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Home / Posts tagged systems architecture
Remove puppet node license

Remove puppet node license

If you are using Puppet Enterprise, you are limited to 10 nodes before you have to start paying for each node you provision. When you terminate a puppet node, …

April 9, 2014 | Puppet | 0 Comments
admin-ajax.php high CPU problem solved

admin-ajax.php high CPU problem solved

I have to admit I am obsessed with web performance, and I spend a lot of time analysing server-side performance graphs. Recently I noticed a significant spike …

December 19, 2013 | WordPress | 24 Comments
Check status code from a URL in Bash

Check status code from a URL in Bash

Bash Status Code The following script is for my own reference. It’s a simple script that pings a URL and looks for a bash status code of 200. If the …

August 20, 2013 | Bash | 0 Comments
Scaling WordPress in Amazon Cloud

Scaling WordPress in Amazon Cloud

Scaling WordPress is something I’ve been studying for a long time. By nature, WordPress isn’t designed to run on multiple servers unless you do …

August 7, 2013 | AWS, WordPress | 24 Comments
How to install latest Nginx on Ubuntu

How to install latest Nginx on Ubuntu

Ubuntu doesn’t always keep up with the latest stable releases of Nginx. To install latest Nginx on Ubuntu I normally follow these steps: Step 1 Add …

May 16, 2013 | Nginx | 0 Comments
Nginx htpasswd – how to generate one

Nginx htpasswd – how to generate one

Every time I want to generate Nginx htpasswd I forget how to do it. This is just for my reference so I don’t have to search for a solution on the …

April 19, 2013 | Nginx | 0 Comments
Mysql-bin files too large – solved

Mysql-bin files too large – solved

Newrelic is an application monitoring tool that truly is developer’s best friend. It’s such a true statement.  I’ve used Newrelic to …

April 7, 2013 | MySQL | 0 Comments
WordPress Nginx and APC Configuration

WordPress Nginx and APC Configuration

I’ve been working with Nginx web server for a while now. I have to say it’s an impressive web server that performs really well on high traffic …

March 31, 2013 | Nginx | 0 Comments
Delete Revisions in WordPress – HOWTO

Delete Revisions in WordPress – HOWTO

When you write articles in WordPress, your revisions will periodically get saved in the database. This is a useful feature, however, each revision that is …

March 9, 2013 | WordPress | 7 Comments
Basic Auto Scaling configuration on AWS

Basic Auto Scaling configuration on AWS

Auto Scaling The following configuration allows me to sleep at night. It ensures that at least one EC2 instance will be running at any one time.  The Auto …

July 2, 2012 | AWS | 0 Comments
Create AMI image of an EC2 instance store volume

Create AMI image of an EC2 instance store volume

For my reference, these are the steps involved to create an AMI image backup of an Instance Store EC2 volume. 1. Install AMI tools. Might need to uncomment …

June 21, 2012 | AWS | 1 Comment

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