June 2011 - Richard Siddaway's Blog - PowerShell.com – PowerShell Scripts, Tips, Forums, and Resources

PowerShell Basics: Scope and Context

There can be a lot of confusion about PowerShell scope and context. I’ll attempt to unravel it in this post. Scope is used to protect the following: variables aliases functions PowerShell drives The scope limits where they can be used and changed. The...

Published Sat, Jun 18 2011 3:10 PM by Richard Siddaway's Blog

Filed under: PowerShell V2

Windows Update: 5 drivers

The previous posts just looked at installing software updates. We can also get driver updates through Windows updates. A simple modification to the get-updates function sets this up. function get-drivers { [CmdletBinding()] param ( [switch]$hidden...

Published Sat, Jun 18 2011 6:43 AM by Richard Siddaway's Blog

Filed under: PowerShell V2, Technology

PowerShell resources: Tip of the Day

Have a look at the RSS feed available from http://powershell.com/cs/blogs/tips/ There are some good ideas in the tips and if nothing else it will get you thinking about PowerShell Read More...

Published Sat, Jun 18 2011 5:05 AM by Richard Siddaway's Blog

Filed under: PowerShell V2, IT Community

Tablets

Like many people in IT I have noticed the explosion in tablet type devices. I have looked at the straight tablet devices such as the iPad & Xoom and decided that at this time they don’t do what I need. I can’t really work on Office documents...

Published Fri, Jun 17 2011 3:03 PM by Richard Siddaway's Blog

Filed under: Technology

PowerShell User group–topics

I’m starting to think about next years programme for the UK user group. Are there any topics – IT Pro or Dev orientated that you would like to see? Any speakers you would like me to try and get back? Do you want more introductory level sessions to cover...

Published Fri, Jun 17 2011 1:37 PM by Richard Siddaway's Blog

Filed under: PowerShell User Group

root\wmi - WmiMonitorColorCharacteristics

The rather long winded name of this class might put you off but it does show something useful Get-WmiObject -Namespace root\wmi -Class WmiMonitorColorCharacteristics produces these results (dropping the system properties) Active ...

Published Thu, Jun 16 2011 2:26 PM by Richard Siddaway's Blog

Filed under: PowerShell and WMI, Technology

New MEAP release for PowerShell and WMI

Chapters 10 and 11 have been added to the PowerShell and WMI early access release – www.manning.com/siddaway2 Chapter 10 is about printers and it covers: discovering printer configurations; testing printer status; discovering and comparing printer drivers;...

Published Thu, Jun 16 2011 12:02 PM by Richard Siddaway's Blog

Filed under: PowerShell and WMI, Books

function definitions

I’m doing quite a bit with the PowerShell Hyper-V library at the moment as I’m using it as the basis of the chapter 16 of PowerShell and WMI ( www.manning.com/siddaway2 ) I’m looking at scripting the starting of virtual machines. The library supplies...

Published Wed, Jun 15 2011 2:10 PM by Richard Siddaway's Blog

Filed under: PowerShell V2

root\wmi–Monitor information

Continuing our intermittent browse through the root\wmi namespace we find a set of classes that seem to be linked to monitors Get-WmiObject -Namespace root\wmi -List WmiMonitor* WmiMonitorBrightnessEvent WmiMonitorConnectionParams WmiMonitorRawEEdidV1Block...

Published Wed, Jun 15 2011 1:51 PM by Richard Siddaway's Blog

Filed under: PowerShell and WMI

PowerShell basics: Invoking commands

We have three ways to invoke a command in PowerShell (apart from typing it at the command line and putting it in a script) These are Invoke-Command, Invoke-Expression and the call operator “&” Invoke-Command is normally used when remoting but we can...

Published Tue, Jun 14 2011 4:09 PM by Richard Siddaway's Blog

Filed under: PowerShell Basics

Scripting Guy Blog- PowerShell and WMI

The Scripting Guy is running a series of posts this week featuring articles taken from PowerShell books published by Manning ( www.manning.com ). Yesterday was Don Jones’ PowerShell Lunches, today is my PowerShell and WMI Read the articles and get the...

Published Tue, Jun 14 2011 12:10 PM by Richard Siddaway's Blog

Filed under: PowerShell V2, PowerShell and WMI, Books

Thought for today

Do you want to know how far PowerShell has spread through the Microsoft technology stack – that’s Microsoft products and partners such as Quest? So do I. Two years ago I could have probably listed every product that had PowerShell support – now I’m continually...

Published Mon, Jun 13 2011 4:39 PM by Richard Siddaway's Blog

Filed under: PowerShell V2

Calculated Fields

You have probably seen something like this many times Get-WmiObject -Class Win32_LogicalDisk -Filter "DriveType=3" | select @{Name="FreeSpace";Expression={$_.Freespace / 1GB}} We take an object and perform a calculation to in effect...

Published Mon, Jun 13 2011 4:06 PM by Richard Siddaway's Blog

Filed under: PowerShell V2

PowerShell User Group–21 June 2011

When: Tuesday, Jun 21, 2011 7:30 PM (BST) Where: Virtual *~*~*~*~*~*~*~*~*~* Session will look at using PowerShell to automate Microsoft Office - Word, Excel, Visio, Access and more Notes Richard Siddaway has invited you to attend an online meeting using...

Published Sun, Jun 12 2011 2:45 PM by Richard Siddaway's Blog

Filed under: PowerShell User Group

Windows updates: 4 tidy up get-update

Looking at the get-update function we created earlier I wanted to tidy it up a bit. 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 function get-update Read...

Published Sun, Jun 12 2011 5:57 AM by Richard Siddaway's Blog

Filed under: PowerShell V2, Advanced Functions, IT Security

June 2011 - Richard Siddaway's Blog

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PowerShell Basics: Scope and Context

Windows Update: 5 drivers

PowerShell resources: Tip of the Day

Tablets

PowerShell User group–topics

root\wmi - WmiMonitorColorCharacteristics

New MEAP release for PowerShell and WMI

function definitions

root\wmi–Monitor information

PowerShell basics: Invoking commands

Scripting Guy Blog- PowerShell and WMI

Thought for today

Calculated Fields

PowerShell User Group–21 June 2011

Windows updates: 4 tidy up get-update