MySQLTuner

You've probably noticed that the blog has slowed down a bit recently. Part of the slowdown is due to an uptick in work required to get OpenStack Nova and its related software up and running at Rackspace for Cloud Servers and another part of it is a ... [More] severe case of writer's block. I threw out [...]Getting a Technical Job at Rackspace is a post from: Major Hayden's Racker Hacker blog. Thanks for following the blog via the RSS feed. Please don't copy my posts or quote portions of them without attribution. [Less]

I originally wrote this post for the Rackspace Blog but I decided to post it here in case some of my readers might have missed it. Please feel free to leave your comments at the end of the post. Sometimes people talk to me about posts I've written on ... [More] my blog, or posts they wish [...]Why technical people should blog (but don't) is a post from: Major Hayden's Racker Hacker blog. Thanks for following the blog via the RSS feed. Please don't copy my posts or quote portions of them without attribution. [Less]

My quest to get better at Python led me to create a new project on GitHub. It's called mysql-json-bridge and it's ready for you to use. Why do we need a JSON API for MySQL? The real need sprang from a situation I was facing daily at Rackspace. We ... [More] have a lot of production and [...]mysql-json-bridge: a simple JSON API for MySQL is a post from: Major Hayden's Racker Hacker blog. Thanks for following the blog via the RSS feed. Please don't copy my posts or quote portions of them without attribution. [Less]

I found myself stuck in a particularly nasty situation a few weeks ago where I had two git branches with some commits that were mixed up. Some commits destined for a branch called development ended up in master. To make matters worse, development was ... [More] rebased on top of master and the history was obviously mangled. [...]Compare commits between two git branches is a post from: Major Hayden's Racker Hacker blog. Thanks for following the blog via the RSS feed. Please don't copy my posts or quote portions of them without attribution. [Less]

A fellow Racker showed me httpry about five years ago and I've had in my toolbox as a handy way to watch HTTP traffic. I'd used some crazy tcpdump arguments and some bash one-liners to pull out the information I needed but I never could get the live ... [More] look that I really wanted. Here's an [...]New Fedora and EPEL package: httpry is a post from: Major Hayden's Racker Hacker blog. Thanks for following the blog via the RSS feed. Please don't copy my posts or quote portions of them without attribution. [Less]

Getting XenServer installed on some unusual platforms takes a bit of work and the AOpen MP57 is a challenging platform for a XenServer 6.0.2 installation. My MP57 box came with the i57QMx-vP motherboard. If yours came with something else, this post ... [More] may or may not work for you. You'll need the XenServer 6 installation ISO [...]Installing XenServer 6.0.2 on an AOpen MP57 is a post from: Major Hayden's Racker Hacker blog. Thanks for following the blog via the RSS feed. Please don't copy my posts or quote portions of them without attribution. [Less]

I helped welcome the folks on the StartupBus from SXSW as they arrived at Rackspace's headquarters last Friday. Here's a video sampling of the day's events: http://www.youtube.com/watch?v=ZfZPD2DrqkQ Want to participate in quirky stuff like this ... [More] while serving customers and working on the latest technology? Become a Racker. The StartupBus stops at Rackspace is a post [...]The StartupBus stops at Rackspace is a post from: Major Hayden's Racker Hacker blog. Thanks for following the blog via the RSS feed. Please don't copy my posts or quote portions of them without attribution. [Less]

I'm a big fan of Linux tools which allow you to monitor things in great detail. Some of my favorites are strace, the systemtap tools, and sysstat. Finding tools similar to these on a Mac is a little more difficult. There's a great blog post from ... [More] Brendan Gregg's blog that covers a lot of detail [...]Handy hints for using dtrace on the Mac is a post from: Major Hayden's Racker Hacker blog. Thanks for following the blog via the RSS feed. Please don't copy my posts or quote portions of them without attribution. [Less]

I originally wrote this post for the Rackspace Blog but I've posted it here just in case anyone following my blog's feed finds it useful. Feel free to share your feedback! Getting yourself ready for any type of examination is usually a stressful ... [More] experience that involves procrastination and some late nights leading up to the [...]Preparing for Red Hat Exams is a post from: Major Hayden's Racker Hacker blog. Thanks for following the blog via the RSS feed. Please don't copy my posts or quote portions of them without attribution. [Less]

Today marks the fifth year that this blog has existed on the internet. I bought the domain on February 14th, 2007 and tossed together a quick WordPress installation (I can't even remember the version now!) to hold my notes that I was gathering at ... [More] work. At the time, I had recently parted ways with a [...]Five years of rackerhacker.com is a post from: Major Hayden's Racker Hacker blog. Thanks for following the blog via the RSS feed. Please don't copy my posts or quote portions of them without attribution. [Less]