102-500 Exam Information and Guideline
LPIC-1 Exam 102, version 5.0
Below are complete topics detail with latest syllabus and course outline, that will help you good knowledge about exam objectives and topics that you have to prepare. These contents are covered in questions and answers pool of exam.
- 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
- Use standard sh syntax (loops, tests).
- Use command substitution.
- Test return values for success or failure or other information provided by a command.
- Execute chained commands.
- 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.
- Understanding of the X11 architecture.
- Basic understanding and knowledge of the X Window configuration file.
- Overwrite specific aspects of Xorg configuration, such as keyboard layout.
- Understand the components of desktop environments, such as display managers and window managers.
- Manage access to the X server and display applications on remote X servers.
- Awareness of Wayland.
- /etc/X11/xorg.conf
- /etc/X11/xorg.conf.d/
- ~/.xsession-errors
- xhost
- xauth
- DISPLAY
- X
- Awareness of major desktop environments
- Awareness of protocols to access remote desktop sessions
- KDE
- Gnome
- Xfce
- X11
- XDMCP
- VNC
- Spice
- RDP
- Basic knowledge of visual settings and themes.
- Basic knowledge of assistive technology.
- High Contrast/Large Print Desktop Themes.
- Screen Reader.
- Braille Display.
- Screen Magnifier.
- On-Screen Keyboard.
- Sticky/Repeat keys.
- Slow/Bounce/Toggle keys.
- Mouse keys.
- Gestures.
- Voice recognition.
- 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
- Manage cron and at jobs.
- Configure user access to cron and at services.
- Understand systemd timer units.
- /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
- systemctl
- systemd-run
- 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
- Set the system date and time.
- Set the hardware clock to the correct time in UTC.
- Configure the correct timezone.
- Basic NTP configuration using ntpd and chrony.
- Knowledge of using the pool.ntp.org service.
- Awareness of the ntpq command.
- /usr/share/zoneinfo/
- /etc/timezone
- /etc/localtime
- /etc/ntp.conf
- /etc/chrony.conf
- date
- hwclock
- timedatectl
- ntpd
- ntpdate
- chronyc
- pool.ntp.org
- Basic configuration of rsyslog.
- Understanding of standard facilities, priorities and actions.
- Query the systemd journal.
- Filter systemd journal data by criteria such as date, service or priority
- Configure persistent systemd journal storage and journal size
- Delete old systemd journal data
- Retrieve systemd journal data from a rescue system or file system copy
- Understand interaction of rsyslog with systemd-journald
- Configuration of logrotate.
- Awareness of syslog and syslog-ng.
- /etc/rsyslog.conf
- /var/log/
- logger
- logrotate
- /etc/logrotate.conf
- /etc/logrotate.d/
- journalctl
- systemd-cat
- /etc/systemd/journald.conf
- /var/log/journal/
- Create e-mail aliases.
- Configure e-mail forwarding.
- Knowledge of commonly available MTA programs (postfix, sendmail, exim) (no configuration)
- ~/.forward
- sendmail emulation layer commands
- newaliases
- mail
- mailq
- postfix
- sendmail
- exim
- 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)
- understanding of network masks and CIDR notation.
- differences between private and public "dotted quad" IP addresses.
- 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).
- differences and major features of UDP, TCP and ICMP.
- major differences between IPv4 and IPv6.
- Knowledge of the basic features of IPv6.
- /etc/services
- IPv4, IPv6
- Subnetting
- TCP, UDP, ICMP
- Understand basic TCP/IP host configuration
- Configure ethernet and wi-fi network configuration using NetworkManager
- Awareness of systemd-networkd
- /etc/hostname
- /etc/hosts
- /etc/nsswitch.conf
- /etc/resolv.conf
- nmcli
- hostnamectl
- ifup
- ifdown
- Manually configure network interfaces, including viewing and changing the configuration of network interfaces using iproute2.
- Manually configure routing, including viewing and changing routing tables and setting the default route using iproute2.
- Debug problems associated with the network configuration.
- Awareness of legacy net-tools commands.
- ip
- hostname
- ss
- ping
- ping6
- traceroute
- traceroute6
- tracepath
- tracepath6
- netcat
- ifconfig
- netstat
- route
- Query remote DNS servers.
- Configure local name resolution and use remote DNS servers.
- Modify the order in which name resolution is done.
- Debug errors related to name resolution.
- Awareness of systemd-resolved
- /etc/hosts
- /etc/resolv.conf
- /etc/nsswitch.conf
- host
- dig
- getent
- 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
- 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
- systemd.socket
- /etc/inittab
- /etc/init.d/
- /etc/hosts.allow
- /etc/hosts.deny
- Perform basic OpenSSH 2 client configuration and usage.
- Understand the role of OpenSSH 2 server host keys.
- Perform basic GnuPG configuration, usage and revocation.
- Use GPG to encrypt, decrypt, sign and verify files.
- 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
- ~/.ssh/id_ecdsa and id_ecdsa.pub
- ~/.ssh/id_ed25519 and id_ed25519.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
- /etc/ssh/ssh_host_ecdsa_key and ssh_host_ecdsa_key.pub
- /etc/ssh/ssh_host_ed25519_key and ssh_host_ed25519_key.pub
- ~/.ssh/authorized_keys
- ssh_known_hosts
- gpg
- gpg-agent
- ~/.gnupg/