PowerShell
[Pages:247]PowerShell
#powershell
Table of Contents
About
1
Chapter 1: Getting started with PowerShell
2
Remarks
2
Versions
2
Examples
2
Installation or Setup
2
Windows
2
Other Platforms
3
Allow scripts stored on your machine to run un-signed
3
Aliases & Similar Functions
4
The Pipeline - Using Output from a PowerShell cmdlet
5
Commenting
6
Calling .Net Library Methods
6
Creating Objects
7
Chapter 2: ActiveDirectory module
9
Introduction
9
Remarks
9
Examples
9
Module
9
Users
9
Groups
10
Computers
10
Objects
10
Chapter 3: Aliases
12
Remarks
12
Examples
13
Get-Alias
13
Set-Alias
13
Chapter 4: Amazon Web Services (AWS) Rekognition
15
Introduction
15
Examples
15
Detect Image Labels with AWS Rekognition
15
Compare Facial Similarity with AWS Rekognition
16
Chapter 5: Amazon Web Services (AWS) Simple Storage Service (S3)
17
Introduction
17
Parameters
17
Examples
17
Create a new S3 Bucket
17
Upload a Local File Into an S3 Bucket
17
Delete a S3 Bucket
18
Chapter 6: Anonymize IP (v4 and v6) in text file with Powershell
19
Introduction
19
Examples
19
Anonymize IP address in text file
19
Chapter 7: Archive Module
21
Introduction
21
Syntax
21
Parameters
21
Remarks
21
Examples
22
Compress-Archive with wildcard
22
Update existing ZIP with Compress-Archive
22
Extract a Zip with Expand-Archive
22
Chapter 8: Automatic Variables
23
Introduction
23
Syntax
23
Examples
23
$pid
23
Boolean values
23
$null
23
$OFS
24
$_ / $PSItem
24
$?
25
$error
25
Chapter 9: Automatic Variables - part 2
26
Introduction
26
Remarks
26
Examples
26
$PSVersionTable
26
Chapter 10: Basic Set Operations
27
Introduction
27
Syntax
27
Examples
27
Filtering: Where-Object / where / ?
27
Ordering: Sort-Object / sort
28
Grouping: Group-Object / group
29
Projecting: Select-Object / select
29
Chapter 11: Built-in variables
32
Introduction
32
Examples
32
$PSScriptRoot
32
$Args
32
$PSItem
32
$?
33
$error
33
Chapter 12: Calculated Properties
34
Introduction
34
Examples
34
Display file size in KB - Calculated Properties
34
Chapter 13: Cmdlet Naming
35
Introduction
35
Examples
35
Verbs
35
Nouns
35
Chapter 14: Comment-based help
36
Introduction
36
Examples
36
Function comment-based help
36
Script comment-based help
38
Chapter 15: Common parameters
41
Remarks
41
Examples
41
ErrorAction parameter
41
-ErrorAction Continue
41
-ErrorAction Ignore
41
-ErrorAction Inquire
42
-ErrorAction SilentlyContinue
42
-ErrorAction Stop
42
-ErrorAction Suspend
43
Chapter 16: Communicating with RESTful APIs
44
Introduction
44
Examples
44
Use Incoming Webhooks
44
Post Message to hipChat
44
Using REST with PowerShell Objects to Get and Put individual data
44
Using REST with PowerShell Objects to GET and POST many items
45
Using REST with PowerShell to Delete items
45
Chapter 17: Conditional logic
46
Syntax
46
Remarks
46
Examples
46
if, else and else if
46
Negation
47
If conditional shorthand
47
Chapter 18: Creating DSC Class-Based Resources
49
Introduction
49
Remarks
49
Examples
49
Create a DSC Resource Skeleton Class
49
DSC Resource Skeleton with Key Property
49
DSC Resource with Mandatory Property
50
DSC Resource with Required Methods
50
Chapter 19: CSV parsing
52
Examples
52
Basic usage of Import-Csv
52
Import from CSV and cast properties to correct type
52
Chapter 20: Desired State Configuration
54
Examples
54
Simple example - Enabling WindowsFeature
54
Starting DSC (mof) on remote machine
54
Importing psd1 (data file) into local variable
54
List available DSC Resources
55
Importing resources for use in DSC
55
Chapter 21: Embedding Managed Code (C# | VB)
56
Introduction
56
Parameters
56
Remarks
56
Removing Added types
56
CSharp and .NET syntax
56
Examples
57
C# Example
57
Example
57
Chapter 22: Enforcing script prerequisites
59
Syntax
59
Remarks
59
Examples
59
Enforce minimum version of powershell host
59
Enforce running the script as admininstrator
59
Chapter 23: Environment Variables
61
Examples
61
Windows environment variables are visible as a PS drive called Env:
61
Instant call of Environment Variables with $env:
61
Chapter 24: Error handling
62
Introduction
62
Examples
62
Error Types
62
Chapter 25: GUI in Powershell
64
Examples
64
WPF GUI for Get-Service cmdlet
64
Chapter 26: Handling Secrets and Credentials
66
Introduction
66
Examples
66
Prompting for Credentials
66
Accessing the Plaintext Password
66
Working with Stored Credentials
66
Encrypter
67
The code that uses the stored credentials:
67
Storing the credentials in Encrypted form and Passing it as parameter when Required
67
Chapter 27: HashTables
69
Introduction
69
Remarks
69
Examples
69
Creating a Hash Table
69
Access a hash table value by key.
69
Looping over a hash table
70
Add a key value pair to an existing hash table
70
Enumerating through keys and Key-Value Pairs
70
Remove a key value pair from an existing hash table
71
Chapter 28: How to download latest artifact from Artifactory using Powershell script (v2.0
72
Introduction
72
Examples
72
Powershell Script for downloading the latest artifcat
72
Chapter 29: Infrastructure Automation
73
Introduction
73
Examples
73
Simple script for black-box integration test of console applications
73
Chapter 30: Introduction to Pester
74
Remarks
74
Examples
74
Getting Started with Pester
74
Chapter 31: Introduction to Psake
76
Syntax
76
Remarks
76
Examples
76
Basic outline
76
FormatTaskName example
76
Run Task conditionally
77
ContinueOnError
77
Chapter 32: ISE module
78
Introduction
78
Examples
78
Test Scripts
78
Chapter 33: Loops
79
Introduction
79
Syntax
79
Remarks
79
Foreach
79
Performance
80
Examples
80
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