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Posted 10 Mar 2014

Creating Your Own #nodejs Development Server with a #raspberrypi Running #jenkins

, 10 Mar 2014
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How to create your own #nodejs development server with a #raspberrypi running #jenkins

At home, I almost only develop nodejs code and because of that, I've been using grunt to run jshint, mocha, ... on my modules.

Because I'm always creating new projects and experiments, I've a dedicated raspberry pi model b for development purposes. Until now, that raspberry had support to:

This infrastructure is nice, but I needed a CI server to test every push request. My previous experience installing Jenkins on a raspberry was not very positive, but I decided to give it another try.

Some of the most important installation steps are described below:

I installed jenkins using:

sudo apt-get install jenkins jenkins-common

Then I updated the jenkins.war to the latest stable version.


To run jenkins, you need to increase the system tmpfs values:

> sudo vim /etc/default/tmpfs

TMP_SIZE=1073741824 #1gb
RUN_SIZE=157286400 #150mb

Then configure Jenkins to use oracle arm java version:

> sudo vim /etc/default/jenkins


I've also enabled swap and configured a jenkins user on the machine.


Jenkins initialization may take a couple of minutes the first time it is executed.


With this configuration, I got a build machine to keep track of my changes to the code. Jenkins is not very fast but it's usable.

Some figures of the machine resources with jenkins running follows:

> free -mh

             total       used       free     shared    buffers     cached
Mem:          485M       372M       112M         0B        20M       190M
-/+ buffers/cache:       161M       323M
Swap:         1.0G         0B       1.0G

> df -h
Filesystem      Size  Used Avail Use% Mounted on
tmpfs           150M   69M   82M  46% /run
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           302M     0  302M   0% /run/shm

I hope this has given you some idea on how to build a low voltage server for your home development.



This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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