PowerShell Core for Linux Administrators Cookbook
Use PowerShell Core 6.x on Linux to automate complex, repetitive, and time-consuming tasks
1st Edition
Published on 30. November 2018
566 pages
978-1-78913-887-0 (ISBN)
Description
Over 150 recipes to leverage Microsoft's open source automation framework and command line shell
Key Features
- Work effectively on Windows, Linux, and macOS with PowerShell's object-oriented approach and capabilities
- Handle structured data seamlessly without the need for manual parsing
- Enhance your native Linux capabilities with PowerShell Core 6.1
Book Description
PowerShell Core, the open source, cross-platform that is based on the open source, cross-platform .NET Core, is not a shell that came out by accident; it was intentionally created to be versatile and easy to learn at the same time. PowerShell Core enables automation on systems ranging from the Raspberry Pi to the cloud.
PowerShell Core for Linux Administrators Cookbook uses simple, real-world examples that teach you how to use PowerShell to effectively administer your environment. As you make your way through the book, you will cover interesting recipes on how PowerShell Core can be used to quickly automate complex, repetitive, and time-consuming tasks. In the concluding chapters, you will learn how to develop scripts to automate tasks that involve systems and enterprise management.
By the end of this book, you will have learned about the automation capabilities of PowerShell Core, including remote management using OpenSSH, cross-platform enterprise management, working with Docker containers, and managing SQL databases.
What you will learn
- Leverage the object model of the shell, which is based on .NET Core
- Administer computers locally as well as remotely using PowerShell over OpenSSH
- Get to grips with advanced concepts of PowerShell functions
- Use PowerShell for administration on the cloud
- Know the best practices pertaining to PowerShell scripts and functions
- Exploit the cross-platform capabilities of PowerShell to manage scheduled jobs, Docker containers and SQL Databases
Who this book is for
PowerShell Core for Linux Administrators Cookbook is for you if you are a system administrator who wants to learn to control and automate a Linux environment with PowerShell Core 6.1. Basic knowledge of PowerShell scripting is necessary. It is assumed that you already understand how an operating system is structured and how to use the command-line interface to work with the operating system.
More details
Other editions
Additional editions
Prashanth Jayaram | Ram Iyer
PowerShell Core for Linux Administrators Cookbook
Use PowerShell Core 6.x on Linux to automate complex, repetitive, and time-consuming tasks
Book
11/2018
Packt Publishing
€58.20
Shipment within 3-4 weeks
Content
- Cover
- Title Page
- Copyright and Credits
- Dedication
- About Packt
- Contributors
- Table of Contents
- Preface
- Chapter 1: Introducing PowerShell Core
- Introduction
- A brief note on .NET Core
- The assumptions
- How to read this book
- An important note
- Writing the cmdlets (Linux admins note)
- Off we go
- Installing PowerShell
- Getting ready
- How to do it.
- Installation on Ubuntu
- Installing from the repository
- Installing via direct download
- Installation on CentOS
- Installing from the repository
- Installing via direct download
- Using the Snapcraft package
- Using the binary archives
- Bonus- using the Install-PowerShell script (including on macOS)
- How it works.
- See also
- Updating and using Help
- Getting ready
- How to do it.
- How it works.
- See also
- Exploring about_ topics
- Getting ready
- How to do it.
- How it works.
- Discovering cmdlets
- How to do it.
- How it works.
- Finding and installing PowerShell modules
- How to do it.
- How it works.
- There's more.
- See also
- Listing the various providers in PowerShell
- How to do it.
- How it works.
- See also
- Understanding objects
- How to do it.
- How it works.
- There's more.
- See also
- Parsing input from text to object
- Getting ready
- How to do it.
- How it works.
- There's more.
- See also
- Comparing the outputs of Bash and PowerShell
- Getting ready
- How to do it.
- How it works.
- See also
- Comparing Windows PowerShell and PowerShell Core
- Support for snap-ins
- Convenience aliases
- PowerShell Workflows
- PowerShell Desired State Configuration
- Working with aliases
- How to do it.
- How it works.
- There's more.
- See also
- Dissecting a .NET Core object
- Getting ready
- How to do it.
- How it works.
- See also
- Listing out the execution policies and setting a suitable one
- Getting ready
- How to do it.
- How it works.
- See also
- Chapter 2: Preparing for Administration Using PowerShell
- Introduction
- Installing Visual Studio Code
- Getting ready
- How to do it.
- How it works.
- See also
- Configuring automatic variables
- Getting ready
- How to do it.
- How it works.
- Changing shell behavior using variables
- Getting ready
- How to do it.
- How it works.
- See also
- Enabling automated execution of commands for each load
- Getting ready
- How to do it.
- How it works.
- There's more.
- Customizing the Terminal prompt
- Getting ready
- How to do it.
- How it works.
- There's more.
- See also
- Understanding standard redirection in PowerShell
- How to do it.
- How it works.
- Out-File
- Tee-Object
- Accepting input from a file
- There's more.
- See also
- Calling native Linux commands from PowerShell
- Getting started
- How to do it.
- How it works.
- See also
- Understanding cmdlets and parameters
- Getting ready
- How to do it.
- How it works.
- There's more.
- Running cmdlets with minimal keystrokes
- Getting ready
- How to do it.
- How it works.
- There's more.
- Finding parameter aliases
- Getting ready
- How to do it.
- How it works.
- Calling a PowerShell script
- Getting ready
- How to do it.
- How it works.
- Dot-sourcing a PowerShell script
- How to do it.
- How it works.
- There's more.
- Calling a PowerShell cmdlet from outside of PowerShell
- How to do it.
- How it works.
- Recording the cmdlets run on the PowerShell console
- How to do it.
- How it works.
- Chapter 3: First Steps in Administration Using PowerShell
- Introduction
- Working with date properties
- Getting ready
- How to do it.
- How it works.
- See also
- Working with date and time methods
- How to do it.
- How it works.
- Working with currently-running processes to measure resource consumption
- How to do it.
- How it works.
- Launching and stopping a process
- Getting ready
- How to do it.
- How it works.
- Finding the owner of a process
- How to do it.
- How it works.
- There's more.
- See also
- Invoking an application based on the file type
- How to do it.
- How it works.
- Installing the CronTab PowerShell module
- How to do it.
- How it works.
- Scheduling jobs in PowerShell
- Getting ready
- How to do it.
- How it works.
- Removing scheduled jobs in PowerShell
- How to do it.
- How it works.
- See also
- Chapter 4: Passing Data through the Pipeline
- Introduction
- Selecting columns from the output
- Getting ready
- How to do it.
- How it works.
- There's more.
- See also
- Limiting the number of output objects
- Getting ready
- How to do it.
- How it works.
- Expanding the properties within properties
- How to do it.
- How it works.
- Filtering objects
- Getting ready
- How to do it.
- How it works.
- There's more.
- Grouping the output
- How to do it.
- How it works.
- There's more.
- See also
- Sorting the output
- How to do it.
- How it works.
- Taking actions on the returned objects
- Getting ready
- How to do it.
- How it works.
- Understanding pipeline-enabled parameters
- How to do it.
- How it works.
- Importing content into PowerShell
- How to do it.
- How it works.
- Chapter 5: Using Variables and Objects
- Introduction
- Using environment variables
- How to do it.
- How it works.
- There's more.
- See also
- Storing the output of an instance of a .NET Core object
- Getting ready
- How to do it.
- How it works.
- See also
- Adding custom properties to an object
- How to do it.
- How it works.
- See also
- Creating a custom object from a returned object
- How to do it.
- How it works.
- See also
- Understanding the extension of type data
- Getting ready
- How to do it.
- How it works.
- See also
- Retaining object modifications across sessions
- Getting ready
- How to do it.
- How it works.
- See also
- Removing custom type data
- How to do it.
- How it works.
- See also
- Understanding variables
- Chapter 6: Working with Strings
- Introduction
- Creating a literal string
- How to do it.
- How it works.
- Creating an expanding string
- Getting ready
- How to do it.
- How it works.
- Understanding Here-Strings
- How to do it.
- How it works.
- Using basic string methods
- Getting ready
- How to do it.
- How it works.
- See also
- Performing string matching operations
- How to do it.
- How it works.
- There's more.
- Replacing substrings within strings
- How to do it.
- How it works.
- There's more.
- Splitting and combining strings
- How to do it.
- How it works.
- Using the formatting operator
- How to do it.
- How it works.
- There's more.
- Chapter 7: Flow Control Using Branches and Loops
- Introduction
- Using If-ElseIf-Else conditions to control script flow
- Getting ready
- How to do it.
- How it works.
- Using Switch-Case conditions to control script flow
- How to do it.
- How it works.
- Learning to use delays
- How to do it.
- How it works.
- Writing a basic looping construct
- How to do it.
- How it works.
- Writing a more complex loop on a predefined array
- How to do it...
- How it works.
- Using the For loop construct
- How to do it.
- How it works.
- Using the While loop construct
- How to do it.
- How it works.
- Cleaning empty directories using the Do-While construct
- Getting ready
- How to do it.
- How it works.
- See also
- Cleaning empty directories using the Do-Until construct
- Getting ready
- How to do it.
- How it works.
- Chapter 8: Performing Calculations
- Introduction
- Performing arithmetic operations
- Getting ready
- How to do it.
- How it works.
- See also
- Performing calculations on the output
- Getting ready
- How to do it
- How it works.
- There's more.
- Working with administrative constants
- Getting ready
- How to do it.
- How it works.
- Working with calculated properties
- Getting ready
- How to do it.
- How it works.
- Working with binary numbers
- How to do it.
- How it works.
- Performing base conversions
- How to do it.
- How it works.
- There's more.
- Chapter 9: Using Arrays and Hashtables
- Introduction
- Creating and working with a simple array
- How to do it.
- How it works.
- There's more.
- Accessing and manipulating array items
- How to do it.
- How it works.
- There's more.
- See also
- Sorting an array
- How to do it.
- How it works.
- There's more.
- See also
- Searching for an item in an array
- How to do it
- How it works.
- See also
- Combining arrays
- How to do it.
- How it works.
- Item matching in an array
- How to do it.
- How it works.
- There's more.
- Removing elements from an array
- How to do it.
- How it works.
- Comparing arrays
- How to do it.
- How it works.
- Creating a simple hashtable
- How to do it.
- How it works.
- Performing simple tasks on a hashtable
- How to do it.
- How it works.
- Chapter 10: Handling Files and Directories
- Introduction
- Reading content from a file
- How to do it.
- How it works.
- See also
- Sending output to a file
- Getting ready.
- How to do it.
- How it works.
- See also
- Adding and setting content to a file
- Getting ready
- How to do it.
- How it works.
- Searching for content
- Getting ready
- How to do it.
- How it works.
- Working with locations
- How to do it.
- How it works.
- See also
- Working with files and directories
- How to do it.
- How it works.
- There's more.
- Listing files and directories
- How to do it.
- How it works.
- There's more.
- Working with structured and unstructured files
- How to do it.
- How it works.
- There's more.
- Chapter 11: Building Scripts and Functions
- Introduction
- Writing a simple script
- How to do it.
- How it works.
- Reading input from the host
- How to do it.
- How it works.
- Displaying an interactive menu
- How to do it.
- How it works.
- See also
- Showing progress of execution
- How to do it.
- How it works.
- See also
- Defining arguments for a script
- How to do it.
- How it works.
- Writing a simple function
- How to do it.
- How it works.
- See also
- Working with a script block
- How to do it.
- How it works.
- Measuring running duration
- How to do it.
- How it works.
- See also
- Important points to remember
- Using Host cmdlets
- Returning objects from functions
- Naming functions
- Chapter 12: Advanced Concepts of Functions
- Introduction
- Defining parameters
- Getting ready
- How to do it.
- How it works.
- There's more.
- See also
- Working with parameter aliases
- How to do it.
- How it works.
- Working with parameter sets
- How to do it.
- How it works.
- Adding default values to the parameter
- How to do it.
- How it works.
- Adding validation to parameter input
- How to do it.
- How it works.
- Handling dependencies and prerequisites
- How to do it.
- How it works.
- Adding safety switches to functions
- How to do it.
- How it works.
- Adding help to functions
- How to do it.
- How it works.
- Adding support for pipeline input
- How to do it.
- How it works.
- There's more.
- Using the Main function
- How to do it.
- How it works.
- Writing a script module
- How to do it.
- How it works.
- See also
- Handling module cleanup
- How to do it.
- How it works.
- Chapter 13: Debugging and Error Handling
- Introduction
- The Debug tab of Visual Studio Code
- Writing debug output
- Getting ready
- How to do it.
- How it works.
- Running a script in Debug mode
- How to do it.
- How it works.
- Tracing errors
- How to do it.
- How it works.
- Using breakpoints
- How to do it.
- How it works.
- Using conditional breakpoints
- How to do it.
- How it works.
- Using exit codes
- How to do it.
- How it works.
- Working with the Error variable
- How to do it.
- How it works.
- Controlling flow based on errors
- How to do it.
- How it works.
- See also
- Sending verbose output to a file
- How to do it.
- How it works.
- Chapter 14: Enterprise Administration Using PowerShell
- Introduction to OpenSSH
- Installing OpenSSH on Windows
- Getting ready
- How to do it.
- How it works.
- There's more.
- See also
- Configuring OpenSSH using sshd_config on Windows
- Getting ready
- How to do it.
- How it works.
- There's more.
- Installing and configuring OpenSSH on Linux
- Getting ready
- How to do it.
- How it works.
- There's more.
- See also
- Testing PowerShell remoting using OpenSSH
- Getting ready
- How to do it.
- How it works.
- Testing PowerShell remoting with OpenSSH using keys between Linux machines
- Getting ready
- How to do it.
- How it works.
- There's more.
- Testing PowerShell remoting with OpenSSH using keys between Linux and Windows machines
- Getting ready
- How to do it.
- How it works.
- See also
- Running cmdlets on remote computers
- Getting ready
- How to do it.
- How it works.
- Managing the administration of remote machines with PowerShell Jobs
- Getting ready
- How to do it.
- How it works.
- There's more.
- Generating HTML reports
- Getting ready
- How to do it...
- How it works.
- See also
- Sending email messages
- Getting ready
- How to do it.
- How it works.
- Chapter 15: PowerShell and Cloud Operations
- Introduction to PowerShell for Cloud operations on Azure and AWS
- Installation of the AzureRM.Netcore PowerShell module on Linux machines
- Getting ready
- How to do it.
- How it works.
- There's more...
- Installation of the AWSPowerShell.NetCore module on Linux machines
- Getting ready
- How to do it.
- How it works.
- There's more.
- Discovering AzureRM cmdlets discovery functions
- How to do it.
- How it works.
- Azure Cloud Shell in action
- Getting ready
- How to do it.
- How it works.
- See also
- Provisioning a Ubuntu 18.04 LTS VM using AzureRM.Netcore cmdlets on the Azure Cloud
- Getting ready
- How to do it.
- How it works.
- There's more.
- Provisioning Linux Docker containers using Docker Machine on Azure
- Getting ready
- How to do it.
- How it works.
- There's more.
- See also
- Provisioning Linux VM using PowerShell script
- Getting ready
- How to do it.
- How it works.
- There's more.
- Performing management tasks using ARM PowerShell cmdlets
- Getting ready
- How to do it.
- How it works.
- PowerShell remoting to Azure VM using OpenSSH
- Getting ready
- How to do it.
- How it works.
- Managing AWS credentials
- Getting ready
- How to do it.
- How it works.
- There's more.
- See also
- Connecting an EC2 Linux instance using SSH from PowerShell
- Getting ready
- How to do it.
- How it works.
- Chapter 16: Using PowerShell for SQL Database Management
- Introduction to PowerShell, SQL Server, and Python
- Technical requirements
- Installing .Net Core on Linux
- Getting ready
- How to do it.
- How it works.
- There's more...
- See also
- Installing the SqlServer module
- Getting ready
- How to do it.
- How it works.
- There's more.
- See also
- Overview of SQL Server SMO
- How to do it.
- See also
- Running cross-platform T-SQL queries
- Getting ready
- How to do it.
- How it works.
- Running cross-platform T-SQL queries on multiple servers
- Getting ready
- How to do it.
- How it works.
- See also
- Creating a repository for Get-Process in the SQL database
- Getting ready
- How to do it.
- How it works...
- Data formatting examples with PowerShell
- Getting ready
- How to do it.
- How it works.
- Overview of PowerShell, Bash, and Python integration
- Getting ready
- How to do it.
- How it works.
- Chapter 17: Using PowerShell with Docker
- Introduction to Docker
- Installation of Docker on Linux
- Getting ready
- How to do it.
- How it works.
- See also
- Getting and listing the Docker management cmdlets
- Getting ready
- How to do it.
- How it works.
- See also
- Overview of Docker Hub and its operations
- Getting ready
- How to do it.
- How it works.
- See also
- Building an image from a Dockerfile using PowerShell
- Getting ready
- How to do it.
- How it works.
- See also
- Pulling a Docker container image from the repository
- Getting ready
- How to do it.
- How it works.
- Listing Docker containers and the images
- How to do it.
- How it works.
- Starting and stopping Docker containers
- Getting ready
- How to do it.
- How it works.
- Removing containers and container images
- How to do it.
- How it works.
- Working with a container using miscellaneous Docker PowerShell cmdlets
- How to do it.
- How it works.
- See also
- Running a PowerShell script to set up Docker containers
- How to do it.
- How it works.
- Finding Docker tags using PowerShell cmdlets from the remote registry
- How to do it.
- How it works.
- See also
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- Index
