Author Archives: Isaac Zarb

About Isaac Zarb

My professional interests are: Cyber Security, Fin-tech, POS Validation, Blockchain, Internet of Things, Highly available data-centers and cloud computing 
I specialise in Architecture and Design of Cloud Services, Blockchain, Azure, AWS, GCL, Datacenter Virtualisation, Security, and Web Technologies.

I typically manage projects using Agile methodologies such as SCRUM.
 My previous work experience includes architecture in highly scalable and performing CloudServices, Fin-tech and a passion for Security. • Heading IT Teams, Architecture at various sites in Malta and the UK, including Healthcare, iGaming, Banking, Fintech & Manufacturing. • Vast knowledge of virtualization products including cloud computing & Virtual Desktop solutions. • Fluent with various flavours of Linux, Windows, Exchange and SQL products • Seasoned in Networking, Security and Threat Management solutions •. Datacenter and cloud hosting management solutions. • Team and Unit Operations Management, business development and Client Facing experience • Passionate about security being PaloAlto networks evangelist and cyberforce member

Xenserver VM Stuck in shutdown (orange icon)

Sometimes in some scenarios, you encounter a Xen hosted VM that is stuck in a “Pending” state, typically a VM that was stuck with a pending Shutdown task. from XenCenter, the VM is no responsive in a panic state and the Shutdown and Reboot buttons are greyed out. A couple of potential causes for this condition include: 1. a mounted iso from the… Read More »

Citrix Release Xenserver 5.6 Sp2

This latest updates Welcomes a few new feature which we have been waiting for, for quite some time. Such as the introduction of IntelliCache. makes hosted Virtual Desktop Infrastructure deployments more cost-effective by enabling you to use a combination of shared storage and local storage. The load on the storage array is reduced and performance… Read More »

Citrix Release Xendesktop 5 Sp1

The long awaited Service pack for Xendestop 5 has finally arrived. Bringing new features along Licensing enhancements: V 11.9 of  License Server supports user/device licensing, manages license checkout information, and provides information that enables you to check out the least number of licenses.  You can use Desktop Studio to track and manage license usage and… Read More »

Xendesktop 5 Content redirection to Xenapp 6

When Clicking on a link from a local or network share on a Xendesktop 5 image, an error with  cannot access \\client\c$\users\desktop\file.doc This is a problem as you have to manually open the application and then select the file from within the application, making the user experiance quite unfriendly.

Ubuntu 10.04 Template Running on Citrix Xenserver 5.5

It’s been a while since i updated the Templates, here comes our new friend Ubuntu 10.04 and it’s running in Pv mode on Xenserver Yep 🙂 As usual there are a few tweaks that had to be done to the vm for it to work, however this time it is easier then 9.10 If you… Read More »

Xenserver Script to Import and Export Vm from command line

I have created a small script, which enables you to take a backup of a Vm running on Citrix Xenserver and Export it on your local machine, You can also restore an exported vm (IMPORT) to any remote xenserver with this script. I am also working on the functionality to create scheduled tasks (cron jobs)… Read More »

New Look

I Have updated the site with a new look and feel, hope it makes browsing the site easier. 🙂