Get-VMHost | Select Name, @{N="ConsoleIP";E={(Get-VMHostNetwork).ConsoleNic | ForEach{$_.IP}}}

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Get-VMHost | Sort Name | Select Name, @{N=”NTP”;E={Get-VMHostNtpServer $_}}

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So, I will let you generate your very own TOP 10 list. Use the following Powershell Oneliner to get a TOP 10 list of your most frequently used cmdlets in your scripts. (Remember to modify the path to your script storage location.)

Happy Holidays!

Get-ChildItem D:Scripts -Filter *.ps1 -Recurse |
 Select-String (Get-Command|%{$_.Name}) |
 Group Pattern |
 Sort Count -Descending |
 Select -First 10 |
 Format-Table Name, Count -AutoSize

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function Get-MyLoggedOnUsers
{
 param([string]$Computer)
 Get-WmiObject Win32_LoggedOnUser -ComputerName $Computer | Select Antecedent -Unique | %{“{0}{1}” -f $_.Antecedent.ToString().Split(‘”‘)[1], $_.Antecedent.ToString().Split(‘”‘)[3]}
}

Hugo

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function Get-VMStat
{
param( $VM,[Int32]$Hours = 1 )
 $VM | Sort Name |
 Select Name, @{N=”CPU”;E={[Math]::Round((($_ |
 Get-Stat -Stat cpu.usage.average -Start (Get-Date).AddHours(-$Hours) -IntervalMins 5 -MaxSamples ($Hours*12) |
 Measure-Object Value -Average).Average),2)}}, @{N=”MEM”;E={[Math]::Round((($_ |
 Get-Stat -Stat mem.usage.average -Start (Get-Date).AddHours(-$Hours) -IntervalMins 5 -MaxSamples ($Hours*12) |
 Measure-Object Value -Average).Average),2)}}
}

A great way to use it is like this:

Get-VMStat (Get-VM) -Hours 4 | Where {$_.CPU -gt 50 -or $_.MEM -gt 75}

I’m sure you can figure out what that does. Be the first to give the correct answer in the comments to win everlasting glory! (or at least until the next oneliner…)

Enjoy!

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Get-VM | ForEach { Set-VM -VM $_ -Description (Get-QADComputer ($_ | Get-View).Guest.HostName.Split(“.”)[0]).Description }

If your vm’s always have the same name as defined in the VM Guest OS, you can suffice with:

Get-VM | ForEach { Set-VM -VM $_ -Description (Get-QADComputer $_.Name).Description }

If you want more advanced description synching, check out the full script.

Enjoy!

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Well, before leaving you sobbing over an empty feed reader, here’s one more oneliner. One for the road.

Get-VMHost | Sort Name | Get-View | Select Name, @{N=”MemoryGB”;E={[math]::Round((($_.Summary.Hardware.MemorySize)/1GB),0)}}, @{N=”MemoryUsageGB”;E={[math]::Round((($_.summary.quickstats.overallmemoryusage)*1MB/1GB),2)}}, @{N=”Percentage”;E={[Math]::Round(100*(($_.Summary.QuickStats.OverallMemoryUsage*1MB/1GB)/($_.Summary.Hardware.MemorySize/1GB)),0)}}

What the *bleep* does that do? I’ll explain it to you:

• It grabs your VMware Servers (Get-VMHost)
• Sorts them by Name (Sort Name)
• Gets the advanced properties (Get-View)
• Selects some properties to show you (Select), being:
  • The server Name (Name)
  • Something called MemoryMB, which is the value of the Summary.Hardware.MemorySize property devided by 1 GB and rounded to zero digits.
  • Something called MemoryUsageGB, which is the value of the Summary.QuickStats.OverallMemoryUsage property (which is already in MBs), converted to GBs and rounded to two digits.
  • Something called Percentage, which is 100 times the MemoryUsage in GBs divided by the Memory in GBs, rounded to zero digits.

Can’t you do something like that with Get-Stat?
Sure, but wouldn’t be near as much fun.

Adios!
Hugo

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Here’s a one-liner to show off to your colleagues. What do you do when somebody asks you for a printed overview of the top-twenty volumes on your virtual servers with the least free disk space?

You fire up your trusty Powershell of course! You type a single line of code, press enter and tell them to check the printer. How cool is that?

Get-VM | Where { $_.PowerState -eq “PoweredOn” } | Get-VMGuest | Select VmName -ExpandProperty Disks | Select VmName, Path, @{N=”MBFree”;E={[math]::Round((($_.FreeSpace)/1MB),2)}} | Sort MBFree | Select -First 20 | Format-Table -AutoSize | Out-Printer

Very cool indeed!

See you next month!

Hugo

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To get all events relating to a certain Virtual Machine, try this:

Get-VM “MyVMName” | Get-VIEvent | Format-Table CreatedTime, FullFormattedMessage -AutoSize

To get all errors from the past 24 hours, enter:

Get-VIEvent -Start (Get-Date).AddHours(-24) -Type Error | Format-Table CreatedTime, FullFormattedMessage -AutoSize

To get all errors related to a cluster, type:

Get-Cluster “MyClusterName” | Get-VIEvent -Type Error | Format-Table CreatedTime, FullFormattedMessage -AutoSize

Finally, to get all events related to DRS:

Get-VIEvent | Where {$_.FulFormattedMessage -match “DRS”} | Format-Table CreatedTime, FullFormattedMessage -AutoSize

As you can see, the possabilities are endless!
Enjoy!

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$VC = Connect-VIServer “YourVCServerName”

Here comes the oneliner:

Get-Datastore | Sort-Object Name | %{Get-View $_.Id} | Format-Table @{Label=”Name”;Expression={$_.info.name}}, @{Label=”NumVMs”;Expression={$_.vm.length}}

Only interested in datastores that are not used? Use the Where-Object cmdlet:

Get-Datastore | Sort-Object Name | %{Get-View $_.Id} | Where {$_.vm.length -eq 0} | Format-Table @{Label=”Name”;Expression={$_.info.name}}, @{Label=”NumVMs”;Expression={$_.vm.length}}

But watch out! Consider a vm with a disk in datastore A and the vmx in datastore B. When you create a snapshot of the vm, the delta files of all disks will be stored with the vmx (in datastore B). The script (as does the VI Client) will show the vm to be not connected to datastore A!

Enjoy!

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