LPIC 102

LPIC 102

1. LPIC-1 Exam 102

   • 105.1 Customize and use the shell environment
     • Set environment variables (e.g. PATH) at login or when spawning a new shell
     • Write Bash functions for frequently used sequences of commands
     • Maintain skeleton directories for new user accounts
     • Set command search path with the proper directory
     • source
     • /etc/bash.bashrc
     • /etc/profile
     • env
     • export
     • set
     • unset
     • ~/.bash_profile
     • ~/.bash_login
     • ~/.profile
     • ~/.bashrc
     • ~/.bash_logout
     • function
     • alias
     • lists
   • 105.2 Customize or write simple scripts
     • Use standard sh syntax (loops, tests)
     • Use command substitution
     • Test return values for success or failure or other information provided by a command
     • Perform conditional mailing to the superuser
     • Correctly select the script interpreter through the shebang (#!) line
     • Manage the location, ownership, execution and suid-rights of scripts
     • for
     • while
     • test
     • if
     • read
     • seq
     • exec
   • 105.3 SQL data management
     • Use of basic SQL commands
     • Perform basic data manipulation
     • insert
     • update
     • select
     • delete
     • from
     • where
     • group by
     • order by
     • join
   • 106.1 Install and configure X11
     • Verify that the video card and monitor are supported by an X server
     • Awareness of the X font server
     • Basic understanding and knowledge of the X Window configuration file
     • /etc/X11/xorg.conf
     • xhost
     • DISPLAY
     • xwininfo
     • xdpyinfo
     • X
   • 106.2 Setup a display manager
     • Basic configuration of LightDM
     • Turn the display manager on or off
     • Change the display manager greeting
     • Awareness of XDM, KDM and GDM
     • lightdm
     • /etc/lightdm/
   • 106.3 Accessibility
     • Basic knowledge of keyboard accessibility settings (AccessX)
     • Basic knowledge of visual settings and themes
     • Basic knowledge of assistive technology (ATs)
     • Sticky/Repeat Keys
     • Slow/Bounce/Toggle Keys
     • Mouse Keys
     • High Contrast/Large Print Desktop Themes
     • Screen Reader
     • Braille Display
     • Screen Magnifier
     • On-Screen Keyboard
     • Gestures (used at login, for example GDM)
     • Orca
     • GOK
     • emacspeak
   • 107.1 Manage user and group accounts and related system files
     • Add, modify and remove users and groups
     • Manage user/group info in password/group databases
     • Create and manage special purpose and limited accounts
     • /etc/passwd
     • /etc/shadow
     • /etc/group
     • /etc/skel/
     • chage
     • getent
     • groupadd
     • groupdel
     • groupmod
     • passwd
     • useradd
     • userdel
     • usermod
   • 107.2 Automate system administration tasks by scheduling jobs
     • Manage cron and at jobs
     • Configure user access to cron and at services
     • Configure anacron
     • /etc/cron.{d,daily,hourly,monthly,weekly}/
     • /etc/at.deny
     • /etc/at.allow
     • /etc/crontab
     • /etc/cron.allow
     • /etc/cron.deny
     • /var/spool/cron/
     • crontab
     • at
     • atq
     • atrm
     • anacron
     • /etc/anacrontab
   • 107.3 Localisation and internationalisation
     • Configure locale settings and environment variables
     • Configure timezone settings and environment variables
     • /etc/timezone
     • /etc/localtime
     • /usr/share/zoneinfo/
     • LC_*
     • LC_ALL
     • LANG
     • TZ
     • /usr/bin/locale
     • tzselect
     • timedatectl
     • date
     • iconv
     • UTF-8
     • ISO-8859
     • ASCII
     • Unicode
   • 108.1 Maintain system time
     • Set the system date and time
     • Set the hardware clock to the correct time in UTC
     • Configure the correct timezone
     • Basic NTP configuration
     • Knowledge of using the pool.ntp.org service
     • Awareness of the ntpq command
     • /usr/share/zoneinfo/
     • /etc/timezone
     • /etc/localtime
     • /etc/ntp.conf
     • date
     • hwclock
     • ntpd
     • ntpdate
     • pool.ntp.org
   • 108.2 System logging
     • Configuration of the syslog daemon
     • Understanding of standard facilities, priorities and actions
     • Configuration of logrotate
     • Awareness of rsyslog and syslog-ng
     • syslog.conf
     • syslogd
     • klogd
     • /var/log/
     • logger
     • logrotate
     • /etc/logrotate.conf
     • /etc/logrotate.d/
     • journalctl
     • /etc/systemd/journald.conf
     • /var/log/journal/
   • 108.3 Mail Transfer Agent (MTA) basics
     • Create e-mail aliases
     • Configure e-mail forwarding
     • Knowledge of commonly available MTA programs (postfix, sendmail, qmail, exim) (no configuration)
     • ~/.forward
     • sendmail emulation layer commands
     • newaliases
     • ~/.forward
     • sendmail emulation layer commands
     • newaliases
     • mail
     • mailq
     • postfix
     • sendmail
     • exim
     • qmail
   • 108.4 Manage printers and printing
     • Basic CUPS configuration (for local and remote printers)
     • Manage user print queues
     • Troubleshoot general printing problems
     • Add and remove jobs from configured printer queues
     • CUPS configuration files, tools and utilities
     • /etc/cups/
     • lpd legacy interface (lpr, lprm, lpq)
   • 109.1 Fundamentals of internet protocols
     • Demonstrate an understanding of network masks and CIDR notation
     • Knowledge of the differences between private and public “dotted quad” IP addresses
     • Knowledge about common TCP and UDP ports and services (20, 21, 22, 23, 25, 53, 80, 110, 123, 139, 143, 161, 162, 389, 443, 465, 514, 636, 993, 995)
     • Knowledge about the differences and major features of UDP, TCP and ICMP
     • Knowledge of the major differences between IPv4 and IPv6
     • Knowledge of the basic features of IPv6
     • /etc/services
     • IPv4, IPv6
     • Subnetting
     • TCP, UDP, ICMP
   • 109.2 Basic network configuration
     • Manually and automatically configure network interfaces
     • Basic TCP/IP host configuration
     • Setting a default route
     • /etc/hostname
     • /etc/hosts
     • /etc/nsswitch.conf
     • ifconfig
     • ifup
     • ifdown
     • ip
     • route
     • ping
   • 109.3 Basic network troubleshooting
     • Manually and automatically configure network interfaces and routing tables to include adding, starting, stopping, restarting, deleting or reconfiguring network interfaces
     • Change, view, or configure the routing table and correct an improperly set default route manually
     • Debug problems associated with the network configuration
     • ifconfig
     • ip
     • ifup
     • ifdown
     • route
     • host
     • hostname
     • dig
     • netstat
     • ping
     • ping6
     • traceroute
     • traceroute6
     • tracepath
     • tracepath6
     • netcat
   • 109.4 Configure client side DNS
     • Query remote DNS servers
     • Configure local name resolution and use remote DNS servers
     • Modify the order in which name resolution is done
     • /etc/hosts
     • /etc/resolv.conf
     • /etc/nsswitch.conf
     • host
     • dig
     • getent
   • 110.1 Perform security administration tasks
     • Audit a system to find files with the suid/sgid bit set
     • Set or change user passwords and password aging information
     • Being able to use nmap and netstat to discover open ports on a system
     • Set up limits on user logins, processes and memory usage
     • Determine which users have logged in to the system or are currently logged in
     • Basic sudo configuration and usage
     • find
     • passwd
     • fuser
     • lsof
     • nmap
     • chage
     • netstat
     • sudo
     • /etc/sudoers
     • su
     • usermod
     • ulimit
     • who, w, last
   • 110.2 Setup host security
     • Awareness of shadow passwords and how they work
     • Awareness of shadow passwords and how they work
     • Turn off network services not in use
     • Understand the role of TCP wrappers
     • /etc/nologin
     • /etc/passwd
     • /etc/shadow
     • /etc/xinetd.d/
     • /etc/xinetd.conf
     • /etc/inetd.d/
     • /etc/inetd.conf
     • /etc/inittab
     • /etc/init.d/
     • /etc/hosts.allow
     • /etc/hosts.deny
   • 110.3 Securing data with encryption
     • Perform basic OpenSSH 2 client configuration and usage
     • Understand the role of OpenSSH 2 server host keys
     • Perform basic GnuPG configuration, usage and revocation
     • Understand SSH port tunnels (including X11 tunnels)
     • ssh
     • ssh-keygen
     • ssh-agent
     • ssh-add
     • ~/.ssh/id_rsa and id_rsa.pub
     • ~/.ssh/id_dsa and id_dsa.pub
     • /etc/ssh/ssh_host_rsa_key and ssh_host_rsa_key.pub
     • /etc/ssh/ssh_host_dsa_key and ssh_host_dsa_key.pub
     • ~/.ssh/authorized_keys
     • ssh_known_hosts
     • gpg
     • ~/.gnupg/