Manage system administrator tasks with ease by mastering Bash shell scripting techniques
About This Video
In Detail
Many organizations favor Bash scripts for executing shell commands, running and …
Manage system administrator tasks with ease by mastering Bash shell scripting techniques
About This Video
In Detail
Many organizations favor Bash scripts for executing shell commands, running and customizing administrative tasks, automating repetitive tasks, and performing many more Linux and Unix functions. Having Bash scripting skills will make you stand out from your peers and will help you to advance in your automation career. With this course, you’ll learn Bash shell scripting in detail and understand how to apply the acquired skills confidently in the real world.
Starting with an introduction to Bash shell scripting, the course takes you through the process of installing Ubuntu on Windows 10. You’ll also learn to install Docker on an Ubuntu Server and understand the basic steps to write and execute shell scripts. Once you’ve become familiar with redirection operators and explored commands such as grep, cut, awk, tr, and tee, you’ll write a simple script to get to grips with using the echo command, variables, strings, comments, and debugging. The course also covers input and output commands, arithmetic operators, conditional statements, arrays, and loops and demonstrates how to schedule jobs. You’ll work with remote servers, functions, the printf command, and the sed command and discover what awk scripting is. Finally, you’ll put your knowledge to practice by designing a simple digital clock and automating multiple server inventory using shell scripts.
By the end of this course, you’ll have become well-versed in Bash shell scripting and developed the skills to automate repetitive tasks.
Who this book is for
Whether you are a beginner or an advanced-level automation engineer, or a Linux administrator looking to explore Bash shell scripting, this course is for you. A basic understanding of Unix or Linux commands is necessary to get started with this course.
Chapter 1 : Introduction
Introduction to the course
Required documents for this course
Environmental Set up to practice Bash shell scripting
Installing Ubuntu on Windows 10
Basic Steps to write and execute a shell script
List of General-purpose commands to help understand about the usage of a command.
Configuring Gmail set up on Ubuntu Server
Docker Installation on Ubuntu Server using Bash Shell Script
Chapter 2 : Redirection Operators
Redirection Operators and STDIN, STDOUT STDERR
Chapter 3 : Commands to read a file content
Commands to read a file content
Commands to read a file content with conditions
How to display or print a range of lines
Chapter 4 : Grep command
Basic usage of grep command
Advanced Usage of Grep Command
Simple Practice with grep command
Chapter 5 : Cut command
Complete cut command in one video
Chapter 6 : AWK Command
Basics of AWK Command to write simple Shell Scripts
Chapter 7 : Simple useful commands for shell scripting
tr command
tee command
Chapter 8 : Basics of shell scripting
First Simple Hello World Script using the echo command
Introduction to variables
Simple Shell Script to know the usage of Variables in Bash Shell Scripting
Advanced Usage of the echo command
Here Document for Multi-lines or Multi-line block
Here String Usage
Writing Comments for a Shell Script
what is #!/usr/bin/env bash ?
Debugging a Bash Shell Script
Exit Status of a Command
Chapter 9 : String operations to write Bash Shell scripting
Basic String operations
String Operations on Paths | Useful for Real-time
Chapter 10 : Input and output commands for bash shell scripting
Input with the read command and output with the echo command
Input with the command line arguments
Chapter 11 : Arithmetic operators
Arithmetic operators
Simple usage of the case statement
Chapter 12 : Test command, commands chaining, and conditional statements
test command and its usage | Comparison and file test operators
Command Chaining using Logical AND () and Logical OR (||) Operators
Executing a block of code using {}
Chapter 13 : Conditional Statements - simple if, if-else, if elif elif else
simple if and if-else conditional statement
Simple Shell Script to verify the user is root or not and User is having sudo
Shell Script to start docker service
Logical AND OR and NOT operators - ( , || and ! )
Differences between [ ] and [[ ]] ( old and new test command) and also (( ))
if elif elif else conditional statement
How to handle the command line arguments
Chapter 14 : Scheduling jobs with at and crontab
One-time task execution with at | scheduling job with at command to execute once
Scheduling jobs with crontab
Shell Script to send Automatic Mail Alert when RAM Memory gets Low
Shell Script to monitor File System Utilization with mail alerts
Chapter 15 : Arrays of bash shell scripting
Introduction to Arrays
Associative Arrays
Chapter 16 : Loops and Loop control statements - Part 1
Introduction to Loops
Different types of For loop syntax’s
Installing multiple packages with for loop and command line arguments
Difference between $@ and $*
Loop Control commands / statements
For loop with arrays
Chapter 17 : Working with remote servers
Login into remote server from the local server using ssh
Executing commands on remote server without logging into remote server
Providing password for ssh using sshpass utility
Executing multiple commands on multiple servers
Shell Script to execute different commands on different servers
Chapter 18 : Loops and loop control statements - Part 2
Basic syntaxes of while loop
while loop with IFS
Chapter 19 : Functions
Simple Introduction to Functions
Defining a Function and Calling a Function
Scope of the Variables (Global and Local Variables), Returning a variable value
Passing Parameters to a Function
Chapter 20 : Complete printf command
Complete printf command
Chapter 21 : AWK command and AWK scripting
Introduction to AWK
awk command with action and basic variables
Introduction to AWK scripting
awk command with options, action and basic variables
Simple Hello World awk script
How to define a variable, display a variable, and execute multiple statements
awk command or awk script: Reading variable values from the command line
How to use awk command / script in shell scripts
How to read variables for awk command using shell script
Chapter 22 : Complete sed command
Introduction to the sed command
sed: Viewing file content and deleting file content based on line numbers
Searching file content
Find and replace with sed command
Insertion and Deletion with sed command
Regex: Introduction to sed command with regex
Regex - Part 1 - Regex with special characters (\s \t . *+ ? and )
Regex - Part 2 - Regex with special characters (^ and $)
Regex-Part-3: Regex with special characters ( [] () and {} )
Simple shell script to get all git versions from official git-scm website
Chapter 23 : Real-Time Practice (Low level to High level)
Design a simple digital clock
Automate Server Inventory using Shell Script
Automate Multiple Servers Inventory using Shell Script
Monitor File system usage and send mail alerts
Automate the installation of required git version using bash shell script