jeffgreenca

#Quick & Dirty snapshot list
get-vm | % { $s = $_ | Get-Snapshot; if ($s) { write-output "VM: $($_.name), Snap: $($s.name)" } }

jeffgreenca

#Compare specific privileges assigned to roles with matching names in two different vCenters

#Populate two arrays with roles from old vCenter 5.5 and new vCenter 6.0
Connect-VIServer oldvcenter
$p_old = Get-VIRole
Disconnect-VIServer

Connect-VIServer
$p_new = Get-VIRole
Disconnect-VIServer

jeffgreenca

#!/bin/sh
echo "Current Memory Configuration"
free -m
read -p "Continue or ctrl-c? "
echo "Disk Free Space"
df -h
read -p "Make 4GB swap file at /swapfile? Continue or ctrl-c..."
echo "Allocating space..."
fallocate -l 4G /swapfile
echo "Formatting as swap..."

jeffgreenca

#/bin/sh
#List all listening ports and their bound IP
ss -lntu | awk '{print $5}' | awk -F ':' '{print $2, "(",  $1, ")" }' | sort -n
#Lists just the ports
#ss -lntu | awk '{print $5}' | sed 's/^.*://' | sort -n

jeffgreenca

get-vmhost | % { start-vmhostservice -hostservice ($_ | Get-VMHostService | ? key -eq "TSM-SSH") }

jeffgreenca

#Get VM Host Max EVC Mode
get-view -viewtype hostsystem | select name, {$_.parent}, {$_.Summary.MaxEVCModeKey} | sort "`$_.parent"

jeffgreenca

#vmotion-validation-test.ps1
#vMotion a VM over all hosts in a cluster, twice. 
$cluster = Read-Host "Cluster Name"
$vm = Read-Host "Test VM Name"

function validate-vmotion($cluster, $vm) {
  $totalms = 0
  $count = 0
  get-cluster $cluster | get-vmhost | foreach {
	$duration = Measure-Command {

jeffgreenca

#ajz posted this example at https://www.reddit.com/r/vmware/comments/4akx3o/when_did_somebody_change_the_memory/d126zrc
#Saving here for future reference

# Get VM's "Reconfiguration" events
$changeevents = $vm | Get-VIEvent | Where { $_.FullFormattedMessage -like "Reconfigured*"}
# Who initiated the event
$changeevents[0].UserName
# What specs were changed
$changeevents[0].ConfigSpec

jeffgreenca

#given source.csv
#mac,ip
#aabbccddeef0,172.16.1.20
#aabbccddeef1,172.16.1.21
Import-CSV source.csv | % { Add-DhcpServerv4Reservation -Scope 172.16.1.0 -ClientID $_.mac -IPAddress $_.ip }

jeffgreenca

Get-Datastore | % { $sum = ($_ | get-vm | Measure-Object).count; echo "$($_.name), $sum" }