This intensive hands-on course will teach one, proper ways to operate fundamentally the GNU/Linux operating system. The course will introduce the various methods; tools and techniques for easily work in environments built on Linux shell. This course provides intensive hands-on exercises using real world applications.

  •   Members of the System team that would like to automate their tasks.
  •   Help Desk/Support team would like to automate their install and tasks.
  •   Developers who would like to get knowledge in operational systems management.
  •   QA personal who works on testing OS and its capabilities.
Before attending this course, students should be familiar with the following topics:

  •   Linux essentials
  •   Linux fundamentals
  •   Linux Advance – can be advantage.
  •   Regular expressions
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32 Hours

Network & Infrastructure

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Certificate: No

Price: contact us for more details

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Course Outline

Day 1:

• Editors – VI:

– command mode and insert mode
– start typing
– replace and delete a character
– Und – and repeat
– cut, copy and paste a line
– cut, copy and paste lines
– start and end of a line
– join tw – lines (J) and more
– words
– Save (or not) and exit
– Searching
– replace all
– reading files
– text buffers
– multiple files

• Scripting introduction:

– prerequisites
– hell – world
– she-bang
– comment
– variables
– sourcing a script
– troubleshooting a script
– prevent setuid root spoofing

Day 2:

• Looping and branching

– test [ ] (())
– if then else
– if then Elif
– for loop
– while loop
– until loop

• Parameters and variables
– Script parameters
– Shift through parameters
– Runtime input
– Sourcing a config file
– Get script options with getopts
– Get shell options with shopt.

• Shell functions

– Definition Syntax
– Compound Commands
– Getting Results
– Set Different Exit Codes
– Print the Result
– Place Results in One or More Variables
– Function Libraries
– Using Functions from Libraries
– Sample Script

Day 3:

• String manipulation:

– Concatenation
– Repeat Character t – a Given Length
– Processing Character by Character
– Reversal
– Case Conversion
– Comparing Contents Without Regard t – Case
– Check for Valid Variable Name
– Insert One String int – Another
– Overlay
– Trim Unwanted Characters

• File operations and commands:

– Reading a File

– External Commands

• cat
• head
• touch.ls
• cut
• WC

– Regular Expressions

• grep
• Sed
• AWK

– File Name Expansion Options

• NullGlob
• Failglob
• Dotglob
• Extglob
• nocaseglob
• Globstar
• Reserved words and built-in commands:

– help, Display Information About Built In Commands
– time, Print Time Taken for Execution of a Command
– read, Read a Line from an Input Stream
– Eval, Expand Arguments and Execute Resulting Command
– Poor Man’s Arrays
– Setting Multiple Variables from One Command
– Type, Display Information about Commands.
– Built in, Execute a Built in Command
– command, Execute a Command or Display Information About Commands
– PWD, Print the Current Working Directory
– Unalias, Remove One or More Aliases

 

 

Day 4:

• Data processing:
– Arrays
– Holes in an Indexed Array
– Using an Array for Sorting
– Two-Dimensional Grids
– Data File Formats
– Line-Based Records
– Block File Formats

• Scripting the screen:

– Teletypewriter vs. Canvas
– Stretching the Canvas
– CSI: Command Sequence Introducer
– Priming the Canvas
– Moving the Cursor
– Changing Rendition Modes and Colors
– Placing a Block of Text on the Screen
– Scrolling Text
– Rolling Dice

• Entry-Level Programming

– Single-Key Entry
– Function Library, Key-Functions.
– History in Scripts
– Sanity Checking
– Form Entry
– Reading the Mouse