Creating your own #nodejs development server with a #raspberrypi running #jenkins

Oscar Brito

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 project 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 bellow:

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

TMPSIZE=1073741824 #1gb
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 initialisation may take a couple of minutes on the first time is executed.


With this configuration I got a build machine to keep tracking 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.


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