Category: Computers

Dec 02

New page – converting PWM hubs to voltage controlled

New guide up – right here. My Xen servers main board didn’t have a second PWM controlled fan header to use with a PWM fan hub for the 3 case fans. Its a 4RU case – which has server grade 140mm fans that can draw up to 0.9A each and get up to around 3600 …

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Jul 29

Enabling BBR Congestion-Based Congestion Control on kernel-xen

With the release of kernel-xen version 4.9.40, I have enabled CONFIG_TCP_CONG_BBR. This adds support for using BBR to improve the throughput from your servers (mostly web servers) to your clients. If you run my kernel-xen package on your Xen guests, you can also take advantage of this new feature. To enable, ensure you are running …

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Jun 21

Talkback on the NBN in 2017

Recently on The Conversation Hour with Jon Faine, they discussed the NBN, its progress, and if its living up to what was promised. 53 minutes of audio included below for your listening pleasure. Your browser does not support the audio element.

Mar 19

Staying safe online – is it even possible?

So every once in a while, you come across something in IT Security that just makes you want to cry. Usually, these are chained exploits that when executed properly have devastating effects. Take the latest Pwn2Own competition. One of the successful hacks there was epic. And scary. In a nutshell, an ‘Edge’ browser exploit to …

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Mar 13

Why working in aviation was so cool

The company I used to work for took part in the Avalon International Airshow lately – showing off their Learjet 45. Less words, more video 🙂 Onboard Camera: Outside view of the high-speed pass: The landing back at Avalon:

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