This is a blog for IT professionals especially VMware architects, developers and administrators by Steve Jin, the author of VMware VI and vSphere SDK, creator of VI Java API open source project (a.k.a. vijava), and DoubleCloud Proxy and serveral other tools. The VI Java API has been widely adopted by the community and used in many products and projects in companies like EMC, Cisco, HP, NetApp, IBM, VMware, etc.

Since its inception, DoubleCloud.org has been ranked as top 50 blog on cloud computing by Cloud Journal, and top 50 must read IT blogs by BizTech Magazine. Please feel free to subscribe to it here. Email subscription is also available here.

Lost VMs or Containers? Too Many Consoles? Too Slow GUI? Time to learn how to "Google" and manage your VMware and clouds in a fast and secure HTML5 App.

Disclaimer: The opinions expressed here are Steve personal ones. The Content here is not read or approved in advance by his employer. This is Steve’s personal blog.


  1. Posted February 2, 2015 at 7:01 am | Permalink

    Hi Steve,

    I just wanted to ask that whether we are going to support vSphere 6.0 features on VI JAVA project. I would like to contribute from sample scripts on new features.

    Your quick response on this would be highly appreciated.

  2. Alex
    Posted March 26, 2015 at 4:27 am | Permalink


    My name is Alex. I am doing online marketing for different brands.

    I was wondering if you might be interested in publishing a guest/sponsored article on your website (doublecloud.org) or writing a product review. Do you allow such options?
    Please let me know your thoughts!

    Thank you for your time.

  3. Posted March 26, 2015 at 11:37 am | Permalink

    Hi Alex, Thanks for the opportunity. I would like to keep the Web site as it is today.


  4. Posted July 10, 2015 at 4:03 am | Permalink


    I am responsible for the Marketing of our website http://www.virtual-server.net
    We would like to promote our offerings through your website by placing a link to our site on your website.
    Please send us details on how you can help us promote our link through your website. It would be great if you give detailed pricing with respect to placement, size and other parameters so that we can arrive at a quick decision.

    Also it would be very helpful for us to know what are the benefits of advertising through your site.


  5. Posted July 10, 2015 at 10:31 am | Permalink

    Thanks Raman,

    Sorry that I don’t have plan for placing ad on the site. You may want to take a look at others’ sites.


  6. Robert
    Posted August 1, 2015 at 5:57 am | Permalink


    Are you currently interested in buying/owning the domain name doublecloud.com so you can redirect it to your website?

    Kind Regards,

    Robert Johnson
    Domain Name Broker

  7. Jamie Li
    Posted October 29, 2015 at 4:44 pm | Permalink

    Hi, Jin,

    I am working on VMWare integration and would like to know if you provide training for the API integration?


    Jamie Li.

  8. Posted October 30, 2015 at 10:44 am | Permalink

    Hi Jamie,
    We do have private training. I will email you with details.

  9. Posted November 10, 2015 at 10:03 am | Permalink

    I would love the chance to purchase some advertising space on doublecloud.org
    . I have a few clients that I think would be a great fit for your niche.
    Please let me know if this is something you’d like to hear more about and we can take it from there.

    Thanks for your time.

  10. Posted January 4, 2016 at 5:40 am | Permalink

    My name is Robert and I’m marketing specialist from Eltima Software. I would like to know, if you’re interested in publishing a sponsored article on your website (doublecloud.org) or writing a product review. We just released new version of our revolutionary software solution FlexiHub and it would be great if you agree to cooperate about this subject.

  11. Posted January 4, 2016 at 8:34 pm | Permalink

    Hi Robert, thanks for your interest. We don’t publish sponsored articles. Good luck with your product.


  12. Posted January 16, 2016 at 12:59 pm | Permalink

    Hi Steve,

    I run a cyber training company and we are hitting some roadblocks developing the API in PHP for vSphere. We are looking for a consultant to bounce ideas off of around the development of our API. Would you or someone you know be interested in helping out?


  13. Posted January 18, 2016 at 1:15 pm | Permalink

    Thanks for reaching out Jim, will send you an email for more discussion.


  14. Lam
    Posted March 3, 2016 at 10:38 am | Permalink

    Hi Steve,
    I have setup the vSearch appliance, but I can’t find anywhere the default username and password, would you please help getting them ?

  15. Posted March 3, 2016 at 12:31 pm | Permalink

    Thanks Lam, could you send me an email from your business account to steve AT doublecloud.org. Thanks!

  16. Posted June 22, 2016 at 2:14 am | Permalink

    Hello Steve,

    My name is Kevin Patel, and I work for Xangati as Service Assurance Technology Analyst. I serve as a technical resource and ensure proper operations about network architecture, planning, implementation, maintenance and problem resolution for all data resources within Xangati.

    I found your website I was looking for top VMware certified professionals.

    We at Xangati will appreciate it if you can spare your time and share your valuable feedback about Xangati’s technology and products on your blog with your readers. We have helped many virtualization and cloud infrastructure systems administrators worldwide and are recognized as the leader in virtualized workload performance management.

    Here are more details:

    Company: Xangati
    Website: http://www.xangati.com
    Product Features: http://www.xangati.com/products-features/
    Product technology:http://www.xangati.com/products-technology/
    Some clients we have worked for: http://www.xangati.com/success-stories/

    Let me know what are your recommendations regarding Xangati’s solutions. I look forward to hearing from you.

    Good day

    Kevin Patel| Xangati

  17. clove
    Posted July 25, 2016 at 1:55 pm | Permalink

    how to open powershell as admin in guest os?

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    My company has created products like vSearch ("Super vCenter"), vijavaNG APIs, EAM APIs, ICE tool. We also help clients with virtualization and cloud computing on customized development, training. Should you, or someone you know, need these products and services, please feel free to contact me: steve __AT__ doublecloud.org.

    Me: Steve Jin, VMware vExpert who authored the VMware VI and vSphere SDK by Prentice Hall, and created the de factor open source vSphere Java API while working at VMware engineering. Companies like Cisco, EMC, NetApp, HP, Dell, VMware, are among the users of the API and other tools I developed for their products, internal IT orchestration, and test automation.