Technical Insights

Cassandra FAQ: Can I start with a Single Node?

A frequently asked question on the mailing list by developers new to Cassandra is if it’s possible to start with a single node and scale up as their needs grow. This seems to come most often …

Setting up a Wireless Access Point with Ubuntu Raring Ringtail

I’ve finally gotten sick of having a terrible wireless signal in my room, and I have a server in my office (hard wired via gigabit) so I figured I’d set it up as a wireless access point. …

What's new in cqlengine 0.7

Recently we released version 0.7 of cqlengine, the Python object mapper for CQL3. We’ve been steadily moving towards full support of all of CQL3 for both queries and for table configuration. …

Creating AWS Cloudwatch Alarms Using Boto

In this post I’ll walk through the process of setting up cloudwatch alarms programatically in Python through Boto. We’ll be setting up a single alarm for a metric StatusCheckFailed, but …

I've Moved to Pelican

As of Sunday, August 25, rustyrazorblade is now powered by pelican. So far, no complaints.

It was easy to get started. Installed through pip into a virtualenv and up and running in just a few …

Advanced Devops with Vagrant and LXC

This post was originally published on the SHIFT developer blog.

Creating and testing new databases that require clustering can be a pain point when trying to do everything on a local machine. …

Cassandra, CQL3, and Time Series Data with timeuuid

Cassandra is a BigTable inspired database created at Facebook. It was open sourced several years ago and is now an Apache project.

In cassandra, a row can be very wide and is identified by a key. …

Setting up RAID0 in Ubuntu 12.04 in AWS High I/O

Amazon announced high I/O instances today. This is huge for anyone with a database larger than available memory, as it’s been a complete nightmare dealing with EBS up till now. Now your …

Vim: Use !make: to avoid auto jumping to files

I get annoyed when vim jumps to another file when using :make. To disable it, just add ! to the end,

:make!