Get-SCVMHost -VMHostCluster ( Get-SCVMHostCluster -Name cluster_name) | Select-Object Name
Use-Powershell
09 August 2023
25 July 2023
Rescan disks remotely for a list of computers
Get-Content .\records.txt | %{Invoke-Command -ComputerName $PSItem -ScriptBlock {@('RESCAN','EXIT') | diskpart}}
22 February 2023
Define powershell custom objects
$hash = @{
Prop1 = 'Value1'
Prop2 = 'Value2'
Prop3 = 'Value3'
}
$CustomObject = [pscustomobject]$hash
Powershell generic List
list are allways to be used what the collection has to grow or shrink.
arrays should be used only when the collection have a fixed length and it will not change.
[System.Collections.Generic.List[string]]::new()
[System.Collections.Generic.List[int]]::new()
[System.Collections.Generic.List[Object]]::new()
Powershell - ignoring output performance
(Measure-Command -Expression { [void]$(1..100000) }).Milliseconds
53
(Measure-Command -Expression { $null = $(1..100000) }).Milliseconds
49
(Measure-Command -Expression { $(1..100000) > $null }).Milliseconds
62
(Measure-Command -Expression { $(1..100000) | Out-Null }).Milliseconds
393