MCB Guru

Speaking at CommunityOne West

Sorry for the (relatively) short notice, but I will be talking at Sun’s CommunityOne conference in San Francisco on June 1st. I’ll be talking about, and demonstrating, the DTrace probes we have put into MySQL in a joint presentation with Robert Lo…

ZFS Replication for MySQL data

At the European Customer Conference a couple of weeks back, one of the topics was the use of DRBD. DRBD is a kernel-based block device that replicates the data blocks of a device from one machine to another. The documentation I developed for that …

Podcast Producer Variables

The first of a new series of articles on using and extending the functionality of Apple’s Podcast Producer has just been published (see Podcast Producer: Anatomy of a Workflow). One of the things that you might find useful when working with Workfl…

MySQL and DBD::mysql on Mac OS X

I’ve been investigating some recent issues with installations of MySQL on Mac OS X and the Perl DBD::mysql module for accessing MySQL from within Perl through DBI. The problem exists only with binary distributions of MySQL and is related to the in…

Setting a remote key through ssh

One of the steps I find myself doing a lot is distributing round an ssh key so that I can login and use different machines automatically. To help in that process I created a small function in my bash profile script (acutally for me it’s in .bash_a…

Geekbench results for iMac 24

I’ve just completed running Geekbench results for my 24″ iMac (3GB, Intel T7600, 2.33GHz) and the Sun Ultra 20M2 I have on test (4GB, AMD Opteron 1200 2.8GHz). The overall rates are interesting: iMac: 246* U20M2: 273.5* The U20M2 is slightly faste…

Controlling OS X volume through Cron

One of the biggest annoyances of working from home is that with the computers in the room next door, the volume of your computers can cause a problem if someone suddenly calls you on Skype, or your backup software suddenly kicks in and starts beep…