Currently viewing the category: "Oneliners"

Oneliner: Service Console IP with PowerCLI

By On May 26, 2009 · 4 Comments

Getting the Service Console IP addresses of your ESX servers with vSphere PowerCLI (formerly known as the VI Toolkit for Powershell):

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

»crosslinked«

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Checking VMware NTP configuration with Powershell

By On February 12, 2009 · 3 Comments

Thanks to the VMware VI Toolkit 1.5, checking the NTP settings on all your VMware ESX Servers is as easy as a oneliner:

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

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TOP 10 Commandlets in a Oneliner

By On December 18, 2008 · 1 Comment

“It’s the time for lists”, I read somewhere today. Sure, that is true. But blogging little lists isn’t much fun.

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 [...]

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Oneliner: Get Logged on Users with Powershell

By On November 18, 2008 · 7 Comments

Check out this oneliner/function! Provide a computer name and it will return the logged on users.

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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VMware Stats Oneliner

By On October 17, 2008 · 3 Comments

Today’s oneliner is a nifty little function that reports the average CPU and Memory usage for one or more of your VMs, calculated over the last x hours:

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) [...]

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Oneliner of the day

By On October 16, 2008 · 2 Comments

Do your fellow VMware Admins sometimes forget to fill in the Notes field for a new vm they create? Or would you like to change those inconsistent notes to something more accurate? Todays oneliner simply copies the Active Directory description field into your Virtual Infrastructure. It’s quite blunt about it. Besides asking if [...]

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Oneliner for the road

By On September 10, 2008 · 2 Comments

Okay, so I’ve just announced I won’t  post anything for the coming month. You must all feel very sad.

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 [...]

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Posting Pause (plus bonus oneliner)

By On September 10, 2008 · 6 Comments

I’m sorry to announce that I won’t be able to post anything until the beginning of October. But I will be back, so please keep me in your RSS feed or check back here in a month. I’ll be back full-force, with more awesome one-liners, helpful scripts and fantastic functions!

Here’s a one-liner to show [...]

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Quick VI Toolkit Oneliners

By On September 9, 2008 · Leave a Comment

Today, I have some quick-and-easy VI Toolkit ‘Get-VIEvent’ one-liners for you. Let’s get started right away:

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 | [...]

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Powershell Oneliner #6

By On August 19, 2008 · 4 Comments

Today’s oneliner is an incredibly fast way to check the usage of your VMware datastores. You should first connect to Virtual Center in the following way:

$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? [...]

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