A. Mikkelsen

VMware ESX scripts, commands, tools and other nice to know things that will make your virtualization days easier!!!!

How cool is this, just wat I been looking fore.
http://www.v-kernel.com/

http://www.vmware.com/pdf/vi3_security_hardening_wp.pdf

I was looking for articles about time keeping in VMware ESX and stumbled over this one.
It was writen i 2005 but after reading it it still much apply today.

http://www.vmware.com/pdf/vmware_timekeeping.pdf

The authors behind the book “VMware ESX Server 2.5 Advanced Technical Guide” has made it free for download, because they are working on a new release for ESX 3.x.

You can download it for free here.

Edit and add the following to the VMX file :

scsi1.present = “TRUE”
scsi1.virtualDev = “lsilogic”
scsi1.sharedBus = “virtual”
disk.locking = “false”
scsi1:0.present = “TRUE”
scsi1:0.fileName = “Shared.vmdk”

Notice that the SCSI target is 1:0 and not 0:1

After this you should be able share the disk between 2 VM’s.

Using vimsh

No comments

List information about a VM
vimsh -n -e “vmsvc/getallvms”

See a summary of the current host configuration
vimsh -n -e “hostsvc/hostsummary”

Enter maintence mode
vimsh -n -e /hostsvc/maintenance_mode_enter

Exit maintence mode
vimsh -n -e /hostsvc/maintenance_mode_exit

Found this article on how to dispay usefull information in the logon banner.

http://www.xtravirt.com/index.php?option=com_content&task=view&id=73&Itemid=67

I love it. It’s always nice to be presented with information about your system

A. Mikkelsen

Here is at BASH script to power off all active VM’s on a host.

#!/bin/bash
IFS=’

for vm in `vmware-cmd -l`
do
        name=`vmware-cmd “$vm” getconfig displayname -q`
        state=`vmware-cmd  “$vm” getstate -q`
        if [ “$state” == “on” ]
        then
                echo “Trying to power off $name….”
                output=`vmware-cmd “$vm” stop trysoft`
            if [ $? -eq 0 ]; then
                echo “$name was powered off successfully.”
            fi
    fi
done

The script was posted by Alex at the VMTN forum a while back, but is now updated so i reports if the VM is powered off succesfully.

Came accross this article on how to HOT clone a VM.

http://smkelly.livejournal.com/66017.html

Someone informed me on this very usefull add-on for Virtual Center 2.x.

VCplus           – http://www.run-virtual.com/?page_id=184

Haven’t tried it myself yet, but i will during next week.
I think that this add-on is a step in the right direction. Mayby VMware should implement this add-on in VC.

Nice job Richard …. Keep it up….

A. Mikkelsen

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