powershell slides

Varun Varghese +91 9986599326 varunmuriyanat@gmail.com 1

What’s PowerShell• Scripting Environment• Scripting Language• Windows equivalent of UNIX Shell Script (but even more powerful)

Interactive Shell

History

Versions

.Net Framework

Installing the latest versionhttps://www.microsoft.com/en-us/download/details.aspx?id=46889

ISE – The PowerShell IDE

Case InsensitiveGet-serviceget-serviceGet-Service

Installing/Accessing PowerShell

Updating the help in PowerShell

Get help in PowerShellGet-Help

Execution Policy

Get & Set CmdletsGet-<Command>Set-<Command>

Comments

Writing to Console

Clear Screen

Aliases

Variables

Data types

Pipelining

.Net objects passed down the pipeline

Listing directory Contents

Recursive listing

ErrorAction SilentlyContinue

Looping using Foreach-Object

Filtering using Where-Object

Sorting using Sort-Object

PowerShell v/s UNIX Shell

Assignment Operators=+=-=*=/=%=++--

Comparison Operators-eq-ne-gt-ge-lt-le-replace-contains-notcontains-in-notin-match-notmatch-like-notlike

-is-isnot-as

Comparison Operators: -eq, -ne

Comparison Operators: -gt, -ge

Comparison Operators: -lt, -le

Comparison Operators: -replace

Comparison Operators: -contains, -notcontains

Comparison Operators: -in, -notin

Comparison Operators: -match, -notmatch

Comparison Operators: -like, -notlike

Comparison Operators: -is, -isnot

Comparison Operators: -as

Logical Operators

Split, Join, foreach

Casting

Redirection Operators

Handling arrays

Dictionary/hash tables

Object Properties

Object Methods

String manipulation

Sorting Objects

PowerShell automatic variables

Searching filesystem using PS

Getting System processes

Getting list of services

Filtering objectshttps://technet.microsoft.com/en-us/magazine/2007.04.powershell.aspx

http://windowsitpro.com/powershell/powershell-basics-filtering-objects

http://www.howtogeek.com/138324/geek-school-learning-formatting-filtering-and-comparing-in-powershell/

http://searchwindowsserver.techtarget.com/feature/Filtering-output-from-Windows-PowerShell

Copying files/directories

Reading from file

Writing to file

Appending to a file

Deleting file/directory

Renaming a file/directory

Reading from Excel

Reading from CSV

Writing to CSV

Writing to Excel

Export-CSV

Reading large files

Exporting as CSV

Importing CSV

Appending to file

User defined Functions

http://windowsitpro.com/windows/create-your-own-powershell-functions

Param in functions

Passing parameters to functions

Parameters from Pipeline

Error Handling

Logging Error

Exception Handlinghttp://www.vexasoft.com/blogs/powershell/7255220-powershell-tutorial-try-catch-finally-and-error-handling-in-powershell

http://blogs.msdn.com/b/kebab/archive/2013/06/09/an-introduction-to-error-handling-in-powershell.aspx

http://blogs.technet.com/b/heyscriptingguy/archive/2014/07/09/handling-errors-the-powershell-way.aspx

Output formattinghttps://technet.microsoft.com/en-us/library/dd347677.aspx

https://technet.microsoft.com/en-us/magazine/2008.06.windowspowershell.aspx

http://www.computerperformance.co.uk/powershell/powershell_format_table.htm

http://www.computerperformance.co.uk/powershell/powershell_-f_format.htm

http://blogs.technet.com/b/heyscriptingguy/archive/2011/02/23/format-powershell-output-with-an-easy-to-use-table.aspx

http://windowsitpro.com/powershell/powershell-basics-formatting

Advanced formatting

Redirecting formatted output

Modules

Navigating the Registry

Starting a new Job

WMI• Windows Management Interface• Created by Microsoft• Is Microsoft’s implementation of CIM• CIM is the super class for WMI. Eq Win32_DiskDrive is derived from CIM_DiskDrive• Doesn’t work with the routers, switches or other network devices• Doesn’t support discoverabilty

WMIhttp://blogs.technet.com/b/heyscriptingguy/archive/2009/08/05/hey-scripting-guy-can-windows-powershell-call-wmi-methods.aspx

http://www.computerperformance.co.uk/powershell/powershell_wmi.htm

http://www.darkoperator.com/blog/2013/2/6/introduction-to-wmi-basics-with-powershell-part-2-exploring.html

http://www.lazywinadmin.com/2015/03/standard-and-advanced-powershell.html

WMI Administrative Toolshttp://www.microsoft.com/en-us/download/details.aspx?id=24045

Windows COM (Component Object Model)

WMI ExplorerDownload WMI Explorer from https://wmie.codeplex.com/

WQL (WMI Query Language)

CIM• Common Information Model• Set up by DTMF (Desktop Management Task Force)• http://www.dmtf.org/standards/cim• An open model compared to WMI• Common model for managing systems, switches, routers and other n/w

devices• Enables extension of the API by vendors• The goal is to make PowerShell the platform to manage both windows & non-

windows • Faster than WMI

“CIM provides a common definition of management information for systems, networks, applications and services, and allows for vendor extensions. CIM’s common definitions enable vendors to exchange semantically rich management information between systems throughout the network.”

PS Provider• Its an interface• It makes any storage look like a disk drive

• Could be filesystem, registry• Providers are used to create drives

https://technet.microsoft.com/en-us/library/ee126186(v=vs.85).aspx

https://technet.microsoft.com/en-us/library/dd315335.aspx

https://technet.microsoft.com/en-us/library/ee176857.aspx

PS Provider

PS DriveA PowerShell Drive is some sort of a storage adapted to look like a disk drive

PS Drive

New-PSDrive

Administration Automation

Connecting to SQL Server

Creating Database, Tables in SQL

Importing data into SQL Server

Connecting to Remote machines

Importing libraries

OOP in PowerShellhttps://psclass.codeplex.com/

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