PowerShell for Windows Admins:

April, 2013


April 30, 2013  2:09 PM

Getting the folder name

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

Consider the file information from get-childitem PS> $file = ls servicesv0.6.txt Fullname gives the full path to the file PS> $file.Fullname C:\MyData\SkyDrive\Data\scripts\servicesv0.6.txt if you use DirectoryName you get the full path to the parent directory PS>...

April 30, 2013  1:25 PM

Don’t go mad on a one liner

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

Looking at my first group of entries for Beginners Event 1 I’ve noticed what seems like a fanatical attempt to squash everything onto one line. command; command; command; command is NOT a one liner. The ; marks the end of a line command | command | command | command IS a one liner, even...


April 30, 2013  1:19 PM

Read the Question

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

When my children were at school and going off for a test or exam the last thing I told them was read the question. It seems this needs to be repeated for the Scripting Games.  The Beginners Event 1 involved MOVING files from one server to another. I have seen a significant number of answers...


April 30, 2013  12:32 PM

WMI vs CIM speed tests–the final round

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

As a final test I want to see what happened when I ran multiple commands against the remote machine. PS> 1..100 | foreach { Measure-Command -Expression{1..100 | foreach { Get-WmiObject -Class Win32_ComputerSystem -ComputerName W12SUS; Get-WmiObject -Class Win32_OperatingSystem...


April 30, 2013  11:52 AM

Backticks are baaaaaad; don’t do backticks

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

The voting/judging process has started for event 1 in the 2013 Scripting Games.  What I’m going to be doing over the next few weeks is point out some of the things that I’ve noticed when judging. Some will be good things that I think you should adopt; others will be bad things that you should...


April 29, 2013  1:17 PM

CIM vs WMI cmdlets-remote execution speed

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

Following on from my previous post we’ll look at how the two types of cmdlets compare for accessing remote machines. I used a similar format to the previous tests but was accessing a remote machine. First off was the WMI cmdlet – using DCOM to access the remote Windows 2012...


April 29, 2013  12:26 PM

AD Management in a Month of Lunches– chapter 9 in MEAP

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

The MEAP for AD Management in a Month of Lunches has been updated with the release of chapter 9 on managing group policies


April 28, 2013  3:03 PM

CIM cmdlets vs WMI cmdlets–speed of execution

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

One question that came up at the summit was the comparative speed of execution of the new CIM cmdlets vs the old WMI cmdlets.  No of us knew the answer because we’d never tried measuring the speed.

I decided to perform some tests.

This first test is accessing the local...


April 28, 2013  11:51 AM

Time for D-CRUD?

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

I was thinking on the plane back from the PowerShell summit about the CRUD activities. They are a concept we have inherited from the database world: C = Create R = Read U = Update D= Delete Create, Update and Delete correspond directly to the PowerShell verbs – New,Set and Remove...


April 28, 2013  5:45 AM

Scripting Games 2013 have started

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

The 2013 Scripting Games kicked off during the PowerShell summit.  Event 1 is open and you can submit entries up until 23:59:59 GMT on 29 April 2013.  Voting on the entries starts at at midnight on 30 April. You can enter and you can vote on the entries.  This is a community...


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