Cloud Computing

Cloud Computing today is a trend. Popular cloud computing are Amazon Web Services (AWS), Microsoft Azure, IBM Cloud, ... 

Cloud Computing like a private Local Area Network (LAN) on the internet. For most business, Cloud Computing is a cost effective. Instead of spend thousand dollars or more per month, they spend less. Instead of maintain a group of Information Technology (IT) professional, they may need only one. They don't need much of network engineer, network administrator.

So, first they are outsource software development. Then, outsource IT help desk. Now, companies outsource the IT infrastructure. 

The questions is:

1. In which scenarios, moving to Cloud Computing is cost saving?
2. How about security, privacy?

The Pencil Analogy

This article written by Brad Wallace posted on SQL Server Central on Aug. 18, 2011. It was a great editorial. After reading, I wondered who is at fault? The CEO or the contractor.

"The Pencil Analogy" reminded me of my own painful experience almost 25 years ago. As the requirements kept changing, little by little, I ended up working for nothing. I did not make enough money to keep my roof over my head. I closed my first startup business and went to work for others.

How to install thinkorswim Software in Ubuntu 11.04

1. Make sure you have Sun Java Runtime Environment (JRE) or Sun Java Development Kit installed on your machine. If not, using Ubuntu Software Center, search for sun java, to install sun-java6-jre or sun-java6-jdk
2. Download thinkorswim_other_installer.sh
3. Change the thinkorswim_other_installer.sh to execute mode
4. Install to your home folder /home/username/opt/thinkTDA