This guide should help you deploy Zimbra ZCS 7.1.3_GA on an Ubuntu 10.04 instance with Amazon EC2. Prerequisites 1) Ensure you have set up Amazon EC2 CLI scripts … Download tools from here http://aws.amazon.com/developertools/351 Generate certificates in the security credentials section of AWS control panel Set up environment variables in your .bash_profile (using your key paths, [...]
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Learning RouterOS
We’ve recently purchased a RouterBoard 1000 which we will be using as a VPN server in our office. The documentation is a little complicated for RouterOS novices, so I’ve put this post together to collate some useful tips and instructions. Finding out the MAC Address of an interface / How to show a mac address [...]
Java based Traceroute to diagnose connectivity problems
If you are having difficulty getting to a particular website, but other websites are working fine then the best way to diagnose the problem is to use a tool called “traceroute”. This tool exists as a command line program on Windows, Linux and Mac’s but for the average user they may find that a bit [...]
Howto: Setup CloudFront as a Content Delivery Network
It’s actually incredibly easy to begin using a Content Delivery Network (CDN) such as Amazon’s new CloudFront service, and in this post I’m going to show you how. Background So what is a CDN and why use one? Well CDNs are essentially a global network of file servers that work together to serve static content [...]
iPhone on O2′s Simplicity Tariffs – £25 a month
My brother has just given our dad his old 2G iphone after upgrading to the 3G one. Initially I thought he would have to pay £35 a month for the iPhone tariff, but it turns out that you can use the old iPhones with any o2 tariff. There are a number of sim-only Simplicity tariffs, [...]
OS X Internet Connection Sharing
Creating a wireless ad-hoc network on a MacBook Just another reason why I love my Macbook: We arrived at a new Hotel today, and although both Aimi and I needed to use the Internet, there was only one network port. I wondered how difficult it would be to share my Internet Connection with her via [...]
02 / Be enables my local exchange
I’ve been on their waiting list for over a year, and it’s too late for me as I’ve moved house now, but today Be e-mailed me to inform me that they had enabled my local Farnborough exchange for their service. This means Farnborough residents can now get up to 24Mbps downloads and 2.5mbps uploads using [...]
Virgin Media 20 Meg Speed Test
I have to say that I’m pretty happy with my Virgin Media broadband connection. It’s been very stable since it was installed about 5 months ago, and the download speed is fantastic for large files (see below). There is however one problem, and that is latency. 64 bytes from linx1.thn.fubra.net (195.66.225.33): icmp_seq=130 ttl=53 time=19.8 ms [...]
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