HowTo: Updating the LiniTX Controller and Unifi Software

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The LinITX embedded controller has proven popular since its launch with many units sold. All feedback has been taken on board and alterations have been made to the embedded OS and configuration to make the controller as easy to use as possible. All new controllers purchased in 2015 will include Webmin as standard which will provide a web Gui interface to the OS settings. The controller now includes automatic tasks, the most important of which automatically reboots the controller daily at midnight which frees up resources and reduces problems with Java.
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HowTo: MikroTik Secure VPN Part 1 MikroTik to MikroTik

This is part 1 of a VPN HowTo to aid in the set up of secure VPN services on Mikrotik Devices, in part 1 I will focus on basic set-up and MikroTik to MikroTik secure VPN. Part 1.5 can be found here which focuses on Mikrotik to Mikrotik IPsec VPN. Part 2 will focus on setting up a secure VPN with IPSec to a MikroTik from a mobile IOS or Android and a computer with Windows/OSX/Ubuntu based operating systems.
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HowTo: Control privacy addressing for IPv6 in Linux

It seems that some people didn’t like their MAC address being magically used as part of their IPv6 address, and so some bright spark created the concept of privacy addresses – see RFC3041

However sometimes we need to be able to control the behaviour, sometimes we want to enable them and sometimes we want to disable them.

Under Linux we can do this by altering values in sysctl, these are documented in ip-sysctl.txt
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Fixing slow laptop wifi on linux

I’ve got a nice shiny Samsung Series 7 laptop with Broadcom based 802.11n wifi in it. I’m using xubuntu on it and it was working very well, but every so often I noticed that the wireless connection was running very slowly.

Eventually I realised it was only happening when it was running on battery.

I delved into the power settings and found that the wireless card was being put into a power saving mode. After a lot of searching I found out how to turn this off.
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