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Articles tagged Powershell

04 April 2022
04 April 2022

Updating Powershell version in Azure CloudShell

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Azure Cloudshell uses PowerShell 7.2.1. However, Powershell 7.2.2 is already available and we have also a PowerShell version 7.3.0 in preview. Wouldn’t it be nice if you could update the powershell version in cloudshell, instead of waiting for Microsoft? This would allow you to run scripts using the new features of the updated versions. Before … Read more
05 October 2020
05 October 2020

Data and Azure links you don’t want to miss

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Browser tabs hold some similarities with tribbles in the way they multiply. Before you can notice, you have hundreds of them. However, in the same way tibbles are fluffy, browser tabs sometimes hold fluffy information as well, the kind of information you know you need but usually you are not sure where to hold it … Read more
18 November 2016
18 November 2016

Hyper-V and PowerShell: The Basics

Because it is important with maintaining Virtual Machine environments to be able to repeat routine tasks completely accurately, Windows PowerShell has grown in importance for the job. Now you can manage the Hyper-V environment via PowerShell without needing to use the Hyper-V Manager console. It opens up many opportunities for automation.… Read more
17 March 2016
17 March 2016

PowerShell Desired State Configuration: LCM and Push Management Model

PowerShell's Desired State Configuration (DSC) framework depends on the Local Configuration Manager (LCM) which has a central role in a DSC architecture. It runs on all nodes that have PowerShell 4.0 or above installed in order to control the execution of DSC configurations on target nodes. Nicolas Prigent illustrates the role of the LCM in the 'Push' mode of configuring nodes.… Read more
07 March 2016
07 March 2016

The PoSh DBA: Assigning Data to Variables Via PowerShell Common Parameters

Sometimes, it is the small improvements in a language that can make a real difference. PowerShell is able to introduce extra common parameters that can be used by any Cmdlet or advanced function. When -PipelineVariable was introduced in V4, we all wondered what it could be used for. Laerte experimented and discovered that it could be a real convenience in every-day scripting with the pipeline.… Read more
19 February 2016
19 February 2016

Using C# to Create PowerShell Cmdlets: The Basics

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Although PowerShell Cmdlets are usually written in PowerShell, there are occasions when the level of integration with existing C# or VB libraries is awkward to achieve with PowerShell. Yes, you can write Cmdlets in C# perfectly easily, but until now it has been tiresome to discover how. Now Michael Sorens shows you the simple route to writing effective C# Cmdlets.… Read more
11 February 2016
11 February 2016

Documenting SQL Server with PowerShell

SQL Server instances are generally poorly-documented. How easily can you tell if something has changed? How easily can you check that there is adequate space for growth? Are you up-to-date with licenses? What errors are happening? Who has accessing the system? Before PowerShell, it was difficult to be on top of all this. Now you can, with the help of Sander's database documenter.… Read more
10 February 2016
10 February 2016

PowerShell Desired State Configuration: The Basics

'Desired State Configuration (DSC) is an essential part of the configuration, management and maintenance of Windows-based servers. It allows a PowerShell script to specify the configuration of the machine using a declarative model in a simple standard way that is easy to maintain and understand. Nicolas introduces the basic DSC concepts and provides a simple example of using the 'Push' model of DSC. … Read more
14 December 2015
14 December 2015

Chet Ramey: Geek of the Week

The BASH shell is the most popular UNIX command-line scriptable shell. It became the inspiration for PowerShell. As with so many standard components of the Open Source movement, there is a hard-working and dedicated individual who quietly supports the tool over many years. Chet Ramey maintains and extends BASH by himself, and we all give thanks to him for his dedication.… Read more
04 December 2015
04 December 2015

The PoSh DBA – Using the Basic PowerShell Paradigms

PowerShell is like any computer language: you must understand the paradigms, the constructs, and the way it is designed to work to get the most value from it. It is no good just translating 'sausage-string' procedural algorithms. To demonstrate how PowerShell should be used as its' creators intended, Laerte Junior shows the difference between PowerShell problem-solving with, and without, PowerShell paradigms.… Read more
01 December 2015
01 December 2015

PowerShell Day-to-Day SysAdmin Tasks: Securing Scripts

Although PowerShell is popular, for malicious intruders it represents a very attractive attack vector into your system. The obvious way of preventing this type of penetration is to detect when a script is altered. Not only must any script that is used for system or data administration be properly secured, but also any script that is used to maintain a PowerShell profile.… Read more
17 November 2015
17 November 2015

Documenting Your PowerShell Binary Cmdlets

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Whereas it is easy to provide inline documentation for a normal scripted PowerShell cmdlet or function so as  to provide comprehensive help at the command-line or IDE, the same isn't true of binary cmdlets written in C#. At last, there is an open-source utility to assist with this that is being actively maintained and updated. At last, binary cmdlets need no longer be the poor cousins of scripted cmdlets in their documentation… Read more