Other common I/O ports | |
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| Adding a Disk | |
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| Disk interfaces | |
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| Disk geometry | |
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| An overview of the disk installation procedure | |
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| fsck: check and repair filesystems | |
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| Vendor specifics | |
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| Periodic Processes | |
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| cron: schedule commands | |
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| The format of crontab files | |
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| Crontab management | |
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| Some common uses for cron | |
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| Vendor specifics | |
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| Backups | |
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| Motherhood and apple pie | |
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| Backup devices and media | |
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| Setting up an incremental backup regime | |
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| Restoring from dumps | |
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| Dumping and restoring for upgrades | |
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| Using other archiving programs | |
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| Using multiple files on a single tape | |
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| Amanda | |
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| Commercial backup products | |
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| Recommended reading | |
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| Syslog and Log Files | |
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| Logging policies | |
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| Finding log files | |
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| Files NOT to manage | |
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| Vendor specifics | |
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| Syslog: the system event logger | |
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| Condensing log files to useful information | |
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| Drivers and the Kernel | |
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| Kernel types | |
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| Why configure the kernel? | |
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| Configuring a Solaris kernel | |
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| Building an HP-UX kernel | |
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| Configuring a Linux kernel | |
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| Building a FreeBSD kernel | |
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| Creating a BSD configuration file | |
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| Adding device drivers | |
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| Device files | |
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| Naming conventions for devices | |
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| Loadable kernel modules | |
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| Recommended reading | |
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| Networking | |
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| TCP/IP Networking | |
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| TCP/IP and the Internet | |
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| Networking road map | |
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| Packets and encapsulation | |
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| IP addresses: the gory details | |
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| Routing | |
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| ARP: The address resolution protocol | |
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| DHCP: the Dynamic Host Configuration Protocol | |
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| PPP: the Point-to-Point Protocol | |
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| Security issues | |
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| Addition of machines to a network | |
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| Vendor-specific network configuration | |
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| Solaris network configuration | |
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| HP-UX network configuration | |
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| Network configuration for Red Hat | |
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| Network configuration for FreeBSD | |
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| Recommended reading | |
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| Routing | |
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| Packet forwarding: a closer look | |
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| Routing daemons and routing protocols | |
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| Protocols on parade | |
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| routed: RIP yourself a new hole | |
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| gated: a better routing daemon | |
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| Vendor specifics | |
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| Routing strategy selection criteria | |
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| Cisco routers | |
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| Recommended reading | |
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| Network Hardware | |
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| LAN, WAN, or MAN? | |
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| Ethernet: the common LAN | |
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| FDDI: the disappointing and expensive LAN | |
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| ATM: the promised (but sorely defeated) LAN | |
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| Frame relay: the sacrificial WAN | |
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| ISDN: the indigenous WAN | |
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| DSL: the people's WAN | |
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| Where is the network going? | |
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| Network testing and debugging | |
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| Building wiring | |
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| Network design issues | |
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| Management issues | |
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| Recommended vendors | |
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| Recommended reading | |
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| The Domain Name System | |
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| DNS for the impatient: adding a new machine | |
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| The history of DNS | |
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| Who needs DNS? | |
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| What's new in DNS | |
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| The DNS namespace | |
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| The BIND software | |
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| How DNS works | |
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| BIND client issues | |
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| BIND server configuration | |
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| BIND configuration examples | |
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| The DNS database | |
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| Updating zone files | |
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| Security issues | |
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| Testing and debugging | |
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| Loose ends | |
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| Vendor specifics | |
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| Recommended reading | |
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| The Network File System | |
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| General information about NFS | |
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| Server-side NFS | |
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| Client-side NFS | |
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| nfsstat: dump NFS statistics | |
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| Dedicated NFS file servers | |
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| Automatic mounting | |
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| automount: the original automounter | |
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| amd: a more sophisticated automounter | |
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| Recommended reading | |
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| Sharing System Files | |
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| What to share | |
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| Copying files around | |
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| NIS: the Network Information Service | |
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| NIS+: son of NIS | |
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| LDAP: the Lightweight Directory Access Protocol | |
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| Electronic Mail | |
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| Mail systems | |
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| The anatomy of a mail message | |
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| Mail philosophy | |
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| Mail aliases | |
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| sendmail: ringmaster of the electronic mail circus | |
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| sendmail configuration | |
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| Basic sendmail configuration primitives | |
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| Fancier sendmail configuration primitives | |
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| Configuration file examples | |
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| Spam-related features in sendmail | |
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| Security and sendmail | |
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| sendmail statistics, testing, and debugging | |
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| The Postfix mail system | |
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| Recommended reading | |
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| Network Management and Debugging | |
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| Troubleshooting a network | |
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| ping: check to see if a host is alive | |
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| traceroute: trace IP packets | |
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| netstat: get tons o' network statistics | |
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| Packet sniffers | |
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| Network management protocols | |
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| SNMP: the Simple Network Management Protocol | |
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| SNMP agents | |
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| Network management applications | |
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| Recommended reading | |
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| Security | |
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| Seven common-sense rules of security | |
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| How security is compromised | |
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| Security problems in the /etc/passwd file | |
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| Setuid programs | |
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| Important file permissions | |
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| Miscellaneous security issues | |
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| Security power tools | |
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| Cryptographic security tools | |
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| Firewalls | |
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| Sources of security information | |
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| What to do when your site has been attacked | |
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| Recommended reading | |
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| Web Hosting and Internet Servers | |
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| Web hosting | |
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| Web hosting basics | |
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| HTTP server installation | |
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| Virtual interfaces | |
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| Caching and proxy servers | |
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| Anonymous FTP server setup | |
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| Usenet news | |
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| Bunch O'Stuff | |
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| Printing | |
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| Mini-glossary of printing terms | |
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| Types of printers | |
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| BSD printing | |
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| System V printing | |
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| Adding a printer | |
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| LPRng | |
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| Debugging printing problems | |
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| Common printing software | |
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| Printer philosophy | |
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| Maintenance and Environment | |
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| Maintenance basics | |
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| Maintenance contracts | |
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| Board-handling lore | |
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| Monitors | |
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| Memory modules | |
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| Preventive maintenance | |
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| Environment | |
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| Power | |
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| Racks | |
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| Tools | |
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| Performance Analysis | |
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| What you can do to improve performance | |
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| Factors that affect performance | |
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| System performance checkup | |
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| Help! My system just got really slow! | |
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| Recommended reading | |
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| Cooperating with Windows | |
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| File and print sharing | |
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| Secure terminal emulation with SSH | |
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| X Windows emulators | |
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| PC mail clients | |
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| PC backups | |
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| Dual booting | |
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| Running Windows applications under UNIX | |
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| PC hardware tips | |
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| Policy and Politics | |
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| Policy and procedure | |
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| Legal issues | |
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| Sysadmin surveys | |
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| Scope of service | |
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| Trouble-reporting systems | |
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| Managing management | |
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| Hiring, firing, and training | |
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| War stories and ethics | |
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| Localization and upgrades | |
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| Local documentation | |
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| Procurement | |
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| Decommissioning hardware | |
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| Software patents | |
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| Organizations, conferences, and other resources | |
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| Standards | |
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| Sample documents | |
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| Recommended reading | |
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| Daemons | |
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| init: the primordial process | |
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| cron: schedule commands | |
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| inetd: manage daemons | |
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| System daemons | |
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| Printing daemons | |
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| NFS daemons | |
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| NIS daemons | |
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| Internet daemons | |
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| Time synchronization daemons | |
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| Booting and configuration daemons | |
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| Colophon | |
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| Index | |