دانلود کتاب Linux Command Line and Shell Scripting Techniques: Master practical aspects of the Linux command line and then use it as a part of the shell scripting process

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Cover Title Page Copyright and Credits Contributors Table of Contents Preface Chapter 1: Basics of Shell and Text Terminal Technical requirements Accessing the shell Getting ready How to do it… How it works… See also Setting up the user shell Getting ready How to do it… How it works… Setting up the Bash shell Getting ready How to do it… How it works… There's more… Using the most common shell commands Getting ready How to do it… How it works... Using screen Getting ready How to do it… How it works… There's more… Chapter 2: Using Text Editors Technical requirements Learning the basics of the Vi(m) Editor Getting ready How to do it… How it works… See also Learning the basics of the nano editor Getting ready How to do it… There's more… Going through the advanced Vi(m) settings Getting ready How to do it… How it works… There's more… Chapter 3: Using Commands and Services for Process Management Technical requirements Process management tools Getting ready How to do it… How it works… See also Managing background jobs Getting ready How to do it… How it works… There's more… Managing process priorities Getting ready How to do it… How it works… There's more… Configuring crond Getting ready How to do it… How it works… There's more… Chapter 4: Using Shell to Configure and Troubleshoot a Network Technical requirements Using nmcli and netplan Getting ready How to do it How it works There's more Using firewall-cmd and ufw Getting ready How to do it How it works There's more Working with open ports and connections Getting ready How to do it How it works There's more Configuring /etc/hosts and DNS resolving Getting ready How to do it How it works There's more Using network diagnostic tools Getting ready How to do it How it works There's more Chapter 5: Using Commands for File, Directory, and Service Management Technical requirements Basic file and directory-based commands Getting ready How to do it… How it works… See also Additional commands for manipulating file/directory security aspects Getting ready How to do it… How it works… See also Manipulating text files by using commands Getting ready How to do it… How it works… There's more… Finding files and folders Getting ready How to do it… How it works… There's more… Archiving and compressing files and folders Getting ready How to do it… How it works… There's more… Managing services and targets Getting ready How to do it… How it works… There's more… Chapter 6: Shell-Based Software Management Technical requirements Using dnf and apt for package management Getting ready How to do it… How it works… There's more… Using additional repositories, streams, and profiles Getting ready How to do it… How it works… Creating custom repositories Getting ready How to do it… How it works… There's more… Compiling third-party software Getting ready How to do it… How it works… There's more… Chapter 7: Network-Based File Synchronization Technical requirements Learning how to use SSH and SCP Getting ready How to do it… How it works… There's more… Learning how to use rsync Getting ready How to do it… How it works… There's more… Using vsftpd Getting ready How to do it… How it works… There's more Chapter 8: Using the Command Line to Find, Extract, and Manipulate Text Content Technical requirements Using text commands to merge file content Getting ready How to do it… How it works… There's more… Converting DOS text to Linux text and vice versa Getting ready How to do it… How it works… There's more… Using cut Getting ready How to do it… How it works… There's more… Using egrep Getting ready How to do it… How it works… There's more… Using sed Getting ready How to do it… How it works… There's more… Chapter 9: An Introduction to Shell Scripting Technical requirements Writing your first Bash shell script Getting ready How to do it… How it works… Serializing basic commands – from simple to complex Getting ready How to do it… How it works… There's more… Manipulating shell script input, output, and errors Getting ready How to do it… How it works… Shell script hygiene Getting ready How to do it… There's more… Chapter 10: Using Loops The for loop Getting ready How to do it… How it works… See also break and continue Getting ready How to do it… How it works… See also The while loop Getting ready How to do it… How it works… See also The test-if loop Getting ready How to do it… How it works… See also The case loop Getting ready How to do it… How it works… See also Logical looping with and, or, and not Getting ready How to do it… How it works… See also Chapter 11: Working with Variables Technical requirements Using shell variables Getting ready How to do it… How it works… See also Using variables in shell scripting Getting ready How to do it… How it works… See also Quoting in the shell Getting ready How to do it… How it works… See also Performing operations on variables Getting ready How to do it… How it works… See also Variables via external commands Getting ready How to do it… How it works… See also Chapter 12: Using Arguments and Functions Technical requirements Using custom functions in shell script code Getting ready How to do it… How it works… See also Passing arguments to a function Getting ready How to do it… How it works… See also Local and global variables Getting ready How to do it… How it works… See also Working with returns from a function Getting ready How to do it… How it works… See also Loading an external function to a shell script Getting ready How to do it… How it works… See also Implementing commonly used procedures via functions Getting ready How to do it… How it works… See also Chapter 13: Using Arrays Technical requirements Basic array manipulation Getting ready How to do it… How it works… See also Advanced array manipulation Getting ready How to do it… How it works… See also Chapter 14: Interacting with Shell Scripts Technical requirements Creating text-based interactive scripts Getting ready How to do it… How it works… See also Using expect to automate repetitive tasks based on text output Getting ready How to do it… How it works… See also Using dialog for menu-driven interactive scripts Getting ready How to do it… How it works… See also Chapter 15: Troubleshooting Shell Scripts Technical requirements Common scripting mistakes Getting ready How to do it… How it works… See also… Simple debugging approach – echoing values during script execution Getting ready How to do it… How it works… See also Using the bash -x and -v options Getting ready How to do it… How it works… See also… Using set to debug a part of the script Getting ready How to do it… How it works… See also… Chapter 16: Shell Script Examples for Server Management, Network Configuration, and Backups Technical requirements Creating a file and folder inventory How to do it… See also Checking if you're running as root Getting ready How to do it… See also Displaying server stats Getting ready How to do it… There's more… Finding files by name, ownership, or content type and copying them to a specified directory Getting ready How to do it… There's more… Parsing date and time data Getting ready How to do it… Configuring the most common firewall settings interactively Getting ready How to do it… There's more… Configuring network settings interactively Getting ready How to do it… There's more… Backing up the current directory with shell script arguments and variables Getting ready How to do it… There's more… Creating a current backup based on the user input for the backup source and destination Getting ready How to do it… There's more… Chapter 17: Shell Script Examples Technical requirements Implementing a web server service and security settings Getting ready How to do it… See also Creating users and groups and forcing users to change them on the next login Getting ready How to do it… See also Creating users and groups from a standardized input file and a random password for each user Getting ready How to do it… See also Scripted VM installation on KVM Getting ready How to do it… See also Using a shell script to provision SSH keys Getting ready How to do it… See also A shell script for VM administration Getting ready How to do it… See also Index Other Books You May Enjoy