Monthly Archives: December 2016

PowerShell in 2017

Posted on Saturday 31 December 2016 by richardsiddaway

As 2016 winds down what do we have to look forward to from PowerShell? In January WMF 5.1 should become available for down level clients. This brings PowerShell 5.1 to Windows 7 SP1, 8.1, 2008 R2 SP1, 2012, 2012 R2 … Continue reading →

Posted in Powershell | 2 Comments

2016–a PowerShell perspective

Posted on Saturday 31 December 2016 by richardsiddaway

2016 was important as the 10th anniversary of PowerShell being released as a web download – announced November 2006 at TechEd/IT Forum in Barcelona. The PowerShell team organised a 8 hour web cast on Channel 9 that I was privileged … Continue reading →

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Summit 2017 Registration still open

Posted on Friday 30 December 2016 by richardsiddaway

Just a quick reminder that the registration for the 2017 PowerShell and DevOps Summit is still open – details from https://powershell.org/summit/

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Preserving property order

Posted on Friday 30 December 2016 by richardsiddaway

This is a very common pattern: $os = Get-CimInstance -ClassName Win32_OperatingSystem $comp = Get-CimInstance -ClassName Win32_ComputerSystem $props = @{   OS = $os.Caption   InstallDate = $os.InstallDate   LastBoot = $os.LastBootUpTime   Make = $comp.Manufacturer   Model = $comp.Model } … Continue reading →

Posted in Powershell Basics | 3 Comments

Linux on the desktop

Posted on Thursday 29 December 2016 by richardsiddaway

My sense of humour has some quirky moments – as my friends will tell you. Last night I had a lot of time to sit and think (why is a story for another time and place) and it one point … Continue reading →

Posted in Linux, Windows 10 | Leave a comment

Inertia rules

Posted on Tuesday 27 December 2016 by richardsiddaway

In this article https://powershell.org/2016/12/15/the-key-to-understanding-powershell-on-windows-or-linux/ Don Jones explains Windows administrators have difficulty explaining, and “selling” PowerShell to Linux admins. I’ve known Don for quite a long time and He’ll be the first to tel we don’t agree on everything so It’ll … Continue reading →

Posted in Opinion, Powershell | 3 Comments

Applying updates through WSUS

Posted on Thursday 22 December 2016 by richardsiddaway

I like to keep the virtual machines in my test lab up to date so have a WSUS server to download and manage updates. The difficulty is applying the updates. With Windows 2012 R2 I used a module that would … Continue reading →

Posted in PowerShell and CIM, PowerShell and WMI, Windows Server 2016, WSUS | Leave a comment

Calculating Standard Deviation – the class

Posted on Tuesday 20 December 2016 by richardsiddaway

You’ve seen how to calculate standard deviation and how to turn that calculation into a PowerShell function. This time we’ll use the calculation to create a class: class stats {     static [double] StandardDeviation ([double[]]$numbers) {     $mean = … Continue reading →

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Calculating Standard Deviation – the function

Posted on Tuesday 20 December 2016 by richardsiddaway

Last time I showed how to calculate the standard deviation of a set of numbers and said the code could easily be turned into a function function Measure-StandardDeviation {   [CmdletBinding()]   param (     [double[]]$numbers   )   $mean … Continue reading →

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Calculating Standard Deviations–the calculation

Posted on Monday 19 December 2016 by richardsiddaway

A while ago I saw something asking about calculating standard deviations for a set of numbers in PowerShell. You can calculate the the mean (average) of a set of numbers using Measure-Object $numbers = 1..10 $mean = $numbers | Measure-Object … Continue reading →

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