A better way to work with RabbitMQ and NodeJS

Summary

In many scenarios as we move towards a more decoupled app architecture using micro-services, most tend to work over some form of messaging bus. 
This case is no other, here we shall take a look at how to get NodeJs to…

Increasing limits for socket descriptors on Ubuntu for RabbitMQ

We recently ran into some issue regarding the number of open connections on one of our RabbitMQ servers, the number of socket connections was totally exhausted, and this prevented new clients from connecting to the…

Web browsing over SSH tunnel

There are times when you would need to apply this technique be it if you are trying to escape some draconian rules of your network admin or for testing your site from a different location to the desire of browsing anonymously. 
 
In my case the need arose when I had to test some…

Setting up Ghost Blog, MySQL and Nginx using Docker containers

What is docker and how it differs from Virtual machines you might ask yourself.

Docker is a container technology, it’s much more light weight than VMs and it allows us to package the software and…

Configuring RabbitMQ Cluster on AWS

Most of the time your message broker will be a backbone of your application, having a single point of failure here will defeat the whole purpose of having built redundancy in other layers of your app.

Setting up your Data Science environment using docker and python 3

Download a docker image that has most of the tools that you will need preinstalled.
My personal favourite is dataquestio/python3-starter

Setting up Sinopsia a private npm repository on AWS

Npm has given us the possibility to share package easily, but sometimes not all the stuff is meant to be open source or shared with the world, for example if this is the code that runs your SAAS, or you want to achieve faster build times by…

Making AWS EBS volumes available for use on Linux

So you have created your new shiny EBS Volume and you have clicked attach to a running instance on your AWS console. 
The next logical step is to make it available to the system so that you can store some data on it.

Tmux in a nutshell a quick tutorial

I had been a fan of screen for a while now, recently i discovered an alternative that allows you to do basically the same but in a much more elegant way.

Tmux is a [terminal multiplexer](https://tmux.github.io/)

Clearing DNS Cache from Mac OS X El Capitan

To clear your DNS cache you can run the following command, this will force browser and other programs to make a new DNS query and fetch fresh records.

```
sudo dscacheutil -flushcache
```