Tag Archives: linux

First thoughts and tips on EL 7

Generally one RHEL/CentOS/Scientific Linux (aka EL) release isn’t radically different to another, however the introduction of EL 7 is a bit of a shake up, introducing systemd, which means new init system, new ways of reading logs plus dropping some … Continue reading

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Installing EL7 onto EL5 Xen hosts

With RedHat recently releasing RHEL 7 (and CentOS promptly getting their rebuild out the door shortly after), I decided to take the opportunity to start upgrading some of my ageing RHEL/CentOS (EL) systems. My personal co-location server is a trusty … Continue reading

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Funny tasting Squid Resolver

Squid is a very popular (and time tested) proxy server, it’s generally the go-to solution for a  proxy server in a *nix environment and is capable of providing general caching proxy services (including transparent) as well as more sophisticated reverse … Continue reading

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Thunderbolt and other Macbook hardware issues with Linux

Having semi-recently switched to a Macbook Pro Retina 15″ at work, I decided to give MacOS a go. It’s been interesting, it’s not too bad an operating system and whilst it is something I could use on an ongoing basis, … Continue reading

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There are no seasons in the datacenter

I always like reviewing the Munin temperature graphs between my co-located server and my home server, the temperature range fluctuations in non-air conditioned rooms is always quite interesting – as much as 25 degrees Celsius over the course of the … Continue reading

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The awesome tablet money can’t buy

Most people working in technology and have heard of and formulated some opinion about the Microsoft Surface tablet, now in it’s second generation of hardware. For some it’s a poor attempt to compete with the iPad, for others it’s the … Continue reading

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Jethro does Mac: Retina Display

With a change in job, I recently shifted from my primary work computer being a Lenovo X1 Carbon running GNU/Linux to using an Apple Macbook Pro Retina 15″ running MacOS. It’s not the first time that I’ve used MacOS as … Continue reading

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Fedora x86_64 installer hanging on KVM hosts

Had an annoying problem today where a Fedora x86_64 guest wouldn’t install on my CentOS KVM server. Weirdly the i386 version had installed perfectly, but the x86_64 version would repeatedly crash and chew up heaps of CPU at the software … Continue reading

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linux.conf.au 2014

I’ve just returned from my annual pilgrimage to linux.conf.au, which was held in Perth this year. It’s the first time I’ve been over to West Australia, it’s a whole 5 hour flight from Sydney –  longer than it takes to … Continue reading

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Encrypting disk on Android 4

Traditional computer operating systems have been around for a while, long enough that concerns around physical security have been well addressed. We understand the value and power that the information on our computers can provide to an attacker, so we … Continue reading

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