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Category: Powershell

Managing Powershell Functions with PSFunctionInfo

Jeffrey Hicks announces a new tool:

Over the last year, I’ve been working on a solution. I’ve been using it and finding it helpful. My friend Gladys Kravitz was also bemoaning the lack of tools for managing stand-alone functions. And while she had her own approach, I thought my solution might offer more. So I polished it up, setup a Github repository, and published a preview release to the PowerShell Gallery. The module is called PSFunctionInfo. You can find the repository on Github. Because it is a pre-release, you might need to install the newest version of the PowerShellGet module so you have the prerelease parameters.

Click through for more detail on how to use it.

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Validating IP Addresses using Powershell

Joey D’Antoni needs a good IP address:

I had a client ask me to write a PowerShell script (for an Azure Automation runbook) to automate the creation of firewall rules for an Azure SQL Database. As part of this process, I was planning on having to validate the IP addresses (a valid IP address is of the format x.x.x.x where x is an integer between 0 and 255) by having to write some code to split the IP address string into individual octets and figuring out if each value was a valid number. However, in doing research (searching Stack Overflow), I discovered PowerShell has a built-in IP address data type, which made my life way easier.

Read on to see how you can use this to your advantage.

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The Equals Sign in Powershell

Kenneth Fisher avoids overloading:

In SQL Server both the set and equality functions are handled by the equals sign (=). 

[…]

However, in some other languages that’s not how it works. In PowerShell for example the equals sign is always a set operation. 

Click through to learn the difference, as well as what Powershell uses for equality operations. I think my favorite language for this is Scala, where I jokingly say = means “is equal to,” == means “is really equal to,” and === means “is equal to and I totally mean it.”

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Storing dbatools as a Package in Azure DevOps

Kevin Chant has a process for us:

In this post I want to cover how you can store dbatools PowerShell module as a package in Azure DevOps. By using the Azure Artifacts service.

I want share some knowledge about this because did a demo of it at Malta Data Saturday. By the end of this post you will have a better understanding of Azure Artifacts and a workaround if you encounter a problem publishing a package.

Read on for the process.

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Working with Secrets in Powershell

Jeffrey Hicks tries out the Secrets Management modules in Powershell:

So I’ve been kicking the tires and trying to do more with the Secrets Management modules from Microsoft, now that they are out of pre-release status. You can install the Microsoft.PowerShell.SecretStore and Microsoft.PowerShell.SecretManagement modules, you’ll need both, from the PowerShell Gallery. You can find extension modules that build on the Microsoft modules for working with other key vaults or secret store. Run find-module -tag secretmanagement to find additional modules. But what I want to talk about today relates to the Microsoft modules. Although, it might apply to you with any of the extension modules. The challenge is using the secrets management modules with a PowerShell profile script.

Read on for a challenge around running scheduled tasks which require secrets and a solution.

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Changing SQL Server to Use a Static, Non-Standard Port

Jack Vamvas has a cmdlet for us:

Question: I have an  SQL Server Instance – currently configured with a Dynamic Port. I’d like to change the setting from a Dynamic port configuration to a Static port configuration , using Powershell.

I want to change to a static port as we need to set up some Firewall rules , and using a static port will be much easier

How can this be done?

Click through for the answer.

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Reading from Oracle without the Oracle Client

Emanuele Meazzo was in a bind:

If you read my previous article on how to configure a Linked server to Oracle , you know that I feel like someone is plotting to keep the topic of how to get our precious data outside of the Oracle ecosystem as obscure as possible out of the oracle circle
Fear not! I’m here to get you all the info in order to get data from Oracle Database via Powershell, in a native high-performance way, allowing you to create a multithreaded, reliable and connected ETL flow to feed a data warehouse from Oracle data, like the owner of this blog, or just move quickly some data from one place to another, programmatically, whatever it’s your need.

I support any effort to get data away from Oracle. Click through for the script and an explanation of each step.

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More About Default Parameter Values in Powershell

Jeffrey Hicks follows up on a prior post:

Last week I shared a little nugget about making PowerShell life easier by using the built-in variable, $PSDefaultParameterValues. This is a special hashtable where you can define default parameter values for any PowerShell command. This means any PowerShell script or function that has defined parameters AND uses [cmdletbinding()]. If you have a simple function that only uses a Param() block, $PSDefaultParameterValues won’t work for that function. I recommend that all PowerShell functions use [cmdletbinding()] so hopefully, this won’t be an issue. Since I received some positive feedback and a few questions on the previous post, I thought a quick follow-up might be in order.

Read on for additional useful information regarding $PSDefaultParameterValues.

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