GL120 Linux Fundamentals Training and Courseware

Section 1 - What is Linux?

• Unit Overview
• The Duties of the System Administrator
• Choosing A System Administrator
• The root Login
• Setting up a System Logbook
• System Documentation
• Other Recommended Books
• Site Planning
• Filesystem and Process Management
• Standard Unix Directory Hierarchy
• Mountable File Systems
• Checking Filesystem Free Disk Space
• Disk Usage – The du Command
• File and Directory Attributes
• Processes
• Checking System Status
• Monitoring System Load
• Managing Processes
• Helpful Commands
• admintool – Graphical User Interface Administration Tool
• The Solaris Management Console
• Performing System Administration Tasks
• Unit Review
• Unit Review Questions

Section 2 - Multi-User Concepts

• Multi-User Concepts
• got root?
• Logging In
• Switching User Contexts
• Gathering Login Session Info
• Gathering System Info
• Getting Help
• Lab 2 - Login and Discovery
  • Login to the workstation using a virtual console and GUI interface.
  • Use commands to gather information about the current login and the other users on the system.
  • Use a variety of help tools to discover more information about the commands.
  • Use and explore the use of the su command.
  • Observe the operation differences between su and su -.

Section 3 - The Linux Filesystem

• LINUX Filesystem Features
• Filesystem Hierarchy Standard
• Navigating the Filesystem
• Displaying Directory Contents
• Determining Disk Usage
• Disk Usage with Quotas
• File Ownership
• File and Directory Permissions
• File Creation Permissions
• Changing File Permissions
• SUID and SGID on files
• SGID and Sticky Bit - Directories
• User Private Group Scheme
• Lab 3 - Files and Directories
  • Use the various commands to navigate the directories on the workstation.
  • Display the characteristics of some files and directories.
  • Use df to see how much hard drive space is being used by the filesystem(s)
  • Use du to show disk usage of all files in a certain directory
  • Display, then change , the ownership of some of the files and directories on the workstation
  • Use commands to display, change, and set permissions for the different files and directories on the workstation

Section 4 - Manipulating Files

• Directory Manipulation
• File Manipulation
• File Creation and Removal
• Physical Unix File Structure
• Filesystem Links
• File extensions and content
• Displaying Files
• Previewing Files
• Searching the filesystem
• Alternate Search Method
• Producing File Statistics
• Lab 4 - File Management
  • Explore commands that are useful when doing file and directory management
  • Use commands to display the contents of text files
  • Use find and locate to search for files

Section 5 - Text Processing

• Searching Inside Files
• The Streaming Editor
• Text Processing with Awk
• Replacing Text characters
• Text Sorting
• Duplicate Removal Utility
• Extracting Columns of Text
• Merging Multiple Files
• Lab 5 - Text Processing
  • Using standard UNIX filters to modify and sort text

Section 6 - Shell Basics

• Role of Command Shell
• Communication Channels
• File Redirection
• Piping Commands Together
• Filename Matching
• Wildcard Patterns/Globbing
• Brace Expansion
• Shell/Environment Variables
• Environment Variables
• General Quoting Rules
• Nesting Commands
• Lab 6 - Shell Basics
  • Use I/O redirection commands
  • Use | (pipe) to chain commands
  • Glob using wildcard patterns
  • Configure a shell variable
  • Use the export command to create an environment variable
  • Escaping shell meta-characters
  • Command substitution using backquotes and the $(command) form

Section 7 - Regular Expressions

• Regular Expression Overview
• Regular Expressions
• Lab 7 - Regular Expressions
  • Use regular expressions with grep to search for character patterns
  • Practice some advanced RegEx’s with egrep
  • Use sed to perform text editing on a file using regular expressions

Section 8 - Archiving and Compression

• Directory Archive with tar and cpio
• The compress utility
• The gzip and bzip2 compression utilities
• Lab 8 - Archiving and Compression
  • Use archiving and compression commands

Section 9 Text Editing

• Text editing
• Pico/GNU Nano
• Pico/Nano Interface and Commands
• Vi: Basic and Advanced Vi
• Advanced Vi Commands
• Emacs and Emacs Interface
• Basic and Advanced Emacs Commands
• Lab 9 - Text Editing
  • Use the pico or nano editor to create and efficiently modify text files
  • Use the vim editor: motion, editing
  • Use the Emacs editor: motions, kill, yank, undo, search and search-query commands

Section 10 - Command Shells

• Shells
• Identifying and Changing the Shell
• sh: Configuration Files
• sh: Script Execution
• sh: Prompts
• bash: Bourne Again Shell
• bash: Configuration Files
• bash: Command Line History, Editing and Completion
• Bash: "shortcuts"
• bash: prompt
• Lab 10 - Unix Shells
  • Identify the current shell
  • Examine symbolic links of listed shells
  • Invoke shell directly and change login shell
  • Explore the functions available through command line history
  • Display all aliases, create a new alias, and remove an alias
  • Add aliases to .bashrc file to make aliases persistent across login shells and system reboots
  • Customize the bash shell
  • Run the Z shell
  • Explore prompt options including a right hand prompt

Section 11 - Shell Scripting

• Shell Scripting
• Example Shell Script
• Positional Parameters
• Input & Output
• Doing Math
• Comparisons with test
• Conditional Statements
• The for Loop
• The while Loop
• Lab 11 - Shell Scripting
  • Create a shell script to permit "safe" deletion of files
  • Install new shell script

Section 12 - Process Management and Job Control

• What is a Process?
• Process Creation and States
• Viewing Processes
• Signals
• Tools to Send Signals
• Job Control Basics
• Jobs
• Screen
• Using screen
• Advanced Screen
• Lab 12 - Job Control
  • Create several jobs to multi-task at the shell prompt
  • Job control
  • Use a "fork bomb" to create additional processes
  • Use process management tools to examine the current state of the system
  • Clean up using kill, killall, pgrep and pkill on the command line and KDE System Guard and the Gnome System Monitor GUI programs
  • Create a screen session
  • Detach from your session and re-attach to your neighbor’ screen session
  • Create a split screen session

Section 13 - Messaging

• Command Line Messaging
• write, talk, and ytalk
• The mesg utility
• Internet Relay Chat
• Instant Messenger Clients
• Electronic Mail
• Sending Mail with sendmail
• Sending Email with mail
• Overview of PINE
• Sending Email with Pine
• Evolution
• Lab 13 - Messaging
  • Use mesg, write, and talk to communicate between users.
  • Send mail using mail and pine.

Section 14 - The Secure Shell (SSH)

• Secure Shell
• Accessing Remote Shells
• Transferring Files
• Alternative sftp Clients
• SSH Key Management
• ssh-agent
• Lab 14 - SSH
  • Establish a secure session to a remote host using ssh
  • Copy files securely from one host to another using scp
  • Generate and use RSA and DSA user keys
  • Use ssh-agent to cache the decrypted private key

Section 15 - Managing Software

• Downloading Software
• FTP, NcFTP, and lftp
• wget, lynx, and links
• Installing Software
• Installing Binary Packages - rpm
• Querying and Verifying with rpm
• Installing Debian Packages
• Compiling / Installing from Source
• Installing Source RPM Packages
• Lab 15 - Managing Software
  • Practice using the ftp, ncftp, and wget commands to download software
  • Use RPM to query the system and for information about locally installed packages and package files
  • Install software via binary RPMs, source RPMs and source code

Section 16 - Printing

• Linux printer sub-systems
• lpd and LPRng
• Common UNIX Printing System
• Standard Print Commands
• Format Conversion Utilities
• Ghostscript
• enscript
• mpage
• Lab 16 - Printing
  • Use the sed, enscript, mpage, and ps2pdf commands to manipulate a text file and convert it into a .pdf file.
  • Use acroread to view the resulting PDF file.

Section 17 - Mounting Filesystems & Managing Removable Media

• Filesystems Concept Review
• Mounting Filesystems
• NFS
• SMB
• File System Table
• Automating Mounts
• Removable media
• Preparing Floppy Diskettes
• mtools Package
• mtools Commands
• Lab 17 - Using Removable Media and NFS Shares
  • Format a floppy diskette and create an ext2 filesystem on the diskette
  • Mount the floppy and copy a file to it, then unmount the floppy
  • Use mtools to format a floppy
  • Copy a file from the /etc directory to the floppy
  • Copy the file from the floppy to your home directory
  • Mount a remote NFS share from server1 using the mount command
  • Add an NFS entry to /etc/fstab file
  • Use the mount command along with the /etc/fstab to mount a filesystem
  • Configure autofs and start the autofs service
  • Mount a remote NFS share from server1 using autofs

Section 18 - X Window System

• The X Window System
• X Modularity
• Xfree86/X.org
• Starting X
• Display Manager Concepts
• XDMCP and X Security
• Using Unix Remotely
• Customizing X Sessions
• Starting X Apps Automatically
• Window Manager Concepts
• Desktop Environments
• GNOME: Preferences, Panel, and Applications
• KDE: KDE Control Center, Panel, and Applications
• Lab 18 - Using X
  • Use xhost and xauth to permit remote connections
  • Explore the relationship between X servers, X clients, and X window managers
  • Experiment with the GNOME and KDE desktops