V blog » Virtualisation

VMware vCenter Mobile Access

admin — Tue, 31 Mar 2009 11:06:17 +0000

Ever wish you could restart a virtual machine or migrate it to another host from the convenience of your mobile phone? With VMware vCenter Mobile Access, you can.

VMware vCenter Mobile Access allows you to monitor and manage VMware Infrastructure from your mobile phone.

Click here to view the embedded video.

VCP Passed !

admin — Tue, 13 Jan 2009 10:50:47 +0000

After a week of studying and reading, I passed by VCP – VCP310 today. Scored 81 !. I found it helpful to prepare detailed study notes using the VM install and configure guide.

Now I can finally sleep well.

I Support Obama because he Supports Virtualization

admin — Wed, 05 Nov 2008 04:30:36 +0000

Barack Obama in favor of Virtualization (spelt Virtualisation) . Vote for change in a datacenter or on a desktop near you.

Click here to view the embedded video.

Go Obama..

SSH ESXi

admin — Sat, 16 Aug 2008 09:40:30 +0000

By default SSH is not enabled in ESXi. Follow the steps below to enable it

At the ESXi console, press alt+F1
Type: unsupported
Enter the root password
At the prompt type “vi /etc/inetd.conf”
Look for the line that starts with “#ssh”
Remove the “#” (press the “x” if the cursor is on the character)
Save “/etc/inetd.conf” by typing “:wq!” or “ZZ“
Restart the management service “/sbin/services.sh restart” or reboot the host

This works with ESX3i & ESX4i.

General System Error occurred: Internal error

admin — Tue, 12 Aug 2008 01:44:15 +0000

Quick & Easy Way to Install

http://www.vdi.co.nz/?p=33

Express Patch Released by VMware. check here

http://vmware.com/landing_pages/esxexpresspatches.html

General System Error occurred: Internal error when powering up a vm on ESX 3.5 Update 2and ESX 3i 3.5 Update 2.

From the logs( /var/log/vmware/hostd.log) , Message from : This product has expired.

Use the patch above.

The temporary work around is to change the date to before 10th Aug & power the vm’s. while its booting, change to current date. this workked for me

Step 1. > From VI CLient, click on ESX Host > Configuration > Time Configuration > Properties and change the time to before 10 aug 2008.

This should Power the VM on. Or stop NTP

Step 2. > Once your VM’s are turned on, change to current date.

Will post here once official fix is released by vmware.

also keep an eye on http://kb.vmware.com/kb/1006716

What is VDI ?

admin — Sun, 03 Aug 2008 10:21:53 +0000

VDI – Virtual Desktop Infrastructure is a concept comprised of different solutions or products to acheive a VDI. VDI is a desktop replacement solution that increases security, decreases cost and delivers higher availability for the desktop while continuing to provide end-users with the functionality of a stand-alone desktop.

Companies can run desktops inside virtual machines that are located in a central data center. Users access these desktops remotely from a PC or a thin client over a remote display protocol (e.g. RDP/ICA)

Virtual Desktop Infrastructure is made up of:

Operating System Virtualization – Virtualized operating system layer to provide multiple virtual machines on the same physical hardware.
Remote Display – A device to display the connection
Application Delivery System – Technology to deploy and update applications within the desktop
Connection Broker – A broker that provides the remote display protocol, possibly provides remote access, possibly access to local devices.
Virtual Machine Management – Manages the provisioning/deprovisioning of private or shared virtual machines.

I have finished testing VMware, Leostream, Citrix XenDesktop & SUN VDI. I Will post on these and more here.

Virtualisation

admin — Sun, 20 Jul 2008 11:29:37 +0000

Virtualisation is an abstraction layer that decouples the physical hardware from the OS to deliver greater IT resource utilisation and flexibility.

Virtualisation allows multiple virtual machines, with heterogeneous operating systems to run in isolation, side-by-side on the same physical machine. Each virtual machine has its own set of virtual hardware (e.g., RAM, CPU, NIC, etc.) upon which an operating system and applications are loaded. The operating system sees a consistent, normalized set of hardware regardless of the actual physical hardware components.

Virtual machines are encapsulated into files, making it possible to rapidly save, copy and provision a virtual machine. Full systems (fully configured applications, operating systems, BIOS and virtual hardware) can be moved, within seconds, from one physical server to another for zero-downtime maintenance and continuous workload consolidation.