COURSE OBJECTIVE:
• Shells and Shell Scripting
• Interfaces and Desktops
• Administrative Tasks
• Essential System Services
• Networking Fundamentals
• Security
To become LPIC-1 certified the candidate must be able to:
• understand the architecture of a Linux system;
• install and maintain a Linux workstation, including X11 and setup it up as a network client;
• work at the Linux command line, including common GNU and Unix commands;
• handle files and access permissions as well as system security; and
• perform easy maintenance tasks: help users, add users to a larger system, backup and restore, shutdown and reboot.
TARGET AUDIENCE:
This course is for IT staff that want to acquire Linux skills. Typical functions for attendees of this course include support staff and junior system administration.
COURSE PREREQUISITES:
To attend this course, participants need to attend the LPIC-101 course or have experience at a comparable level.
COURSE CONTENT:
Topic 105: Shells and Shell Scripting 105.1 Customize and use the shell environment
Description: Candidates should be able to customize shell environments to meet users' needs. Candidates should be able to modify global and user profiles.
Key Knowledge Areas:
• 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.
105.2 Customize or write simple scripts
Description: Candidates should be able to customize existing scripts, or write simple new Bash scripts.
Key Knowledge Areas:
• 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.
Topic 106: User Interfaces and Desktops 106.1 Install and configure X11
Description: Candidates should be able to install and configure X11.
Key Knowledge Areas:
• 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.
106.2 Graphical Desktops
Description: Candidates should be aware of major Linux desktops. Furthermore, candidates should be aware of protocols used to access remote desktop sessions.
Key Knowledge Areas:
• Awareness of major desktop environments
• Awareness of protocols to access remote desktop sessions
106.3 Accessibility
Description: Demonstrate knowledge and awareness of accessibility technologies.
Key Knowledge Areas:
• Basic knowledge of visual settings and themes.
• Basic knowledge of assistive technology.
The following is a partial list of the used files, terms and utilities:
• 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.Topic 107: Administrative Tasks 107.1 Manage user and group accounts and related system files
Description: Candidates should be able to add, remove, suspend and change user accounts.
Key Knowledge Areas:
• Add, modify and remove users and groups.
• Manage user/group info in password/group databases.
• Create and manage special purpose and limited accounts.
107.2 Automate system administration tasks by scheduling jobs
Description: Candidates should be able to use cron and systemd timers to run jobs at regular intervals and to use at to run jobs at a specific time.
Key Knowledge Areas:
• Manage cron and at jobs.
• Configure user access to cron and at services.
• Understand systemd timer units.
107.3 Localisation and internationalisation
Description: Candidates should be able to localize a system in a different language than English. As well, an understanding of why LANG=C is useful when scripting.
Key Knowledge Areas:
• Configure locale settings and environment variables.
• Configure timezone settings and environment variables.Topic 108: Essential System Services 108.1 Maintain system time
Description: Candidates should be able to properly maintain the system time and synchronize the clock via NTP.
Key Knowledge Areas:
• 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.
108.2 System logging
Description: Candidates should be able to configure rsyslog. This objective also includes configuring the logging daemon to send log output to a central log server or accept log output as a central log server. Use of the systemd journal subsystem is covered. Also, awareness of syslog and syslog-ng as alternative logging systems is included.
Key Knowledge Areas:
• 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.
108.3 Mail Transfer Agent (MTA) basics
Description: Candidates should be aware of the commonly available MTA programs and be able to perform basic forward and alias configuration on a client host. Other configuration files are not covered.
Key Knowledge Areas:
• Create e-mail aliases.
Configure e-mail forwarding.
Knowledge of commonly available MTA programs (postfix, sendmail, exim) (no configuration).
108.4 Manage printers and printing
Description: Candidates should be able to manage print queues and user print jobs using CUPS and the LPD compatibility interface.
Key Knowledge Areas:
• Basic CUPS configuration (for local and remote printers).
• Manage user print queues.
• Troubleshoot general printing problems.
• Add and remove jobs from configured printer queues.
Topic 109: Networking Fundamentals 109.1 Fundamentals of internet protocols
Description: Candidates should demonstrate a proper understanding of TCP/IP network fundamentals.
Key Knowledge Areas:
• 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.
109.2 Persistent network configuration
Description: Candidates should be able to manage the persistent network configuration of a Linux host.
Key Knowledge Areas:
• Understand basic TCP/IP host configuration.
• Configure ethernet and wi-fi network using NetworkManager.
• Awareness of systemd-networkd.
109.3 Basic network troubleshooting
Description: Candidates should be able to troubleshoot networking issues on client hosts.
Key Knowledge Areas:
• 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. 109.4 Configure client side DNS
Description: Candidates should be able to configure DNS on a client host.
Key Knowledge Areas:
• 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.
Topic 110: Security 110.1 Perform security administration tasks
Description: Candidates should know how to review system configuration to ensure host security in accordance with local security policies.
Key Knowledge Areas:
• 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.
110.2 Setup host security
Description: Candidates should know how to set up a basic level of host security.
Key Knowledge Areas:
• Awareness of shadow passwords and how they work.
• Turn off network services not in use.
• Understand the role of TCP wrappers.
110.3 Securing data with encryption
Description: The candidate should be able to use public key techniques to secure data and communication.
Key Knowledge Areas:
• 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).
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