Recent tutorials

Poor Man’s Nomad Cluster in Amazon Web Services

Posted on Mar 12th, 2020

Build a Nomad Cluster in AWS for $40 and over-engineer it to perfection.

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Cloud Hosting (VPS) Provider Performance Comparison

Posted on Dec 10th, 2013

A performance comparison of a few major virtual server providers (Amazon, Rackspace, Softlayer and DigitalOcean) as it relates to hosting of WordPress and other PHP based websites.

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Skinnybox Introduction: Thin Provisioning of Linux VMs

Posted on Mar 10th, 2013

A technique for file system level thin provisioning of virtual machines implemented with XenServer. A master operating system disk image is shared across multiple VMs.

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Fix: The attempt to mark the VDI as hidden failed

Posted on Dec 12th, 2012

VDI delete command will fail with an error message "The attempt to mark the VDI as hidden failed". This is usually a result of corrupt metadata associated with the VDI.

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Recent ideas

Scan Barcode to Reorder

Posted on Mar 20th, 2012

Often we find ourselves in situations where something that we use is running out. It could be deodorant, toothpaste or just about anything else that…

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iPhone Dock for Jukeboxes

Posted on Mar 20th, 2012

If you've ever searched through a jukebox with thousands of songs, you know that it's akin to finding a needle in a haystack. We all have our…

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