Amazon ELB – monitoring packet count and byte size with Amazon Cloudwatch and VPC flow logs
We recently exceeded the capacity for one of our Amazon ELBs in a 60 second period. One of the points of our debrief was to monitor the network from the...
SSL – Amazon ELB Certificates
I always forget the order to concatenate SSL certificates and to upload to Amazon ELBs as well as commands to verify SSL certificates. Extract dates from certificate echo |...
Automatically update Amazon ELB SSL Negotiation Policies
A quick script to update Amazon ELB SSL Negotiation policies for all Amazon ELBs. The security policies are managed from Amazon and will only update the predefined security policies,...
Amazon Opsworks – Dependent on Monit
I recently converted a number Amazon Opsworks instances to be time based, so that they shut down at the end of the working day. After doing so, I kept...
Awk craziness: Processing log files
A while back I wrote an awk script to process a custom log file to work out how an application was performing over a period of time. The following...
Elastic Search Presentation
I’ve implemented a number of sites with Elastic Search and recently had a two-day spike to implement Elastic Search for Photobox’s backoffice systems. As a result I have since...
Requests per second from Apache logs
Whilst recently looking into usage of SSL, I needed to analyse some logs from apache to determine requests per second. Initially I wrote a quick bash script to do...
Hackday @ Everlution
At Everlution we did a hack day to help motivate developers and to get the team working together. We started at and finished at 5pm. It was pretty...
apt-get unattended / non-interactive installation
I previously wrote about “Installing Java & MySQL – unattended/non-interactive installation”. Whilst using slack, I have been running apt-get during postinstall rather than preinstall. Files are transferred from slack...
PHP apache_note, Graphite & Logster for logging
A nice tip for logging data against apache logs within requests. Apache_note is a wrapper for Apache’s table_get and table_set. It edits the table of notes that exists during...