Index

Index
Prev

Symbols

.bash_login, Shell startup environment
.bash_logout, Shell startup environment
.bash_profile, Shell startup environment
.config, Creating a .config file
.emacs, Shell startup environment
.exrc, Shell startup environment
.fvwmrc, Shell startup environment
.htaccess, Configuring authentication modules
.inputrc, Shell startup environment
.newsrc, Shell startup environment
.ppprc, Using Options Files
.profile, Shell startup environment
.ssh, Shell startup environment
.twmrc, Shell startup environment
.Xdefaults, Shell startup environment
.xinitrc, Shell startup environment
.xsession, Shell startup environment
/bin, The File Hierarchy
/bin/false, Login shells
/boot, The File Hierarchy
/dev, The File Hierarchy
/dev/md0, Configuring RAID (using mdadm)
/dev/zero, Swap
/etc, The File Hierarchy
/etc/auto.master, Autofs and automounter
/etc/exports, The mount daemon, Exporting filesystems
/etc/fstab, Mounting and Unmounting, Physical installation, Daemon initialization
/etc/init.d/autofs, Autofs and automounter
/etc/init.d/bind, Name-server components in BIND
/etc/init.d/pcmcia, Configuring modules
/etc/init.d/rc, The /etc/init.d/rc script
/etc/inittab, Configuring /etc/inittab
/etc/ld.so.conf, ldconfig
/etc/login.defs, Shell startup environment
/etc/mdadm.conf, Configuring RAID (using mdadm)
/etc/modules.conf, Configuring modules
/etc/motd, Shell startup environment
/etc/ppp/chap-secrets, PAP Versus CHAP
/etc/ppp/ip-down, Routing Through a PPP Link
/etc/ppp/ip-up, Routing Through a PPP Link
/etc/ppp/options, Using Options Files
/etc/ppp/pap-secrets, PAP Versus CHAP
/etc/profile, Shell startup environment
/etc/rc.boot, The /etc/init.d/rc script
/etc/rcN.d, The /etc/init.d/rc script
/etc/services, Configuring inetd for use with TCP wrappers
/etc/shells, Login shells
/etc/sysctl.conf, sysctl
/lib, The File Hierarchy
/lost+found, The File Hierarchy
/proc, The File Hierarchy, Using the /proc filesystem
/proc/interrupts, Using the /proc filesystem
/proc/meminfo, Swap
/proc/mounts, The bootprocess, Mounting and Unmounting
/proc/sys/kernel, uname
/proc/sys/net/ipv4/ip_forward, Using the /proc filesystem, IP forwarding with IPCHAINS
/sbin, The File Hierarchy
/sbin/sulogin, When fsck is started but fails
/tmp, The File Hierarchy
/usr, The File Hierarchy
/var, The File Hierarchy
/var/named, Name-server components in BIND
/var/spool/cron/crontabs, Troubleshooting cron processes
0.0.0.0, Routing Through a Gateway
0x1bf, More about partitions tables
10/8, Private Network Addresses
127.0.0.1, The Loopback Interface
172.16/12, Private Network Addresses
192.168/16, Private Network Addresses
67, What is DHCP?
68, What is DHCP?
8.3 filename format, Creating an image for a CD-ROM

ether=, If a device doesn't work

A

ACK sweep, Description

adduser, Troubleshooting authorisation problems

AH, IPSEC

Apache

*, Name-based virtual hosting
.htaccess, Configuring authentication modules
443, Public key cryptography
?, Name-based virtual hosting
access_log, Apache access_log file
AllowOverride, Configuring authentication modules
APXS, APache eXtenSion (APXS) support tool
AuthGroupFile, Group files
AuthType, Configuring authentication modules
AuthUserFile, Configuring authentication modules
BindAddress, Name-based virtual hosting
CLF, Apache access_log file
CustomLog, Setting up a single daemon
Discretionary Access Control, Restricting client user access
DNS, Name-based virtual hosting
DocumentRoot, Name-based virtual hosting
htpasswd, User files
httpd -l, Run-time loading of modules (DSO)
IP-based virtual hosting, IP-based virtual hosting
libssl.so, Run-time loading of modules (DSO)
Limit, Configuring authentication modules
Listen, Name-based virtual hosting
Mandatory Access Control, Restricting client user access
MaxClients, Configuring Apache server options
MaxKeepAliveRequests, Configuring Apache server options
MaxSpareServers, Configuring Apache server options
MinSpareServers, Configuring Apache server options
modules, Modularity
mod_access, Restricting client user access
mod_auth, Restricting client user access
mod_auth_anon, Restricting client user access
mod_auth_digest, Restricting client user access
mod_ssl, Various Apache and SSL related projects, Apache with mod_ssl
multiple daemons, IP-based virtual hosting
Name-base virtual hosting, Name-based virtual hosting
NameVirtualHost, Name-based virtual hosting
OpenSSL, Various Apache and SSL related projects
PerlSetVar, Configuring mod_perl
Redirect, Customizing file access
Require valid-user, Configuring authentication modules
ServerAdmin, Setting up a single daemon
ServerAlias, Name-based virtual hosting
ServerName, Name-based virtual hosting
ServerRoot, IP-based virtual hosting
SSLCertificateFile, How to create a SSL server Certificate
SSLCertificateKeyFile, How to create a SSL server Certificate
SSLeay, Various Apache and SSL related projects
StartServers, Configuring Apache server options
TransferLog, Setting up a single daemon
User, IP-based virtual hosting
virtual hosting and SSL, IP-based virtual hosting
VirtualHost, Name-based virtual hosting

apsfilter, Using a Windows printer from Linux

APXS, APache eXtenSion (APXS) support tool

ARP

cache, arp and arpwatch
proxy, Routing Through a PPP Link

arp, ifconfig, arp and arpwatch

arpwatch, arp and arpwatch

ATS0=3, PPP Server

Attacks

DoS, Description
SYN, Description

automount, Autofs and automounter, NFS client: software and configuration

availability, Estimate throughput and identify bottlenecks in a system including networking

B

backup

plan, Where?
testing, How?
verifying, How?

badblocks, fsck (fsck.*)

bandwith usage, Measure and Troubleshoot Resource Usage (200.1)

bind, Name-server components in BIND

#, Syntax
//, Syntax
;, Syntax
@, Predefined zone statements, The db.local file
allow-query, Configuring the master on privdns
allow-transfer, Configuring the master on privdns
category, The logging statement
chrooted, Split DNS: two DNS servers on one machine
current origin, The db.127 file
db.127, The db.127 file
db.local, The db.local file
dialup, The options statement
directory, The options statement
exworks, Internal DNS
fetch-glue, Configuring the internal name server
file, Syntax
forward, The options statement
forward first;, The options statement
forward only;, The options statement
forwarders, Syntax, The options statement, Configuring DNS on liongate
heartbeat-interval, Limiting negotiations
hint, The hints file
jail, Configuring the internal name server
localhost, The db.local file
named.conf, The named.conf file
named.pid, Configuring the internal name server
options, The options statement
recursion, Configuring the internal name server
reload, Controlling named with a start/stop script
resolv.conf, Configuring the master on privdns
SIGHUP, Sending signals to named
slave, Alternatives
stand-alone master, Split DNS: stand-alone internal master
start, Controlling named with a start/stop script
stop, Controlling named with a start/stop script
version, The options statement
zone file, Predefined zone statements
{, Syntax
}, Syntax

BIOS, The bootstrap process

blacklisting, Description

blank, Write the CD-image to a CD

boot, Configuring /etc/inittab

boot drive, The bootstrap process

boot option

initrd=, The bootprocess

boot sequence, The bootprocess

booting

(nothing), LILO errors
/boot/boot.0300, LILO backup files
/boot/boot.b, Booting from disk or partition, LILO backup files
/boot/map, Booting from disk or partition
/etc/fstab, Daemon initialization
/etc/inittab, Daemon initialization
/etc/lilo.conf, Booting from disk or partition
/etc/rc.d, Daemon initialization
/sbin/lilo, Booting from disk or partition, LILO backup files
10 bits, More about partitions tables
1024 cylinders, More about partitions tables
boot loader, Recognizing the four stages during boot
boot partition, Booting from disk or partition
boot sectors, Booting from disk or partition
bootloader, The bootstrap process
Bootmagic, Booting from disk or partition
BOOTP, Booting from CD-ROM and networks
bootsector, Booting from disk or partition
CDROM, Booting from CD-ROM and networks
choose device, Booting from CD-ROM and networks
CHS, Booting from disk or partition
daemon initialization, Recognizing the four stages during boot
debugging, Troubleshooting - a word of caution
DHCP, Booting from CD-ROM and networks
disk not supported, LILO errors
dmesg, Recognizing the four stages during boot
El Torito, Booting from CD-ROM and networks
fdisk, Booting from disk or partition
first 446 bytes, Booting from disk or partition
first stage loader, LILO backup files
floppy, Booting from disk or partition
four stages, Recognizing the four stages during boot
fsck, Daemon initialization
geometry mismatch, LILO errors
getty, Daemon initialization
GRUB, Kernel loading, Booting from disk or partition
hard disk, Booting from disk or partition
hardware initialization, Recognizing the four stages during boot
ignoring BIOS, More about partitions tables
init, Daemon initialization
initdefault, Daemon initialization
kernel, Kernel loading
kernel loading, Recognizing the four stages during boot
kernel location, Booting from disk or partition
L (error), LILO errors
L 01, LILO errors
LBA, More about partitions tables
LI, LILO errors
LIL, LILO errors
LIL-, LILO errors
LIL?, LILO errors
LILO, The bootstrap process, Kernel loading, Booting from disk or partition, LILO errors
LILO backup of bootsector, LILO backup files
LILO first stage, Booting from disk or partition
LILO in MBR, The LILO install locations
LILO in partition, The LILO install locations
LILO second stage, Booting from disk or partition
Linux, The bootstrap process
loader, Kernel loading
MBR, Booting from disk or partition
multi-user mode, Daemon initialization
next device, The bootstrap process
NFS, Booting from CD-ROM and networks
partition sector, Booting from disk or partition
partition table, Booting from disk or partition
ramdisk word, Kernel loading
ring buffer, Recognizing the four stages during boot
root filesystem, Kernel loading
runlevel, Daemon initialization
second stage boot loader, LILO backup files
single-user mode, Daemon initialization
startup message, Booting from disk or partition
sysinit, Daemon initialization
TFTP, Booting from CD-ROM and networks
UDP, Booting from CD-ROM and networks

bootloader, The bootstrap process

bootstrap process, The bootstrap process

bootwait, Configuring /etc/inittab

bottlenecks , Measure and Troubleshoot Resource Usage (200.1)

bounce attack, Description

broadcast, The company's shared-networks and subnets

broadcast address, Ethernet Interfaces

bugtraq, Description

bus

SCSI, Write the CD-image to a CD

BUS, Write the CD-image to a CD

bzImage, Kernel Components (201.1), Different types of kernel images

C

caching-only nameserver, A caching-only named.conf file

Carnegie Mellon, Description

CD-ROM filesystem, Creating an image for a CD-ROM

cdrecord, Write the CD-image to a CD

CERT, Description

http://www.cert.org, Website

Certificate Authority, Public key cryptography, How to create a SSL server Certificate

Certificate Signing Request, How to create a SSL server Certificate

CGI, Monitoring Apache load and performance, Configuring mod_perl

Challenge Handshake Authentication Protocol, Authentication with PPP

CHAP, PPP

chat, PPP Client

chfn, Shell startup environment

chsh, Login shells, Shell startup environment

CIAC, Description

BULLETIN, Subscribing to the mailing list
ciac-listproc@llnl.gov, Subscribing to the mailing list
NOTES, Subscribing to the mailing list
SPI-ANNOUNCE, Subscribing to the mailing list
SPI-NOTES, Subscribing to the mailing list
subscribing, Subscribing to the mailing list
unsubscribe, Unsubscribing from the mailing list

COLUMNS, Core system variables

Common Log Format, Apache access_log file

Common Name, Directory /etc/ssl/*

Configuring

Apache, Configuring Apache server options
Apache Authentication Modules, Configuring authentication modules
Apache mod_perl, Configuring mod_perl
Apache mod_php, Configuring mod_php support
apsfilter, Using a Windows printer from Linux
bind, Domain Name Server (207)
disks, Physical installation
kernel modules, Configuring modules
LDAP Authentication, pam_ldap
Linux Kernel, Creating a .config file
Linux kernel options, Configuring kernel options
Logical Volume Manager, Configuring Logical Volume Management
Network Interface, Configuring the network interface
NFS, Setting up NFS
NIS Authentication, pam_nis
Openswan, IPSEC
PAM, How does it work?
PPP, Using Options Files
RAID, Configuring RAID (204.1)
Samba, An example of the functionality we wish to achieve
SMB Server, What is Samba? , NFS - The Network File System
Web Server, Basic Apache Configuration (208.1)

CONFIG_KMOD, Enabling kmod

CONFIG_MODULES, Enabling kmod

cpio, cpio

CPU Usage, Measure and Troubleshoot Resource Usage (200.1)

create filesystem, Creating Filesystems

Creating

filesystem, Creating Filesystems
SSL Server Certificate, How to create a SSL server Certificate

Cricket, Monitoring Apache load and performance

crtscts, PPP Server

Cryptography

Public Key, Public key cryptography

CTRL-ALT-DEL, Configuring /etc/inittab

ctrl-alt-del, sysctl

ctrlaltdel, Configuring /etc/inittab

custom kernel, Building A Custom Kernel

cylinder, Physical installation

cylinder 0, The bootstrap process

D

dd, Making a copy of a data CD, dd

debugfs, Maintaining a Linux Filesystem (203.2)

default gateway, Routing Through a Gateway

default route, Routing Through a Gateway

deluser, Troubleshooting authorisation problems

device or resource busy, rmmod

DHCP, What is DHCP?

BOOTP, Static BOOTP hosts
Client, What is DHCP?
client identifier, Static hosts
default-lease-time, Leases
dhcpd.conf, How is the server configured?
dhcpd.leases, Leases
domain-name-servers, The global parameters for services
ethernet address, Static hosts
Global Parameters, What are (global) parameters?
group declaration, What is a group declaration?
host declaration, What is a host declaration?
IP-address, An example
max-lease-time, Leases
nntp-server, The global parameters for services
Normal Parameters, What are (global) parameters?
option, The global parameters for services
pop-server, The global parameters for services
relaying, What is DHCP-relaying?
reload, Reloading the DHCP-server after making changes
Server, What is DHCP?
shared network, What is a shared-network declaration?
smtp-server, The global parameters for services
Static Host, Static hosts
subnet declaration, What is a subnet declaration?

dhcrelay, What is DHCP-relaying?

Diagnose resource usage,

dial-in, PPP

directory blocks, Filesystems

Disk, Disk

disk I/O, Measure and Troubleshoot Resource Usage (200.1)

dmesg, Physical installation

DNAT, Adding targets

DNS, Name-server components in BIND

dnssec-keygen, dnssec-signzone
NSEC, dnssec-signzone
RRSIG, dnssec-signzone

documentation

/usr/doc, Getting help
/usr/man, Getting help
/usr/share/doc, Getting help

DoS Attack, Description

DoS Attacks

IP address spoofing, Description
Network Ingress Filtering, Description
Packet Flooding, Description
SYN, Description
sysctl, Using /proc/sys/net/ipv4 (sysctl) to prevent simple DOS attacks

DOS extended partition, Extended partitions

DOS partition table, More about partitions tables

DoS with IP address spoofing, Description

DSA-key, Host keys

dumpe2fs, Maintaining a Linux Filesystem (203.2), dumpe2fs

Dynamic Shared Objects, Run-time loading of modules (DSO)

E

echo, Core system variables
El Torito, Booting from CD-ROM and networks
ELF, Shared libraries
emacs, Shell startup environment, Editors
env, Core system variables
ESP, IPSEC
eth0, Ethernet Interfaces
ethernet interface, Ethernet Interfaces
exportfs, The mount daemon, The exportfs command
ext2, Creating Filesystems

F

FAT, Mounting and Unmounting

fdisk, Configuring Logical Volume Management

filesystems, Filesystems

filter, Tables and Chains

firewalling and routing throughput, Measure and Troubleshoot Resource Usage (200.1)

fortune, Shell startup environment

FORWARD, Tables and Chains

forwarding, Port and/or IP forwarding

free, Swap

fsck, When fsck is started but fails , Maintaining a Linux Filesystem (203.2), fsck (fsck.*)

-a, fsck (fsck.*)
-A, fsck (fsck.*)
-c, fsck (fsck.*)
-C, fsck (fsck.*)
-f, fsck (fsck.*)
-n, fsck (fsck.*)
-p, fsck (fsck.*)
-R, fsck (fsck.*)
-y, fsck (fsck.*)

FTP, squid

Active, Active mode
connection modes, FTP connection modes
firewalll, Enabling connections through a firewall
Passive, Passive mode

Fully Qualified Domain Name, Directory /etc/ssl/*

indirection blocks, Filesystems

inetd, What do TCP wrappers do?

protocol, Configuring inetd for use with TCP wrappers
server program, Configuring inetd for use with TCP wrappers
server program parameters, Configuring inetd for use with TCP wrappers
service name, Configuring inetd for use with TCP wrappers
socket type, Configuring inetd for use with TCP wrappers
user, Configuring inetd for use with TCP wrappers
wait, Configuring inetd for use with TCP wrappers

inetd.conf, Configuring inetd for use with TCP wrappers

init

order of scripts, The /etc/init.d/rc script

init scripts, The /etc/init.d/rc script

initdefault, Configuring /etc/inittab, Daemon initialization

initial RAM disk, The initial ram disk (initrd)

initrd, The initial ram disk (initrd)

manual creation, Manual initrd creation
mkinitrd, Create initrd using mkinitrd

inode, Filesystems

INPUT, Tables and Chains

INPUTRC, Shell startup environment

insmod, insmod

interval between checks, tune2fs

iostat, Measure and Troubleshoot Resource Usage (200.1) , Estimate throughput and identify bottlenecks in a system including networking

IP, Configuring the network interface

Category 1, Private Network Addresses
Category 2, Private Network Addresses
Category 3, Private Network Addresses
forwarding, IP forwarding with IPCHAINS
Masquerading, IP Masquerading with IPCHAINS
private, Private Network Addresses
public, Private Network Addresses

IP Addresses

automatic assignment, Choosing IP Addresses

IPCHAINS

ACCEPT, IPCHAINS, an overview
DENY, IPCHAINS, an overview
FORWARD, IPCHAINS, an overview
INPUT, IPCHAINS, an overview
MASQ, IPCHAINS, an overview
OUTPUT, IPCHAINS, an overview
REDIRECR, IPCHAINS, an overview
RETURN, IPCHAINS, an overview

ipchains, IP Masquerading with IPCHAINS

IPCP, PPP

IPSEC, VPN Types, IPSEC

IPTABLES, Implementation

FILTER, The “filter” table
MANGLE, The “mangle” table
NAT, The “nat” table
statefull, Connection tracking: Stateful Firewalling

iptables

--state, Connection tracking: Stateful Firewalling
ACCEPT, Adding targets
DNAT, Adding targets
DROP, Adding targets
extended modules, Adding targets
filter, Tables and Chains
FORWARD, Tables and Chains
forwarding, Port and/or IP forwarding
icmp, Adding matching modules
INPUT, Tables and Chains
ip_conntrack, Connection tracking: Stateful Firewalling
ip_conntrack_ftp, Connection tracking: Stateful Firewalling
limit, Adding matching modules
LOG, Adding targets
mac, Adding matching modules
mangle, Tables and Chains
MARK, Adding targets
mark, Adding matching modules
MASQUERADE, Adding targets
matching modules, Adding matching modules
MIRROR, Adding targets
multiport, Adding matching modules
NAT, Tables and Chains
NF_ACCEPT, Netfilter “hooks”
NF_DROP, Netfilter “hooks”
NF_QUEUE, Netfilter “hooks”
NF_REPEAT, Netfilter “hooks”
NF_STOLEN, Netfilter “hooks”
OUTPUT, Tables and Chains
owner, Adding matching modules
POSTROUTING, Tables and Chains
PREROUTING, Tables and Chains
QUEUE, Adding targets
REDIRECT, Adding targets
REJECT, Adding targets
restore, Saving And Restoring Firewall Rules
RETURN, Adding targets
save, Saving And Restoring Firewall Rules
SNAT, Adding targets
state, Adding matching modules
targets, Adding targets
tcp, Adding matching modules
TOS, Adding targets
tos, Adding matching modules
udp, Adding matching modules
unclean, Adding matching modules

iptables-restore, Saving And Restoring Firewall Rules

iptables-save, Saving And Restoring Firewall Rules

IPXCP, PPP

ip_conntrack, Connection tracking: Stateful Firewalling

ip_conntrack_ftp, Connection tracking: Stateful Firewalling

iso9660, Mounting and Unmounting

ISO9660, Creating an image for a CD-ROM

K

kbdrequest, Configuring /etc/inittab

kernel

compression, Different types of kernel images
hybrid, Different types of kernel images
micro, Different types of kernel images
monolithic, Different types of kernel images
routing tables, netstat

kernel documentation, Kernel Components (201.1)

kernel image, Kernel Components (201.1)

kernel modules, What are kernel modules, Using kernel modules

alias, Configuring modules
depfile=, Configuring modules
install, Configuring modules
keep, Configuring modules
location, What are kernel modules
options, Configuring modules
path=, Configuring modules
post-install, Configuring modules
post-remove, Configuring modules
pre-install, Configuring modules
pre-remove, Configuring modules
remove, Configuring modules

kerneld, What are they?

kmod, What are they?

L

LBA, More about partitions tables

LCP, PPP Client

ld, How the dynamic linker locates shared objects

ld-linux.so, How the dynamic linker locates shared objects

ld.so, Shared libraries

LDAP, OpenLDAP

RFC 2116, What is it?
RFC 2251, What is it?

ldconfig, ldconfig

ldd, How the dynamic linker locates shared objects

LDIF, LDIF

LD_LIBRARY_PATH, How the dynamic linker locates shared objects

LILO, The bootstrap process, Kernel loading

Linux

boot process, The Linux Boot process
cleaning the kernel, Cleaning the kernel
directory structure, The File Hierarchy
disks, Physical installation
file hierarchy, The File Hierarchy
init, The bootprocess
kernel modules, lsmod
kernel parameters, Passing parameters to the kernel
kernel patching, Patching a Kernel
kernel sources, Getting the kernel sources
lockd, The lock daemon
Logical Volume Manager, Configuring Logical Volume Management
maximum kernel size, Different types of kernel images
NFS Client, Configuring the kernel for NFS
NFS Client v3, Configuring the kernel for NFS
NFS Server, Configuring the kernel for NFS
NFS Server v3, Configuring the kernel for NFS
system recovery, System recovery (202.2)

linux

support, Getting help

Linux firewall, Implementation

linuxrc, The bootprocess

lo, The Loopback Interface

Logical Volume, Configuring Logical Volume Management

login, Shell startup environment

LOGNAME, Core system variables

loop mount, Test the CD-image

loopback interface, The Loopback Interface

lpr, Using lpr

lsmod, lsmod

lsof, Measure and Troubleshoot Resource Usage (200.1)

LUN, Write the CD-image to a CD

lvcreate, Configuring Logical Volume Management

lvm, Configuring Logical Volume Management

lvol, Configuring Logical Volume Management

M

major release, Scheme up to 2.6.0 kernels

make bzImage, make zImage/bzImage

make clean, make clean

make config, make config

make gconfig, make xconfig and gconfig

make menuconfig, make menuconfig

make modules, make modules

make modules_install, make modules_install

make oldconfig, make oldconfig

make xconfig, make xconfig and gconfig

make zImage, make zImage/bzImage

making a filesystem, Filesystems

mangle, Tables and Chains

MANPATH, Core system variables

masqueraded connections, netstat

Masquerading, IP Masquerading with IPCHAINS

MD, Software RAID

mdadm, Configuring RAID (using mdadm)

memory

physical, free
virtual, free

memory usage, Measure and Troubleshoot Resource Usage (200.1)

mgetty, PPP Server

minor release, Scheme up to 2.6.0 kernels

mirroring, RAID levels

mkfs, Creating Filesystems

mkfs.ext2, Creating Filesystems

mkisofs, Creating an image for a CD-ROM

mkswap, Swap

modinfo, modinfo

modprobe, modprobe

monitor resource usage, Predict Future Resource Needs (200.2)

monitoring

IO load, iostat

mount, Mounting and Unmounting, NFS client: software and configuration

mount count, tune2fs

MRTG, Monitoring Apache load and performance

MTU, Ethernet Interfaces

multi-user runlevels, The init process

N

named, Name-server components in BIND

named.conf, Name-server components in BIND

NAT, Network Address Translation (NAT) , Tables and Chains

ncd, Name-server components in BIND

net.ipv4.ip_forward, sysctl

netfilter, Implementation

hooks, Netfilter “hooks”

netmask, Ethernet Interfaces

netstat, Measure and Troubleshoot Resource Usage (200.1) , Estimate throughput and identify bottlenecks in a system including networking

network, Measure and Troubleshoot Resource Usage (200.1)

Network, Remote/Network storage

Network Address Translation, Network Address Translation (NAT)

network I/O, Measure and Troubleshoot Resource Usage (200.1)

Network Ingress Filtering, Description

network scanning, Description

NFS, The Loopback Interface, NFS - The Network File System

--all, The showmount command
--directories, The showmount command
--exports, The showmount command
-r, Activating an export list
-ua, Deactivating an export list
1024, NFS client: software and configuration
4096, NFS client: software and configuration
8192, NFS client: software and configuration
all_squash, Export options
bg, NFS client: software and configuration
client, Client, Server or both?
fg, NFS client: software and configuration
file handles, Best NFS version
firewall, Limiting access
hard, NFS client: software and configuration
intr, NFS client: software and configuration
kernel, Requirements for NFS
kernel space, The NFS daemon
mount, NFS client: software and configuration
NFSSVC_MAXBLKSIZE, NFS client: software and configuration
nfsvers=, NFS client: software and configuration
noatime, NFS client: software and configuration
noauto, NFS client: software and configuration
noexec, NFS client: software and configuration
nointr, NFS client: software and configuration
nosuid, NFS client: software and configuration
no_all_squash, Export options
no_root_squash, Export options
portmapper, Requirements for NFS
portmapper security, The portmapper
retry=, NFS client: software and configuration
ro, Export options, NFS client: software and configuration
root_squash, Export options
rpc.lockd, The nfs-utils package
rpc.mountd, The nfs-utils package
rpc.nfsd, The nfs-utils package
rpc.statd, The nfs-utils package
rsize, NFS client: software and configuration
rw, Export options, NFS client: software and configuration
securing, Securing NFS
server, Client, Server or both?
SIGHUP, The exportfs command
soft, NFS client: software and configuration
squashing, Export options
tcp, NFS client: software and configuration
timeo=, NFS client: software and configuration
udp, NFS client: software and configuration
user space, The NFS daemon
version 4, Best NFS version
without portmapper, The portmapper
wsize, NFS client: software and configuration

nfsstat, The nfsstat command

NIC address, What is a host declaration?

NIS, The Loopback Interface

nmap, Description

ACK sweep, Description
bounce attack, Description
network scanning, Description
NULL Scan, Description
options, Using the nmap command
ping sweep, Description
reverse-ident, Description
SYN sweep, Description
TCP SYN, Description
testing a firewall, Description
Xmas Tree, Description

nsswitch.conf, Name-server components in BIND

NULL Scan, Description

O

objdump, ldconfig

odd-numbered releases, Scheme up to 2.6.0 kernels

off, Configuring /etc/inittab

once, Configuring /etc/inittab

ondemand, Configuring /etc/inittab

open files, lsof

open relay, Description

how to test, Testing for open mail relaying

OpenLDAP, What is it?

openssl, How to create a SSL server Certificate

Openswan, IPSEC

Optical Media, Optical Media

OUTPUT, Tables and Chains

P

Packet Flooding, Description

PAGER, Core system variables

PAM

account, pam_unix
auth, pam_unix
login, How does it work?
nullok, pam_unix
optional, How does it work?
pam.conf, How does it work?
pam_ldap.so, pam_ldap
pam_nis.so, pam_nis
passwd, How does it work?
password, pam_unix
required, How does it work?
requisite, How does it work?
session, pam_unix
ssh, How does it work?
sufficient, How does it work?
try_first_pass, pam_unix
use_first_pass, pam_unix

panic, uname

PAP, PPP

partition, Filesystems, Physical installation

4, Extended partitions
extended, Extended partitions
logical, Extended partitions
primary, Extended partitions
type, More about partitions tables

partition table entry, More about partitions tables

partition type

0 Empty , More about partitions tables
1 FAT12 , More about partitions tables
10 OPUS , More about partitions tables
11 Hidden FAT12 , More about partitions tables
12 Compaq diagnost , More about partitions tables
14 Hidden FAT16 <3 , More about partitions tables
16 Hidden FAT16 , More about partitions tables
17 Hidden HPFS/NTF , More about partitions tables
18 AST Windows swa , More about partitions tables
1b Hidden Win95 FA , More about partitions tables
1c Hidden Win95 FA , More about partitions tables
1e Hidden Win95 FA , More about partitions tables
2 XENIX root , More about partitions tables
24 NEC DOS , More about partitions tables
3 XENIX usr , More about partitions tables
3c Partition TypeMagic , More about partitions tables
4 FAT16 <32M , More about partitions tables
40 Venix 80286 , More about partitions tables
41 PPC PReP Boot , More about partitions tables
42 SFS , More about partitions tables
4d QNX4.x , More about partitions tables
4e QNX4.x 2nd part , More about partitions tables
4f QNX4.x 3rd part , More about partitions tables
5 Extended , More about partitions tables
50 OnTrack DM , More about partitions tables
51 OnTrack DM6 Aux , More about partitions tables
52 CP/M , More about partitions tables
53 OnTrack DM6 Aux , More about partitions tables
54 OnTrackDM6 , More about partitions tables
55 EZ-Drive , More about partitions tables
56 Golden Bow , More about partitions tables
5c Priam Edisk , More about partitions tables
6 FAT16 , More about partitions tables
61 SpeedStor , More about partitions tables
63 GNU HURD or Sys , More about partitions tables
64 Novell Netware , More about partitions tables
65 Novell Netware , More about partitions tables
7 HPFS/NTFS , More about partitions tables
70 DiskSecure Mult , More about partitions tables
75 PC/IX , More about partitions tables
8 AIX , More about partitions tables
80 Old Minix , More about partitions tables
81 Minix / old Lin , More about partitions tables
82 Linux swap , More about partitions tables
83 Linux , More about partitions tables
84 OS/2 hidden C: , More about partitions tables
85 Linux extended , More about partitions tables
86 NTFS volume set , More about partitions tables
87 NTFS volume set , More about partitions tables
9 AIX bootable , More about partitions tables
93 Amoeba , More about partitions tables
94 Amoeba BBT , More about partitions tables
a OS/2 Boot Manag , More about partitions tables
a0 IBM Thinkpad hi , More about partitions tables
a5 BSD/386 , More about partitions tables
a6 OpenBSD , More about partitions tables
a7 NeXTSTEP , More about partitions tables
b Win95 FAT32 , More about partitions tables
b7 BSDI fs , More about partitions tables
b8 BSDI swap , More about partitions tables
c Win95 FAT32 (LB , More about partitions tables
c1 DRDOS/sec (FAT- , More about partitions tables
c4 DRDOS/sec (FAT- , More about partitions tables
c6 DRDOS/sec (FAT- , More about partitions tables
c7 Syrinx , More about partitions tables
db CP/M / CTOS / . , More about partitions tables
e Win95 FAT16 (LB , More about partitions tables
e1 DOS access , More about partitions tables
e3 DOS R/O , More about partitions tables
e4 SpeedStor , More about partitions tables
eb BeOS fs , More about partitions tables
f Win95 Ext'd (LB , More about partitions tables
f1 SpeedStor , More about partitions tables
f2 DOS secondary , More about partitions tables
f4 SpeedStor , More about partitions tables
fd Linux raid auto , More about partitions tables
fe LANstep , More about partitions tables
ff BBT , More about partitions tables

Password Authentication Protocol, Authentication with PPP

patch, Patching a Kernel

--quiet, Patching a Kernel
--remove-empty-files, Patching a Kernel
--reverse, Patching a Kernel
--silent, Patching a Kernel
--strip, Patching a Kernel
-E, Patching a Kernel
-p, Patching a Kernel
-R, Patching a Kernel
-s, Patching a Kernel

patch level, Scheme up to 2.6.0 kernels

PATH, Core system variables

PEM, How to create a SSL server Certificate

PHP, Configuring mod_php support

Physical Extents, Configuring Logical Volume Management

Physical Volume, Configuring Logical Volume Management

ping, ifconfig

ping sweep, Description

PKC, Public key cryptography

Port mapping, Description

Port redirection, Port Redirection with IPCHAINS

POSTROUTING, Tables and Chains

powerfail, Configuring /etc/inittab

powerfailnow, Configuring /etc/inittab

powerokwait, Configuring /etc/inittab

powerwait, Configuring /etc/inittab

PPP, Routing Through a Gateway, PPP

Account, PPP Server
Client, PPP Client
Server, PPP Server

ppp0, PPP Client

pppd, PPP

PREROUTING, Tables and Chains

Print Services for Unix, Using lpr

printcap, Using a Windows printer from Linux

printers, Using Samba

Private Network Addresses, Private Network Addresses

processes blocked on IO, Measure and Troubleshoot Resource Usage (200.1)

procfs, sysctl

proper editor, Editors

PS1, Core system variables

PS2, Core system variables

PS3, Core system variables

PS4, Core system variables

pstree, ps, Measure and Troubleshoot Resource Usage (200.1)

R

RAID, What is RAID?

0, RAID levels
1, RAID levels
4, RAID levels
5, RAID levels
hardware, Hardware RAID
Linear, RAID levels
software, Software RAID

raidstart, Configuring RAID (using mdadm)

readline, Shell startup environment

reboot, The init process

removing a patch, Removing a kernel patch from a production kernel

reserved blocks, tune2fs

Resource Usage

Measure, Measure and Troubleshoot Resource Usage (200.1)
Troubleshoot, Measure and Troubleshoot Resource Usage (200.1)

respawn, Configuring /etc/inittab

reverse zone, Zones and reverse zones

reverse-ident, Description

RFC1256, The Firm's network with IPCHAINS

RFC1631, Network Address Translation (NAT)

RFC2827, Description

RFC792, The Firm's network with IPCHAINS

RFC950, The Firm's network with IPCHAINS

rmmod, rmmod

rndc, The rndc program

Rock Ridge, Creating an image for a CD-ROM

rogue host, arp and arpwatch

ROM, The bootstrap process

route, Configuring the network interface, route, IP Masquerading with IPCHAINS

routing, Routing Through a Gateway

routing table, Configuring the network interface

ROWS, Core system variables

RPC, The Loopback Interface, Configuring the kernel for NFS

rpcinfo, rpcinfo

RRDtool, Monitoring Apache load and performance

RSA, How to create a SSL server Certificate

RSA-key, Host keys

Rsync, Rsync

runlevel, The init process

runlevel 1, The init process

runlevel 2-5, The init process

runlevel 6, The init process

runlevel s, The init process

runlevel S, The init process

S

Samba, What is Samba?

samba

%S, Accessing Samba shares from Windows 2000
download, With smbclient
get, With smbclient
global, Accessing Samba shares from Windows 2000
homes, Accessing Samba shares from Windows 2000
inetd, Installing the Samba components
logon scripts, Creating logon scripts for clients
messaging, Sending a message with smbclient
mget, With smbclient
MS Windows quirk, Making the second connection from Windows 2000
nmbd, Installing the Samba components
nmblookup, Using nmblookup to test the WINS Server
password, Making the first connection from Windows 2000
path, Using Samba
port 137, Installing the Samba components
port 139, Installing the Samba components
printers, Accessing Samba shares from Windows 2000
printing, Using Samba
smb.conf, Accessing Samba shares from Windows 2000
smbd, Installing the Samba components
smbmount, With smbmount
smbpasswd, Installing the Samba components
smbspool, Using a Windows printer from Linux
smbstatus, Making the first connection from Windows 2000
username, Making the first connection from Windows 2000
WINS, Using Samba as a WINS Server

sar, Measure and Troubleshoot Resource Usage (200.1)

scp, SSH client and server

SCSI, Write the CD-image to a CD, Hardware RAID

sector 0, The bootstrap process

sector 0 of kernel, Kernel loading

security alerts, Security alerts

security vulnerabilities, Description

securityfocus, Website

SEI, Description

Server Message Block protocol, What is Samba?

set, Core system variables

set -o noclobber, Shell startup environment

set -o vi, Shell startup environment

shared libraries, Shared libraries

shared objects

-Ldir, How the dynamic linker locates shared objects
/etc/ld.so.cache, How the dynamic linker locates shared objects
/etc/ld.so.conf, ldconfig
dynamic section, ldconfig
ld -rpath, How the dynamic linker locates shared objects
ldconfig, ldconfig
ldconfig -p, How the dynamic linker locates shared objects
ldd, How the dynamic linker locates shared objects
LD_LIBRARY_PATH, How the dynamic linker locates shared objects
libc5, ldconfig
libc6, ldconfig
linkname, Naming schemes for shared objects
locating, How the dynamic linker locates shared objects
major number, Shared object version numbering
minor number, Shared object version numbering
naming schemes, Naming schemes for shared objects
objdump, ldconfig
patchlevel, Shared object version numbering
real name, Naming schemes for shared objects
soname, Naming schemes for shared objects
upgrading, Naming schemes for shared objects
version numbering, Shared object version numbering

SHELL, Core system variables

shell, Shell startup environment

SHLVL, Core system variables

showmount, Exporting filesystems, The showmount command, The showmount --exports command

single user mode, Booting into single user mode or a specific runlevel

slapcat, LDIF

slapd, slapd.conf

slapd.conf, slapd.conf

SLIP, PPP

SMB, What is Samba?

smbclient, An example of the functionality we wish to achieve , With smbclient

smbmount, With smbmount

snapshots, LVM Snapshots

SNAT, Adding targets

software RAID, Software RAID

Split DNS, Split DNS: two DNS servers on one machine

split-level DNS, Internal DNS

squid, squid

-k reconfigure, squid
ACL, Access policies
authentication, Authenticators
auth_param, squid
cache_dir, squid
cache_mem, Utilizing memory usage
cache_swap, Utilizing memory usage
deny access, Redirectors
http_access, squid
http_access allow, Access policies
http_access deny, Access policies
http_port, squid
maximum_object_size, Utilizing memory usage
minimum_object_size, Utilizing memory usage
redirector, Redirectors
redirect_program, squid
squid.conf, Access policies
SSL, squid
StoreEntry, Utilizing memory usage

srm.conf, Installing the Apache web-server

SSH, VPN Types

ssh, SSH client and server

.rhosts, Host keys , The .rhosts and .shosts files
.shosts, The .rhosts and .shosts files
AllowGroups, Allow or deny non-root logins
AllowUsers, Allow or deny non-root logins
authorized_keys, User keys, public and private
Blowfish, Host keys
configure sshd, Configuring sshd
DenyGroups, Allow or deny non-root logins
DenyUsers, Allow or deny non-root logins
ForwardAgent, Enable agent forwarding
Host Keys, Host keys
id_dsa, User keys, public and private
id_dsa.pub, User keys, public and private
keys, Keys and their purpose
PasswordAuthentication, Allow or deny non-root logins
passwordless, Enabling or disabling Passwordless Authentication
PermitRootLogin, Allow or deny root logins
Port mapping, Description
Protocol, Allow or deny non-root logins
protocol version 1, Host keys
protocol version 2, Host keys
PubkeyAuthentication, Allow or deny non-root logins , Enabling or disabling Passwordless Authentication
RSA, Host keys
ssh-add, Login session
ssh-agent, ssh-agent
sshd_config, Configuring sshd
SSH_AGENT_PID, Login session
The X Window System, Enabling or disabling X forwarding
tunnel, Description
User Keys, User keys, public and private
Version, Setting the Protocol version
X Sessions, Enabling X-sessions
X11DisplayOffset, Enabling or disabling X forwarding
X11Forwarding, Enabling or disabling X forwarding
XAuthLocation, Enabling or disabling X forwarding

ssh-keygen, User keys, public and private

sshd, SSH client and server

sshd_config, Configuring sshd

SSL, Encrypted webservers: SSL

SSSD, OpenLDAP and SSSD

state, Connection tracking: Stateful Firewalling , Adding matching modules

Stateful Firewall, Connection tracking: Stateful Firewalling

static libraries, Shared libraries

statistics

transfer rate, sar

strace, strace

striping, RAID levels

superblock, Filesystems

superblock location, debugfs

support

debian, Getting help
mandrake, Getting help
Red Hat, Getting help
SuSE, Getting help

swap, Measure and Troubleshoot Resource Usage (200.1) , Swap

swapon, Swap

SYN Attack, Description

SYN sweep, Description

sysctl, Using sysctl, Using /proc/sys/net/ipv4 (sysctl) to prevent simple DOS attacks , sysctl

sysctl -a, sysctl

sysinit, Configuring /etc/inittab

syslog

,, syslogd
alert, syslogd
auth, syslogd
authpriv, syslogd
crit, syslogd
cron, syslogd
daemon, syslogd
emerg, syslogd
err, syslogd
ftp, syslogd
info, syslogd
kern, syslogd
local0..7, syslogd
lpr, syslogd
mail, syslogd
news, syslogd
notice, syslogd
real file, syslogd
remote host, syslogd
split log, syslogd
syslog, syslogd
target logfile, syslogd
tty, syslogd
user, syslogd
user notify, syslogd
uucp, syslogd
wall, syslogd
warning, syslogd

syslog.conf, syslogd

T

Tape, Tape

Tar, TAR

TCP SYN, Description

tcp wrapper, Securing the portmapper

TCP wrappers, What do TCP wrappers do?

/etc/hosts.allow, /etc/hosts.allow and /etc/hosts.deny
/etc/hosts.deny, /etc/hosts.allow and /etc/hosts.deny
host_access, /etc/hosts.allow and /etc/hosts.deny
inetd, What do TCP wrappers do?
inetd.conf, Configuring inetd for use with TCP wrappers
tcpd, What do TCP wrappers do?
xinetd, Configuring xinetd for use with tcp-wrappers

tcpd, What do TCP wrappers do?

tcpdump, tcpdump

telnet, The Loopback Interface

TERM, Core system variables

time-to-live, Routing Through a PPP Link

TIME_EXCEEDED, traceroute

TLS, Encrypted webservers: SSL

TMPDIR, Core system variables

top, Measure and Troubleshoot Resource Usage (200.1) , Estimate throughput and identify bottlenecks in a system including networking

traceroute, route

transparent proxy, Web-caches

Triple-DES, How to create a SSL server Certificate

troubleshooting

/etc/group, Troubleshooting authorisation problems
/etc/inittab, Troubleshooting /etc/inittab and /sbin/init
/etc/lilo.conf, Resolving initial boot problems
/etc/login.defs, Troubleshooting /etc/login.defs
/etc/modules.conf, insmod
/etc/passwd, Troubleshooting authorisation problems
/etc/profile, Troubleshooting /etc/profile
/etc/rc?.d, Troubleshooting /etc/inittab and /sbin/init
/etc/shadow, Troubleshooting authorisation problems
/proc, /proc filesystem
/proc/interrupts, Resolving IRQ/DMA conflicts
/proc/pci/, Resolving IRQ/DMA conflicts
/sbin/init, Troubleshooting /etc/inittab and /sbin/init
1024 cylinder boundary, Resolving initial boot problems
131072K, Resolving kernel boot problems
1700-1791, Resolving initial boot problems
64MB, Resolving kernel boot problems
adding a drive, Resolving initial boot problems
AT E, Troubleshooting /etc/inittab and /sbin/init
AT Q, Troubleshooting /etc/inittab and /sbin/init
authorisation, Troubleshooting authorisation problems
bad cabling, Resolving initial boot problems
blocking traffic, An example situation
booting problems, Resolving initial boot problems
boottime scripts, Troubleshooting /etc/inittab and /sbin/init
cannot login, Troubleshooting authorisation problems
carrier detect, Troubleshooting /etc/inittab and /sbin/init
components involved, An example situation
connector seating, Resolving initial boot problems
cost effectiveness, Troubleshooting - a word of caution
cron, Troubleshooting cron processes
deactivate PNP, Resolving initial boot problems
default runlevel, Troubleshooting /etc/inittab and /sbin/init
depmod, modprobe
Disk Controller Error, Resolving initial boot problems
disk geometry, Resolving initial boot problems
environment variables, Core system variables
export, Core system variables
fdisk, Resolving initial boot problems
firewall, An example situation
first step, An example situation
fsck, Resolving initial boot problems
fuser, fuser
getting help, Getting help
getty respawning too fast, Troubleshooting /etc/inittab and /sbin/init
hardware problems, Resolving initial boot problems
HOP, An example situation
ICMP, An example situation
IDE, Resolving initial boot problems
insmod, insmod
IRQ/DMA, Resolving kernel boot problems
IRQ/DMA conflicts, Resolving IRQ/DMA conflicts
LILO, Resolving initial boot problems
login proces, Login process
lsdev, Resolving IRQ/DMA conflicts
lshw, lshw
lsmod, lsmod
lsof, lsof
lspci, Resolving IRQ/DMA conflicts
ltrace, ltrace
MBR, Resolving initial boot problems
modem, Troubleshooting /etc/inittab and /sbin/init
modprobe, modprobe
networks, Something on network troubleshooting in general
No Fixed Disk Found, Resolving initial boot problems
PANIC, Resolving kernel boot problems
physical problem, An example situation
ping, An example situation
Plug And Play, Resolving initial boot problems
rdev, Resolving initial boot problems
rescue disk, Resolving initial boot problems
routing, An example situation
SCSI, Resolving initial boot problems
setup BIOS, Resolving initial boot problems
strace, strace
strings, strings
traceroute, An example situation
UDMA, Resolving initial boot problems
VFS unable to mount root fs, Resolving kernel boot problems

TTL, traceroute, The Firm's network with IPCHAINS

tune2fs, Maintaining a Linux Filesystem (203.2), tune2fs, Using tune2fs

tunefs

-c, tune2fs
-C, tune2fs
-i, tune2fs
-m, tune2fs
-r, tune2fs

tunnel, What Is A VPN

tunneling, Description

U

UID, Core system variables

umount, Mounting and Unmounting

uname, uname

--all, uname
--hardware-platform, uname
--kernel-name, uname
--kernel-release, uname
--kernel-version, uname
--machine, uname
--nodename, uname
--operating-system, uname
--processor, uname
-a, uname
-i, uname
-m, uname
-n, uname
-o, uname
-p, uname
-r, uname
-s, uname
-v, uname

unmount, Mounting and Unmounting

unresolved symbol, insmod

UPS, Configuring /etc/inittab

uptime, Measure and Troubleshoot Resource Usage (200.1)

USER, Core system variables

useradd, Troubleshooting authorisation problems

userdel, Troubleshooting authorisation problems

V

Van Jacobson, PPP

version numbering, Scheme up to 2.6.0 kernels

vi, Shell startup environment, Editors

vim, Editors

virtual hosting, Apache Virtual Hosting

virtual memory

statistics, vmstat

vmstat, Measure and Troubleshoot Resource Usage (200.1) , Estimate throughput and identify bottlenecks in a system including networking

VPN, What Is A VPN

vulnerability, Security alerts

vulnerable, PAP Versus CHAP

W

w, Measure and Troubleshoot Resource Usage (200.1)
wait, Configuring /etc/inittab
web-cache, Web-caches
winpopup, Sending a message with smbclient
WINS, What is a WINS Server?

X

X.500, What is it?
XFS, Filesystems
xinetd, Configuring xinetd for use with tcp-wrappers
Xmas Tree, Description

Z

zImage, Kernel Components (201.1), Different types of kernel images
zone, Zones and reverse zones

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