Author Archives: nerenther

PowerCli: Finding amount of GB used by VMs in a folder/vApp/datacenter

Sometimes it can be useful to know how much space the VMs in a specific folder (or vApp/datacenter) is occupying. For example if you are a hosting provider of some sort and need to know how much space a customer … Continue reading

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Powershell: Write-Progress, a step-by-step guide

For whatever reason, I had a really difficult time wrapping my head around the usage of Write-Progress. The basic usage is off-course quite easy: Write-Progress -Activity “Something” -Status “Something else” -CurrentOperation “thinking” -PercentComplete 30 This will show a quick progress … Continue reading

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PowerCLI: Consolidate all VMs that need consolidation

Robert van den Nieuwendijk has a nice post on how to use PowerCLI to find VMs that need consolidation and then how to start consolidation. You can that post here: http://rvdnieuwendijk.com/2012/09/26/use-powercli-to-consolidate-snapshots-in-vsphere-5/ But, as always, I prefer to make a function of … Continue reading

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PowerCLI: Locate a MAC-address in vCenter

To find out to which vm a MAC address belongs, you can use a simple one-liner: Get-vm | Select Name, @{N=“Network“;E={$_ | Get-networkAdapter | ? {$_.macaddress -eq“00:50:56:A4:22:F4“}}} |Where {$_.Network-ne “”} (Courtesy of this page: http://www.virtu-al.net/2009/07/07/powercli-more-one-liner-power/ ) Thats really great, and you … Continue reading

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PowerCLI: List all vm’s with ISO mounted and dismount them

Easy-peasy and a pretty short post… To get all vm’s with iso mounted: Get-VM | Get-CDDrive | select @{N=”VM”;E=”Parent”},IsoPath | where {$_.IsoPath -ne $null} Then, to dismount those: Get-VM | Get-CDDrive | where {$_.IsoPath -ne $null} | Set-CDDrive -NoMedia -Confirm:$False

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PowerCLI: Migrate all vm’s on a datastore

PowerCLI is just awsome This simple one-liner migrates all vm’s off one datastore to a new one: Get-VM -Datastore <datastore1> | Move-VM -Datastore <datastore2> You can also move vm’s off one datastore and place them in any datastore within a … Continue reading

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PowerCLI: List all snapshots

It’s been a while since last update, again, so I figured I should at least provide something.. I recently started in a new job, and one of the first things I looked into was the amount of snapshots in our … Continue reading

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Powershell: Invoke-Sound function

I stumbled upon this brilliant powershell function for playing sounds using powershell, check it out: http://community.spiceworks.com/scripts/show/1337-powershell-function-invoke-sound He even added a switch for playing the imperial march from Star Wars    

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Powershell: Install role or feature on multiple remote servers

Today I was presented with a task that sounded pretty boring and repetitive: Install the Windows Search service on all our citrix servers. Now, I could just log on each and every one of our citrix servers, open Server Manager and … Continue reading

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Powershell: Export-Csv and non-English letters

The Export-Csv cmdlet is a really nice tool if you want to gather info from e.g. Active Directory that you later want to import to Excel. But as you might have noticed it doesn’t play well with non-English letters. Working … Continue reading

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