Plan szkolenia
Module 1: Introduction to the Shell • Shell Script Strengths and Weaknesses
• Shells
• Switching User Contexts
• Example Shell Script
• Shell and Environment Variables
• Key Environment Variables
• Which and Type
• General Quoting Rules
• Nesting Commands
• Help from Commands and Documentation
• whereis
• Getting Help within the Graphical Desktop
• Getting Help with man & info
Lab Tasks
• Shell Variables
• Shell Meta-Characters
• Command Substitution
Module 2: Shell Scripting Basics
• Positional Parameters
• Input & Output
• printf
• alias
• Functions
• Colors in Scripts
• Custom Bash Prompts
Lab Tasks
• Aliases
• Bash Login Scripts
• Create “userinfo” and “sysinfo” functions
Module 3: Working with Files
• Communication Channels
• File Redirection
• Piping Commands Together
• Doing Math
• Filesystem Structures
• Determining Disk Usage with df and du
• cron
• The crontab Command
• crontab Format
• /etc/cron.*/ Directories
• Sending Email with mailx
Lab Tasks
• Disk and Filesystem Usage
• Redirection and Pipes
Module 4: Regular Expressions
• Searching Inside Files
• Regular Expression Overview
• Regular Expressions
• RE Character Classes
• Regex Quantifiers
• RE Parenthesis
• The Streaming Editor
Lab Tasks
• Pattern Matching with Regular Expressions
• Extended Regular Expressions
• Using Regular Expressions with sed
Module 5: Branching and Looping
• Exit Status
• Comparisons with test
• Conditional Statements
• Flow Control: case
• Flow Control: while and until Loops
• The borne for-Loop
• Flow Control: select
• Lab Tasks
• Reporting User Statistics
• Monitoring Filesystem Usage}
Module 6: Data Munging
• Text Processing with Awk
• Text Sorting
• Duplicate Removal Utility
• Extracting Columns of Text
Lab Tasks
• Create “rmhost” function
• Create “showenv”function
• Parsing Mail Server Logs
• Fixing Incorrect Files
Module 7: Security, Whitespace, and Other
Gotchas
• Gotcha: Quoting Variables
• Gotcha: Locales
• Gotchas: Maximum Command Length
• Gotcha: Whitespace in for Loops
• Reading Files with while
• Gotcha: $IFS
• Gotcha: Printing in .bashrc
• Gotcha: Aliases
Lab Tasks
• Renaming MP3 Files
• Split and Display $PATH
• A tar-based Backup
Appendix A: Challenge
• Apache Configuration Files
• httpd.conf – VirtualHost Configuration
Lab Tasks
• Automated Virtual Host Provisioning
Appendix B: Emacs
• Emacs
• The Emacs Interface
• Basic Emacs
• More Emacs Commands
Lab Tasks
• Text Editing with Emacs
Appendix C: The Secure Shell (SSH)
• OpenSSH Client & Server Configuration
• Accessing Remote Shells
• Transferring Files
• SSH Key Management
