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UNIX System Administration Handbook - Evi Nemeth [2]

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/etc/phones and /etc/remote

Bidirectional modems

Debugging a serial line

Other common I/O ports

Parallel ports

USB: the Universal Serial Bus

CHAPTER 8 ADDING A DISK

Disk interfaces

The SCSI interface

The IDE interface

Which is better, SCSI or IDE?

Disk geometry

An overview of the disk installation procedure

Connecting the disk

Creating device entries

Formatting the disk

Labeling and partitioning the disk

Establishing logical volumes

Creating UNIX filesystems

Setting up automatic mounting

Enabling swapping

fsck: check and repair filesystems

Vendor specifics

Adding a disk to Solaris

Adding a disk to HP-UX

Adding a disk to Red Hat Linux

Adding a disk to FreeBSD

CHAPTER 9 PERIODIC PROCESSES

cron: schedule commands

The format of crontab files

Crontab management

Some common uses for cron

Cleaning the filesystem

Network distribution of configuration files

Rotating log files

Vendor specifics

CHAPTER 10 BACKUPS

Motherhood and apple pie

Perform all dumps from one machine

Label your tapes

Pick a reasonable backup interval

Choose filesystems carefully

Make daily dumps fit on one tape

Make filesystems smaller than your dump device

Keep tapes off-site

Protect your backups

Limit activity during dumps

Check your tapes

Develop a tape life cycle

Design your data for backups

Prepare for the worst

Backup devices and media

Floppy disks

Super floppies

CD-R and CD-RW

Removable hard disks

8mm cartridge tapes

DAT (4mm) cartridge tapes

Travan tapes

OnStream ADR

DLT

AIT

Mammoth

Jukeboxes, stackers, and tape libraries

Hard disks

Summary of media types

What to buy

Setting up an incremental backup regime

Dumping filesystems

Dump sequences

Restoring from dumps

Restoring individual files

Restoring entire filesystems

Dumping and restoring for upgrades

Using other archiving programs

tar: package files

cpio: SysV-ish archiving

dd: twiddle bits

volcopy: duplicate filesystems

Using multiple files on a single tape

Amanda

The architecture of Amanda

Amanda setup

The amanda.conf file

The disklist file

Amanda log files

Amanda debugging

File restoration from an Amanda backup

Alternatives to Amanda: other open source backup packages

Commercial backup products

ADSM/TSM

Veritas

Legato

Other alternatives

Recommended reading

CHAPTER 11 SYSLOG AND LOG FILES

Logging policies

Throwing away log files

Rotating log files

Archiving log files

Finding log files

Files NOT to manage

Vendor specifics

Syslog: the system event logger

Configuring syslogd

Red Hat enhancements to syslog

FreeBSD enhancements to syslog

Config file examples

Sample syslog output

Designing a logging scheme for your site

Software that uses syslog

Debugging syslog

Using syslog from programs

Condensing log files to useful information

CHAPTER 12 DRIVERS AND THE KERNEL

Kernel types

Why configure the kernel?

Configuring a Solaris kernel

The Solaris kernel area

Configuring the kernel with /etc/system

An example /etc/system file

Debugging a Solaris configuration

Building an HP-UX kernel

Configuring a Linux kernel

Building the Linux kernel binary

Tuning your Linux configuration

Building a FreeBSD kernel

The master recipe for building a kernel

Audit the system’s hardware

Create a configuration file in SYS/i386/conf

Run config

Run make depend

Build the kernel

Install the new kernel

Test the new kernel

Document the new kernel

Creating a BSD configuration file

The maxusers keyword

The options keyword

The config keyword

Hardware devices

The pseudo-device keyword

A sample FreeBSD configuration file

Tuning the FreeBSD kernel

Adding device drivers

Device numbers

Adding a Solaris device driver

Adding a Linux device driver

Adding a FreeBSD device driver

Device files

Naming conventions for devices

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