Archive

Archive for May, 2014

Which Process Holds My File? Tools on Linux and Windows

May 28th, 2014 3 comments

Once in a while, I got into issues that my build failed because the IDE could not clean certain folder or file. The root cause was that they were opened by another application/process. If the application is known, just closed it and the build worked well. Some times I had no clue which application held the file. To find out quickly without guessing, right tools are needed.

On Linux, it’s quite easy with a command called lsof as follows:

Categories: Applications & Tools Tags: ,

A Hidden Gem VMware Should Invest More For Its Long Term

May 21st, 2014 4 comments

For a long time, VMware wanted to grow upward the stack but did not work out well. Instead, it took the horizontal strategy as I discussed in my blog article two years ago. So far, the new strategy has worked well.

Categories: Uncategorized Tags:

Cisco UCS Director: Key Concepts Illustrated In Big Pictures

May 12th, 2014 2 comments

During the last few months, I worked a lot with Cisco UCS Director on daily basis. As I wrote before, UCS Director is a powerful platform for you to manage and orchestrate infrastructures from VMware, Hyper-V, KVM, to the public clouds like Amazon, Azure.

Just like any other management platform, it abstracts the underlying infrastructure and operations using its own concepts and workflows. By exploring its Flex GUI, one can gradually get familiar with these concepts. It takes time to master a product, and no exception for UCS Director. Understanding key concepts and their relationships can help speed up the process significantly.

Categories: Cloud Computing Tags: , , ,

Java 8 New Features: JavaFX

May 4th, 2014 2 comments

The JavaFX is not really a new feature, but it’s the first time for it to make into a major Java release. JavaFX has a pretty long history as the next big thing for building cross platform GUI applications. Initially it has its own scripting language and hasn’t made its way in the Java community. The reason is simple: although the JavaFX has richer features on graphics, it does not seem worth learning a new language for it. For a long time, I was wonder why Sun didn’t use the investment to improve its Swing library which has much bigger audience than JavaFX.

Categories: Software Development Tags: , ,