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package management
     Debian-based systems 2nd 3rd
         alien command
         apt-get command
         dpkg command
         dselect command
     review exercises
     review questions
     RPM (Red Hat Package Manager) 2nd 3rd
         rpm command
         running rpm
         verifying packages 2nd
package.spec file
packages
     build process
     building deb packages
         signing packages
     building RPM packages
     Debian package names
     modifying deb packages
     modifying RPM packages
     Perl
     security concerns
Page Description Language (PDL)
pager alerts
     sending from script
pagers 2nd
PAM (Pluggable Authentication Modules) 2nd
     configuration
         control-flag
         module-path and arguments
         module-type
     LDAP client authentication
     pam_krb5, adding Kerberos authentication
pam_ldap package
     configuring
PAP (Password Authentication Protocol) 2nd
parallel ports
parent process
parent process ID (PID)
parted (Partition EDitor) 2nd
partitioning 2nd 3rd
     configuring disk partitions
     example scheme
     hard disk layout, designing 2nd 3rd
         guidelines for Linux system
         swap space
         system considerations
partitions
     creating with fdisk
     initializing for LVM
     mounted to root filesystem
     resizing
     resizing, moving, and copying
     swap partitions, creating
     types of
pass number for fsck (/etc/fstab)
passwd command 2nd
passwd file 2nd
     /group
     fields
     problems with
Password Authentication Protocol (PAP) 2nd
password file
passwords
     Apache
     authorization problems, troubleshooting
     checking for INN
     managing
     NIS server 2nd
     Samba
     shadow 2nd 3rd
         host security
         management commands
paste command 2nd
patches, kernel 2nd
     ACL (Access Control List)
     applying a patch
     getting
     removing
path directive, modules.conf
PATH environment variable 2nd 3rd 4th
     attacks involving changes by user
     commands not in, entering
     cron jobs, problems with
     security risks
patterns (regular expressions) 2nd
PC expansion cards, setup
PCI buses and connected devices, listing data for
PCI hardware, listing for a machine
PCMCIA devices
     commands
     configuration files
         /etc/pcmcia/*.opts file
         /etc/pcmcia/config
         /etc/pcmcia/config.opts
         /etc/pcmcia/network.opts
     troubleshooting
         boot problems
         common errors
         kernel upgrades
         steps in process
PCMCIA network cards, configuration
pcmcia-cs module
pcnetconfig command 2nd
PDL (Page Description Language)
Pearson VUE
peer-to-peer protocols
performance tuning, Apache
Perl
     integration with Apache
     learning
     scripting with
         adding new disks attached to HBA controller
         fetching and processing web logs
         log watching
         regular expressions
         security concerns
         using CPAN
permissions 2nd 3rd
     cron facility
     default setting
     executable files
     listed
     shell scripts
     special permissions
     workgroup directory
PHP
     downloading source code and compiling
     integration into Apache
     verifying installation
physical connections, troubleshooting for hardware
PID (parent process ID)
PID (process ID)
pidof command
ping command 2nd 3rd 4th
PIO (programmed I/O) modes
pipeline
pipes 2nd 3rd
     running pipeline of commands
pivot_root command
plain text 2nd
PnP (plug-and-play) devices 2nd
     configuration methods
     configuring
poff (PPP off) 2nd
     poff command syntax and options
pon (PPP on) 2nd
popen command
port forwarding
     ipmasqadm command
     SSH 2nd
port numbers 2nd
     privileged, common
port scans
portmap daemon 2nd
portmapper utility 2nd
     checking whether alive
ports
     Apache listening on
     attacks
PortSentry
position anchors (regular expressions) 2nd 3rd
positional parameters
%post macro
post-install directive, modules.conf
post-remove directive, modules.conf
postfix MTA
postmaster address
PostScript
PPP (Point-to-Point Protocol) 2nd 3rd 4th
     authentication
     authentication protocols
     chat scripts
     connections, establishing
     dial-up connections
         ISDN daemon, ipppd
     ISDN connections
     network interface configuration with ifconfig
     over ISDN
     pppd 2nd
         manual connection (example)
pppconfig tool
PPPoE (PPP over Ethernet)
pppsetup tool
pr command 2nd
pre-install directive, modules.conf
pre-remove directive, modules.conf
%preun (pre-uninstall) macro
PRI column (process priority)
primary (mail) servers
primary DNS server
primary IDE interface
primary partitions 2nd
print jobs
     removing from print queue
print queues 2nd
     lpq program
     lprm program
     remote printers
printable directive (smb.conf)
printcap (printer capabilities) file 2nd 3rd
     APSFilter description
     filter specification
     remote printers
PRINTER environment variable
printing
     files 2nd
     installing and configuring printers 2nd
         filters
         printcap file
         remote lpd and Samba printers
     managing printers and print queues 2nd
         Linux printing, overview
         print queues
     overview
         BSD versus SysV
     printer sharing, using Samba
    queues
         querying
     remote queues and Samba printers
     review questions and exercises
priorities
     mail servers
     processes
     syslog
privileged ports 2nd
/proc filesystem 2nd 3rd 4th
     /dma file
     /interrupts file
     /ioports file
     /mdstat file
     /modules file
     /mounts file
         example
     /pci pseudofile
     /sys files
     /sys/net/ipv4 directory
     /sys/net/ipv4/ip_forward
     hardware information
     troubleshooting kernel parameters
process ID (PID)
processes
     attributes and associated concepts
     checking status of and sending alerts
     execution priorities 2nd 3rd
     failure to start in specified runlevel
     httpd, starting and stopping
     managing 2nd 3rd
         forcing to die
         monitoring processes
         shell job control
         signaling active processes
         terminating
Procmail
     files
     monitoring and troubleshooting
     recipes
         examples
profile file
.profile file
profile file
     example
     example systemwide Bash profile
programming languages, shells
programming, secure
programs from source 2nd 3rd
     compiling bash (example)
     compiling open source software
     getting open source and free software
     installing compiled software
programs, launching and managing with shells
prompt directive
prompts
protocols
     Layer 2, synchronous and asynchronous connections
     networking 2nd
ps command 2nd
     verifying httpd process
PS1 (Prompt String 1)
pstree command 2nd
PTR (pointer) records 2nd
public key authentication
     generating and using SSH keys
pump (DHCP client)
pvcreate command
pvdisplay command 2nd 3rd
pvmove command
pvscan command 2nd
pwconv command 2nd 3rd
pwunconv command 2nd