I have been meaning to learn how to use Elasticsearch for quite some time. I had used it in the past in an ELK stack, but never really understood it all too well. Also, it had been a few years sinc...

I have recently acquired several Gen6 HP machines (2 x DL160’s & 1 x DL180). These are pretty old pieces of kit, but are reasonably priced. Not too loud and not too power hungry, so they make p...

The Problem… I was working on the Chef AMI on AWS, there is a problem in that the version of OpenSSL that comes embedded is vulnerable to CVE-2016-2107. Even though this CVE is quite hard to explo...

As per wikipedia, FreeIPA is an open-source project sponsored by Red Hat – which aims to provide an easily managed Identity, Policy, and Audit (IPA) suite primarily targeted towards networks of Lin...

I run my media downloading stack on a Gen 8 HP Microserver. This comes with 2 builtin 1Gbps ports (as well as the dedicated ilo port). As this machine is used for downloading and streaming media, i...

Setting up a VPC with a VPN and routes propagated over BGP was something i had recently tasked myself in work. This is how i made it work. Intro Firstly, i’m not going to go over setting up the V...

I didnt find much concrete information on terminating an AWS VPN on a Centos 6 box, so figured id write it up here, for my own reference as we as others. There isnt an option to download a config ...

Due to issues with my ISP, i wrote a really quick automated speedtest using speedtest-cli which sends the output to graphite. This is is a quick script i knocked up which runs speedtest-cli, parse...

Here is a quick run through on how to encrypt a USB flash drive using Linux Unified Key Setup (LUKS). Here is the LUKS config: [root@localhost jon]# fdisk /dev/sdd > Command (m for help): n &g...

For my new graphing machine (graphite, grafana, collectd) i wanted to be able to view the Apache server-status of a couple of my reverse proxy’s. This is the directive i had to add. It was actuall...