PowerShell to Find Users in Multiple AD Groups

PowerShell to Find Users in Multiple AD Groups

Another of the engineer that I would with came to me with a scripting issue.  They had a list of 185 users account that he needed to find if they were members of a list of 6 AD groups.  So that is where PowerShell and I come into this issue. … Continue reading

Change PS Prompt Based on vCenter Connection

The Prompt of a Different Color

In my work environment we are undertaking a major infrastructure upgrade.  We are doing a total refresh of all of the virtual environment, and with this we are also setting up a new vCenter.  With this it can get confusing with having multiple PowerShell ISE apps open and which vCenter I’m currently connected. … Continue reading

PowerCLI to get Virtual to Physical CPU Ratio

PowerCLI to get Virtual to Physical CPU Ratio

I was in a meeting today, and was asked, “What is the current virtual to physical CPU ratio?”  I didn’t have an answer for this question, so I asked PowerCLI for the answer.

[PS]
(get-cluster $ClusterName | Get-vm | Where Powerstate -eq “PoweredOn” | Measure NumCpu -sum).sum / (((Get-cluster $ClusterName | Get-vmhost).extensiondata.summary.hardware | Measure -Property numCpuCores -Sum).sum)
[/PS]

This will be a handy script that can be ran rather quickly. … Continue reading

PowerShell to Install Windows IIS Features

To XML install or not to XML install

For as long as I know, I have used PowerShell to install Internet Information System (IIS).  The method of which I use PowerShell to install the features have changed, but its still PowerShell.

Originally I was given an XML file that was generated, and I would use that to install the features, but once my scripting skills advanced I learned that there were other ways to do it. … Continue reading

PowerCLI to Update VMHost Name

What’s your (host)name?

While digging through Log Insight on a problem, I found a new one.  A large majority of VMhosts were not configured with a proper hostname.  This was also backup by the vCheck report that gets generated weekly.  The hosts were configured with ‘localhost’ as the hostname, which makes this a huge pain when trying to follow the logs.… Continue reading

Gather IP information from Multiple Servers

Gateway to PowerShell Scripting

One of the admins on my team asked the question to me, “How would I get the gateway information from a list of servers?”

I stopped to ponder this issue, and immediately said, “WMI queries is the way I would do this.”

The Thought Process to Select WMI

In my environment PowerShell remoting isn’t configured everywhere, so it wouldn’t be a good option.… Continue reading

Removing Snapshots with PowerCLI

Snapshots for Maintenance or Maintenance for Snapshots…

During our last maintenance window for our VMware environment, my team updated VMware Tools, hardware and aligned vNUMA.  So before we started this work we tool snapshots of all of the VMs there were getting the updates.  Fast forward a few days, and now we have 600+ snapshots that need to be deleted.… Continue reading

Selected for vExpert 2018 Program

Selected for vExpert 2018 Program

On Monday, was I was excited to find that I received the notice I had been selected as a vExpert for 2018 from the VMware community leader.  This was very happy news as this is the 4th year in a row that I have been selected as a vExpert.  Its a great honor to be included in this program with the other prestigious members.… Continue reading

Use PowerCLI to Get Log File When Tools are Broken

Use PowerCLI to Get Log File When Tools are Broken

Over the past weekend we had a massive push of VMware Tools and VM hardware updates.  For the most part this push was smooth except for 2 machines.  Of course these 2 machines are high priority development machines and rebuild just won’t work.

Trying to get a log file off a machine that doesn’t allow for the drivers to  install becomes when trying to research the issue. … Continue reading

PowerCLI to Change Default Multipathing Policy

PowerCLI to Change Default Multipathing Policy

As it would seem in my environment the default multipathing policy changes with the seasons.  We have become very accustom to making these changes based on the newest whitepaper from the storage vendor.

To change the default multipathing policy, you will need to know the name of the Storage Array Type Plugin (SATP) that you need to change the Native Multi-Pathing (NMP) policy for.… Continue reading