Archive

Archive for October, 2015

VMware ovftool as Development Tool: Good and Bad Parts

October 30th, 2015 No comments

If you want to export a virtual appliance for internal deployment, it’s quite easy. The vSphere Web Client or ovftool command line can take care of this easily. But it’s a different story to build a virtual appliance based software product, which should not only make it work, but also include product information.

Here are some information I learned and decisions I made from packaging an OVF product recently. Hope it would be useful for you. You can also check another post on how to compact the virtual disk for smallest OVA or VMDK.

Big Data to Tomcat Behind Nginx

October 5th, 2015 2 comments

In a Web application I created, I need to upload some data to a Java Servlet for further processing. I wish JavaScript could be more powerful so that I can process everything in the front end, but I could not find a good JavaScript library for the job.

Everything works well until some big changes got in – it stopped working sometimes and the pattern is not quite consistent. Initially I thought it was because of long time processing at the server side.