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Table of Contents
LPIC-1 / Linux+ Cheat Sheet
LX0-101
101 System Architecture 14%
101.1 Determine and Configure hardware settings (LCN-1 CTL-3)
- Enable and disable integrated peripherals
- Configure systems with or without external peripherals such as keyboards
- Differentiate between the various types of mass storage devices
- Set the correct hardware ID for different devices, especially the boot device
- Know the differences between coldplug and hotplug devices
- Determine hardware resources for devices
- Tools and utilities to list various hardware information (e.g., lsusb, lspci, etc.)
- Tools and utilities to manipulate USB devices
- Conceptual understanding of sysfs, udev, hald, dbus
- Terms: /sys, /proc, /dev, modprobe, lsmod, lspci, lsusb
101.2 Boot the System (LCN-2 CTL-5)
- Provide common commands to the boot loader and options to the kernel at boot time
- Demonstrate knowledge of the boot sequence from BIOS to boot completion
- Check boot events in the log file
- Terms: /var/log/messages, dmesg, BIOS, bootloader, kernel, init
101.3 Change runlevels and shutdown or reboot system (LCN-2 CTL-5)
- Set the default run level
- Change between run levels including single user mode
- Shutdown and reboot from the command line
- Alert users before switching run levels or other major system events
- Properly terminate processes
- Knowledge of basic features of systemd and Upstart
- Terms: /etc/inittab, shutdown, init, /etc/init.d, telinit
102 Installation and Package Management 18%
102.1 Design hard disk layout (Chapter 3)
- Allocate filesystems and swap space to separate partitions or disks
- Tailor the design to the intended use of the system
- Ensure the /boot partition conforms to the hardware architecture requirements for booting
- Knowledge of basic features of LVM
- Terms: / (root) filesystem, /var filesystem, /home filesystem, swap space, mount points, partitions
102.2 Install a boot manager (Chapter 5)
- Providing alternative boot locations and backup boot options
- Install and configure a boot loader such as GRUB Legacy
- Perform basic configuration changes for GRUB 2
- Interact with the boot loader
- Terms: /boot/grub/menu.lst, grub.cfg and other variations, grub-install, MBR, superblock
102.3 Manage shared libraries (Chapter 2)
- Identify shared libraries
- Identify the typical locations of system libraries
- Load shared libraries
- Terms: ldd, ldconfig, /etc/ld.so.conf, LD_LIBRARY_PATH
102.4 Use Debian package management (Chapter 2)
- Install, upgrade and uninstall Debian binary packages
- Find packages containing specific files or libraries which may or may not be installed
- Obtain package information like version, content, dependencies, package integrity and installation status (whether or not the package is installed)
- Terms: /etc/apt/sources.list, dpkg, dpkg-reconfigure, apt-get, apt-cache, aptitude
102.5 Use RPM and YUM package management (Chapter 2)
- Install, re-install, upgrade and remove packages using RPM and YUM
- Obtain information on RPM packages such as version, status, dependencies, integrity and signatures
- Determine what files a package provides, as well as find which package a specific file comes from
- Terms: rpm, rpm2cpio, /etc/yum.conf, /etc/yum.repos.d/, yum, yumdownloader
103 GNU / Unix Commands 43%
103.1 Work on the command line (Chapter 1)
- Use single shell commands and one line command sequences to perform basic tasks on the command line
- Use and modify the shell environment including defining, referencing and exporting environment variables
- Use and edit command history
- Invoke commands inside and outside the defined path
- Terms: ., bash, echo, env, exec, export, pwd, set, unset, man, uname, history
103.2 Process text streams using filters (Chapter 1)
- Send text files and output streams through text utility filters to modify the output
- Using standard UNIX commands found in the GNU textutils package
- Terms: cat, cut, expand, fmt, head, od, join, nl, paste, pr, sed, sort, split, tail, tr, unexpand, uniq, wc
103.3 Perform basic file management (Chapter 4)
- Copy, move and remove files and directories individually
- Copy multiple files and directories recursively
- Remove files and directories recursively
- Use simple and advanced wildcard specifications in commands
- Using find to locate and act on files based on type, size, or time
- Usage of tar, cpio, and dd
- Terms: cp, find, mkdir, mv, ls, rm, rmdir, touch, tar, cpio, dd, file, gzip, gunzip, bzip2, file globbing
103.4 Use streams, pipes and redirects (Chapter 1)
- Redirecting standard input, standard output and standard error
- Pipe the output of one command to the input of another command
- Use the output of one command as arguments to another command
- Send output to both stdout and a file
- Terms: tee, xargs
103.5 Create, monitor and kill processes (Chapter 2)
- Run jobs in the foreground and background
- Signal a program to continue running after logout
- Monitor active processes
- Select and sort processes for display
- Send signals to processes
- Terms: &, bg, fg, jobs, kill, nohup, ps, top, free, uptime, killall
103.6 Modify process execution priorities (Chapter 2)
- Know the default priority of a job that is created
- Run a program with higher or lower priority than the default
- Change the priority of a running process
- Terms: nice, ps, renice, top
103.7 Search text files using regular expressions (Chapter 1)
- Create simple regular expressions containing several notational elements
- Use regular expression tools to perform searches through a filesystem or file content
- The following is a partial list of the used files, terms and utilities: grep, egrep, fgrep, sed, regex(7)
103.8 Perform basic file editing operations using vi (Chapter 5)
- Navigate a document using vi
- Use basic vi modes
- Insert, edit, delete, copy and find text
- Terms: vi, /, ?, h, j, k, l, i, o, a, c, d, p, y, dd, yy, ZZ, :w!, :q!, :e!
104 Devices, Filesystems, Filesystem Hierarchy 25%
104.1 Create partitions and filesystems (Chapter 3)
- Use various mkfs commands to set up partitions and create various filesystems such as: ext2, ext3, xfs, reiserfs v3, vfat
- Terms: fdisk, mkfs, mkswap
104.2 Maintain the integrity of filesystems (Chapter 3)
- Verify the integrity of filesystems
- Monitor free space and inodes
- Repair simple filesystem problems
- Terms: du, df, fsck, e2fsck, mke2fs, debugfs, dumpe2fs, tune2fs, xfs tools (such as xfs_metadump and xfs_info)
104.3 Control mounting and unmounting of filesystems (Chapter 3)
- Manually mount and unmount filesystems
- Configure filesystem mounting on bootup
- Configure user mountable removeable filesystems
- Terms: /etc/fstab, /media, mount, umount
104.4 Manage disk quotas (Chapter 4)
- Set up a disk quota for a filesystem
- Edit, check and generate user quota reports
- Terms: quota, edquota, repquota, quotation
104.5 Manage file permissions and ownership (Chapter 4)
- Manage access permissions on regular and special files as well as directories
- Use access modes such as suid, sgid and the sticky bit to maintain security
- Know how to change the file creation mask
- Use the group field to grant file access to group members
- Terms: chmod, umask, chown, chgrp
104.6 Create and change hard and symbolic links (Chapter 4)
- Create links
- Identify hard and/or soft links
- Copying versus linking files
- Use links to support system administration tasks
- Terms: ln
104.7 Find system files and place files in the correct location (Chapter 4)
- Understand the correct locations of files under the FHS
- Find files and commands on a Linux system
- Know the location and propose of important file and directories as defined in the FHS
- Terms: find, locate, updatedb, whereis, which, type, /etc/updatedb.conf
LX0-102
105 Shells, Scripting and Data Management 17%
105.1 Customize and use the shell environment (Chapter 9)
- 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
- Terms: /etc/profile, env, export, set, unset, ~/.bash_profile, ~/.bash_login, ~/.profile, ~/.bashrc, ~/.bash_logout, function, alias, lists
105.2 Customize or write simple scripts (Chapter 9)
- 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
- Terms: for, while, test, if, read, seq
105.3 SQL data management (Chapter 9)
- Use of basic SQL commands
- Perform basic data manipulation
- Terms: insert, update, select, delete, from, where, group by, order by, join
106 User Interfaces and Desktops 8%
106.1 Install and configure X11 (Chapter 6)
- 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
- Terms: /etc/X11/xorg.conf, xhost, DISPLAY, xwininfo, xdpyinfo, X
106.2 Setup a display manager (Chapter 6)
- Turn the display manager on or off
- Change the display manager greeting
- Change default color depth for the display manager
- Configure display managers for use by X-stations
- Terms: /etc/inittab; plus xdm, kdm, and gdm configuration files
106.3 Accessibility (Chapter 6)
- Keyboard Accessibility Settings (AccessX)
- Visual Settings and Themes
- Assistive Technology (ATs)
- Terms: 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
