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, …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …