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Platform Performance Gains with Arista Switches
In late 2012 I wrote about the migration of our [DataSift.com's] Hadoop cluster to Arista switches but what I didn’t mention was that we also moved our real time systems over to Arista too. Within the...
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Introducing ColdStart.io – SNMP Traps to Android phones in ~500ms
At a certain point in the growth of the DataSift platform our network stopped being something that was silently working away in the background whilst we concentrated on higher level problems. Soon...
View ArticleA Brief Look At Some DataSift Platform Automation Elements
In the DataSift Operations team we try to automate as much as possible to leave us with more time for concentrating on more important tasks. I’d like to share some of the interesting snippets from our...
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Reducing MTTR and costs with Android and Zenoss
How much time and money does your Operations team spend on ensuring that you receive notifications from Zenoss? The usual options are SMS or Email, whilst SMS provides rapid delivery it costs money....
View ArticleImproving SSH Security with Yubikeys
I’ve been moving anything I can over to YubiKeys but I’m still wary that there is no silver bullet, to this end I’ve been slowly moving my servers over to a dual Public Key Authentication with YubiKey...
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Blocked.org.uk Launches
As mentioned on my Open Rights Group blog page I became involved with the Open Rights Group in the closing months of 2013 after it became apparent that unleashing the Bowdlerize project without a...
View ArticleIP Addresses and Identity
The Guardian published a story yesterday reporting that Theresa May is planning on re-introducing an element of the Snoopers Charter on Wednesday to force ISPs to retain subscriber and IP information....
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A Sneak Peek At A Part Of The Reading CCTV Infrastructure
I was walking home from the Train Station last night and noticed that someone had busted open one of the ubiqitous BT ‘green boxes’ nearby. Hoping to get a look at some fancy FTTC/FTTP gear I took some...
View ArticleUsing Tor Hidden Services and GPG to Create Difficult to Attack Offsite Backups
Backups are very useful and in the event of fire or theft it is very useful to have them offsite, however offsite backups leave your data at risk of compromise if the offsite storage is attacked. To...
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OpenBSD 5.7 – CD2 Issues
On Friday I was very excited to find that my order of OpenBSD 5.7 had arrived. How's that for timing! The 5.7 version of @OpenBSD just arrived at my desk. pic.twitter.com/gO1L8kby1c — Gareth Llewellyn...
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