PowerShell for Windows Admins:

June, 2014


June 30, 2014  12:55 PM

Workflows 6: suspending jobs

Richard Siddaway Richard Siddaway Profile: Richard Siddaway
Workflow

One of the great things about work flows is that you can stop and start them. A workflow can be stopped, on a temporary basis, by using the Suspend-Workflow activity. workflow suspend1 { Get-Service Suspend-Workflow Get-Process } suspend1   This will run the Get-Service...

June 27, 2014  2:02 PM

Expanding server names

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

I had a comment left on my recent post – “Bad practices – making scripts needlessly interactive” asking how to deal with the situation of N servers consecutively numbered e.g. server01 to server05. Taking the script from that post as an example:   [CmdletBinding()] param...


June 26, 2014  11:34 AM

Workflows: 5a CDXML modules update

Richard Siddaway Richard Siddaway Profile: Richard Siddaway
Workflow

In my last post I questioned why commands from CDXML didn’t fail as thee weren’t any activities defined for them.  Turns out that functions and other commands that don't explicitly have their own workflow activities are implicitly wrapped in the inline script activity.  As CDXML modules...


June 24, 2014  2:11 PM

Workflows: 5 CDXML modules

Richard Siddaway Richard Siddaway Profile: Richard Siddaway
Workflow

Last time we saw that you’re not really using cmdlets in PowerShell workflows – you’re using workflow activities. Some cmdlets haven’t been packaged into activities and for those you need to put them in an Inlinescript block.  You can also use an Inlinescript block to run any arbitrary...


June 23, 2014  11:24 AM

Bad practices – making scripts needlessly interactive

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

the PowerShell community spends a lot of time talking about best practices when using PowerShell. I’m not convinced this approach is working as we keep seeing the same bad practices coming through on forum questions. I thought I’d turn the problem on its head and present a now-and-again series...


June 22, 2014  8:23 AM

PowerShell.org – TechSession webinairs

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

PowerShell.org are starting a series of technical webinairs. Details from http://powershell.org/wp/techsession-webinars/


June 22, 2014  8:13 AM

Workflows: 4 Using cmdlets

Richard Siddaway Richard Siddaway Profile: Richard Siddaway
Workflow

This is a simple function to return some data about a system: function get-serverdata { Get-CimInstance -ClassName Win32_OperatingSystem Get-Service Get-Process } get-serverdata   The function will return the CIM data about the operating system, then the service data and...


June 21, 2014  10:03 AM

PowerShell Summit Europe 2014 – – reasons to attend 1..7

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

With the opportunity to register for the first PowerShell Summit in Europe fast approaching you may be looking for reasons you can use to convince your boss to let you go.  These are just some of the reasons you should attend: Excellent sessions  -  our sessions are deliberately kept short...


June 20, 2014  1:38 AM

PowerShell Summit Europe 2014 – – update 2

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

There seems to have been a bit of confusion regarding the European PowerShell Summit as the site will tell you that registration is currently unavailable. There isn't a problem and the Summit  HAS NOT sold out at this time. We just haven't opened registration yet. Registration will open on 15...


June 19, 2014  1:08 PM

Workflows: 3 parallel and sequence

Richard Siddaway Richard Siddaway Profile: Richard Siddaway
Workflow

I said in the first post in this series that you could force a workflow to perform tasks in parallel or in sequence. Starting with parallel you can force parallel execution by using the parallel keyword: workflow thursday1 { parallel { 1..26 | foreach {$psitem} 65..90 | foreach...


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