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Tag archive for: Oracle Java 8

How I setup Jenkins on my Raspberry Pi 3 with Raspbian Stretch Lite

Jenkins is a renowned open source automation server that can help offload programmers from performing repetitive tasks like:

  • running unit tests to make sure new code does not break existing codes.
  • compiling and packaging the binaries from codes and dependencies.
  • deploying new binaries to testing servers.
  • checking whether production server is up and running.
  • and etc.

If you have a Raspberry Pi 3 and you want to automate some of the tasks for your side projects, you may want to consider setting up Jenkins on your Raspberry Pi 3 with Raspbian Stretch Lite as the operating system.

This post documents how I setup Jenkins on my Raspberry Pi 3 with Raspbian Stretch Lite.

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How I make my Java programs run faster on my Raspberry Pi 3

When my first attempt to install GitBucket on my Raspberry Pi 3 highlighted to me that it was the JVM that caused GitBucket to have sluggish performance, I did not invest more time to improve the performance of the JVM that I had installed on my Raspberry Pi 3. Instead, I went on to install Go Git Service on my Raspberry Pi 3 to act as the Git server to manage the source codes of my hobby projects.

However, I just couldn’t get over my belief that Java programs would perform badly on my Raspberry Pi 3; after all Java was the first programming language that I learnt and I often use it to build software at work. Furthermore, with an Ubuntu Server 15.10.3 setup on my Raspberry Pi 3, I could use my Raspberry Pi 3 as an integration server for my Java hobby projects and be pretty sure that if my Java hobby projects run on my Raspberry Pi 3, they will most probably run on a Ubuntu Server 15.10.3 DigitalOcean droplet as well.

After spending some time researching the topic, I did manage to make my Java programs run around 10 times faster on my Raspberry Pi 3. This post documents the steps that I went through to speed up my Java programs on my Raspberry Pi 3.