Setting JVM Proxy Variables

Setting JVM Proxy Variables This would not typically warrant a blog post. However, I just spent days resolving it, and I wish I had found the solution earlier. I’m putting this out there for you, just in case you’re being whipped around by this problem. The JDK responds to several system environment variables to control… Read More »

Adding a Server to Your AWS VPC

In a previous blog, I described how to start with AWS Cloudformation by creating a simple network with a vpc and a subnet. This time I’ll finish up basic Cloudformation by showing how to add a couple security groups and a server. Creating Security Groups Security groups define what ports and addresses that your servers… Read More »

A Little Java Character History

The Java language has supported Unicode from its beginning. In those early days, the Unicode character set defined characters with integer values in the range 0x0000 through 0xFFFF. That’s 65,536 possible character values in the full Unicode set. Java’s char type was defined to represent a single character in that range. However, Unicode changed. It… Read More »

Starting with Amazon Web Services

I recently began working with Amazon Web Services (AWS). AWS truly is an amazing set of services that allow you to create scalable, durable applications in the cloud. AWS provides a powerful set of capabilities to create, deploy, and manage cloud resources with a convenient command line interface (CLI) and a browser console. Over the… Read More »

Category: AWS

Headless Raspberry Pi

Although my very first experience with the Raspberry Pi was less than impressive, my subsequent encounter proved fruitful. After following a youtube tutorial, I learned that my initial 8GB micro SD card had NOOBS installed. While it is intended for noobies maybe, I guess my use-case was sufficiently off-track to derail my noob attempt. I… Read More »

First Experience With Raspberry Pi

Today my wife presented me with a Raspberry Pi Cana Kit. Out of the box, I have: the Pi itself a power adapter an HDMI cable a micro-sd card a Wifi adapter It doesn’t have a keyboard or display of course. I figured the SD card had the OS on it, so I inserted the… Read More »