Module 1: What is Linux?

• Unix and its design principles
• FSF and GNU
• GPL (general public license)
• The Linux kernel
• Linux kernel and versioning
• Components of a distribution
• Slackware
• SUSE Linux products
• Debian
• Ubuntu
• Red Hat Linux products
• Oracle Linux

Module 2: Login and Exploration

• Logging in
• Running programs
• Interacting with command line
• Desktop environments
• GNOME
• Starting X
• Gathering login session info
• Gathering system info
• uptime & w
• got root?
• Switching user contexts
• sudo
• Help from commands and documentation
• whereis
• Getting help within the graphical desktop
• Getting help with man and info
• $MANPATH, whatis, and apropos

Module 3: The Linux Filesystem

• Filesystem support
• Unix/Linux filesystem features
• Filesystem hierarchy standard
• Navigating the filesystem
• Displaying directory contents
• Filesystem structures
• Determining disk usage with df and du
• Determining disk usage (GUI)
• Disk usage with quotas
• File ownership
• Default group ownership
• File and directory permissions
• File creation permissions with umask
• SUID and SGID on files
• SGID and sticky bit on directories
• Changing file permissions
• User private group scheme

Module 4: Manipulating Files

• Directory manipulation
• File manipulation
• Deleting and creating files
• Managing files graphically
• Drag and drop with Nautilus
• Physical Unix file structure
• Filesystem links
• File extensions and content
• Displaying files
• Previewing files
• Producing file statistics
• Displaying binary files
• Searching the filesystem
• Alternate search method

Module 5: Shell Basics

• Role of command shell
• Communication channels
• File redirection
• Piping commands together
• Filename matching
• File globbing and wildcard patterns
• Brace expansion
• Shell and environment variables
• Key environment variables
• Which and type
• General quoting rules
• Nesting commands

Module 6: Archiving and Compression

• Archives with tar
• Archives with cpio
• The gzip compression utility
• The bzip2 compression utility
• The XZ compression utility
• The PKZIP archiving/compression format
• GNOME file roller

Module 7: Text Processing

• Searching inside files
• The streaming editor
• Text processing with Awk
• Replacing text characters
• Text sorting
• Duplicate removal utility
• Extracting columns of text
• Combining files and merging text
• Comparing file change

Module 8: Regular Expressions

• Regular expression overview
• Regular expression implementations
• Regular expressions
• RE character classes
• Regex quantifiers
• RE parenthesis

Module 9: Text Editing

• Text editing
• Pico/GNU nano
• Pico/nano interface
• Nano configuration
• Pico/nano shortcuts
• vi and Vim
• Learning Vim
• Basic vi
• Intermediate vi

Module 10: Messaging

• System messaging commands
• Controlling system messaging
• Internet relay chat
• Instant messenger clients
• Electronic mail
• Sending email with sendmail
• Sending and receiving email with mailx
• Sending and receiving email with mutt
• Sending email with Pine
• Evolution

Module 11: Command Shells

• Shells
• Identifying the shell
• Changing the shell
• Shell configuration files
• Script execution
• Bourne shell: shell prompts
• Bash: Bourne again shell
• Bash: configuration files
• Bash: command line history
• Bash: command editing
• Bash: command completion
• Bash: "shortcuts"
• Bash: prompt
• Setting resource limits via ulimit

Module 12: Introduction to Shell Scripting

• Shell script strengths and weaknesses
• Example shell script
• Positional parameters
• Input and output
• Doing math
• Exit status
• Comparisons with test
• Conditional statements
• Flow control: case
• The borne for loop
• The while and until loops

Module 13: Process Management and Job Control

• What is a process?
• Process lifecycle
• Process states
• Viewing processes
• Signals
• Tools to send signals
• nohup and disown
• Managing processes
• Tuning process scheduling
• Job control overview
• Job control commands
• Persistent shell sessions with tmux
• Persistent shell sessions with screen
• Using screen
• Advanced screen

Module 14: AT and CRON

• Automating tasks
• at/batch
• cron
• The crontab command
• crontab format
• /etc/cron.*/ directories
• Anacron
• Systemd timers

Module 15: Managing Software

• Downloading with FTP
• FTP
• lftp
• Command line internet (non-interactive)
• Command line internet (interactive)
• Managing software dependencies
• Using the Yum and DNF commands
• Using Yum history
• Yum package groups
• Configuring Yum
• dnf download and yumdownloader (deprecated)
• Popular Yum repositories
• Using the Zypper command
• Zypper services and catalogs
• The dselect and APT frontends to dpkg
• Aptitude
• Configuring APT

Module 16: The Secure Shell (SSH)

• Secure shell
• OpenSSH client and server configuration
• Accessing remote shells
• Transferring files
• Alternative sftp clients
• SSH key management
• ssh-agent

Module 17: Mounting Filesystems and

Managing Removable Media

• Filesystems concept review
• Mounting filesystems
• NFS
• SMB
• Filesystem table (/etc/fstab)
• AutoFS
• Removable media

Appendix A: Printing

Legacy print systems

• Common UNIX printing system
• Defining a printer
• Standard print commands
• Format conversion utilities
• enscript and mpage

Appendix B: The X Window System

• The X window system
• X modularity
• X.Org drivers
• Configuring X manually
• Automatic X configuration
• Xorg and fonts
• Installing fonts for modern applications
• Installing fonts for legacy applications
• The X11 protocol and display names
• Display managers and graphical login
• Starting X apps automatically
• X access control
• Remote X access (historical/insecure)
• Remote X access (modern/secure)
• XDMCP
• Remote graphical access with VNC and RDP
• Specialized X servers

Appendix C: EMACS

• Emacs
• The Emacs interface
• Basic EmacsMore Emacs commands

Lab 2: Login and Exploration

• Login and discovery
• Help with commands
• Switching users with su

Lab 3: The Linux Filesystem

• Navigating directories and listing files
• Disk and filesystem usage
• File and directory ownership and permissions
• Introduction to troubleshooting labs
• Troubleshooting practice: filesystem

Lab 4: Manipulating Files

• Manipulating files and directories
• File examination and search commands

Lab 5: Shell Basics

• Redirection and pipes
• Wildcard file matching
• Shell variables
• Shell meta-characters
• Command substitution

Lab 6: Archiving and Compression

• Archiving and compression

Lab 7: Text Processing

• Processing text streams
• Text processing

Lab 8: Regular Expressions

• Pattern matching with regular expressions
• Extended regular expressions
• Using regular expressions with sed

Lab 9: Text Editing

• Text editing with Nano
• Text editing with Vim

Lab 10: Messaging

• Command line messaging
• Command line email
• Alpine

Lab 11: Command Shells

• Linux shells
• Bash history
• Aliases
• Bash login scripts
• The Z shell

Lab 12: Introduction to Shell Scripting

• Writing a shell script

Lab 13: Process Management and Job Control

• Job control basics
• Process management basics
• Screen basics
• Using screen regions
• Troubleshooting practice: process management

Lab 14: AT and CRON

• Automating tasks
• at/batch
• cron
• The crontab command
• crontab format
• /etc/cron.*/ directories
• Anacron
• Systemd timers

Lab 15: Managing Software

• Command line file transfers
• Using DNF
• Using Zypper
• Managing Yum repositories
• Managing Zypper repositories
• Using APT
• Adding an APT repository

Lab 16: The Secure Shell (SSH)

• Introduction to ssh and secure file transfer
• SSH key-based user authentication
• Using ssh-agent

Lab 17: Mounting Filesystems and

Managing Removable Media

• Accessing NFS shares
• On-demand filesystem mounting with AutoFS

Lab A: Printing

• Printing
• Configuring print queues

Lab B: The X Window System

• Remote X with XDMCP
• Configure X security
• Configure a VNC server
• Configure a VNC server
• Configure a VNC server
• Secure X

Lab C: EMACS

• Text editing with Emacs